Buying Water Heaters in 2023? Know Everything about Water Heaters/Geysers

Buying water heaters in 2023 require careful consideration of various factors to ensure that you choose the right type, size, and features that best meet your household’s hot water needs and energy efficiency goals. Let’s delve into everything you need to know about water heaters (geysers) to make an informed purchase decision in 2023.

What is a Water Heater Exactly?


A water heater is a household appliance designed to heat water for various domestic purposes, such as bathing, cooking, cleaning, and space heating. It ensures that hot water is readily available whenever needed, making everyday tasks more convenient and comfortable. Water heaters come in various types, including storage water heaters (commonly known as tank water heaters), tankless water heaters (also called on-demand water heaters), solar water heaters, and heat pump water heaters. Each type operates differently to provide hot water efficiently based on the user’s requirements and preferences.

In a storage water heater, water is heated and stored in a tank until it’s needed, while a tankless water heater heats water instantly as it flows through the unit. Solar water heaters utilize solar energy to heat water through solar collectors, while heat pump water heaters extract heat from the air or ground to warm the water. Water heaters are a vital component of modern households, improving quality of life by ensuring a constant supply of hot water for various everyday tasks.

The Significance of Water Heaters in Modern Households

In the tapestry of modern living, few conveniences have woven themselves as seamlessly into our daily routines as water heaters. These unassuming appliances have transformed the way we experience comfort and convenience, making them an essential fixture in the modern household. From invigorating morning showers to hygienic dishwashing, the importance of water heaters cannot be understated. Let’s delve into the various dimensions that highlight the significance of water heaters in today’s homes.

  1. Comfortable Living Gone are the days when a bracing cold water shower was the norm. Water heaters have ushered in an era of comfort, enabling us to enjoy warm showers regardless of weather conditions. This comfort extends beyond personal hygiene, contributing to an overall sense of well-being and relaxation.
  2. Enhanced Hygiene Water heaters play a pivotal role in maintaining impeccable hygiene standards. Hot water is essential for effectively cleaning dishes, utensils, and clothes. The elevated temperature aids in disinfection, ensuring that germs and bacteria are effectively neutralized, leading to a healthier living environment.
  3. Energy Efficiency Modern water heaters are designed with energy efficiency in mind. With features such as programmable timers, energy-saving modes, and smart technology integration, they minimize energy wastage and reduce utility bills, aligning with the growing focus on sustainable living.
  4. Time-Saving Convenience In our fast-paced lives, time is a precious commodity. Water heaters eliminate the need to heat water manually, saving valuable minutes each day. Instant water heaters, in particular, offer immediate access to hot water, eliminating the wait and allowing us to efficiently tackle daily tasks.
  5. Flexibility and Customization Water heaters offer a range of temperature settings, giving us the freedom to customize our hot water experience. Whether it’s a soothing warm bath or piping hot water for dishwashing, the ability to adjust the water temperature according to our preferences adds a layer of personalization to our routines.
  6. All-Weather Dependability Irrespective of the external weather conditions, water heaters provide a consistent source of hot water. During chilly winters or rainy days, the reliability of warm water ensures that our daily routines remain uninterrupted, promoting a sense of normalcy.
  7. Family Comfort In households with varying preferences, water heaters bridge the comfort gap. They accommodate the diverse temperature preferences of family members, ensuring that everyone can enjoy their preferred level of warmth, contributing to a harmonious living environment.
  8. Stress Reduction Warm water has a soothing effect on both the body and the mind. A warm shower or bath after a long day can alleviate stress, relax muscles, and promote relaxation and sleep—a valuable asset in the quest for maintaining mental and physical well-being.
  9. Cooking and Culinary Delights Water heaters contribute to culinary ventures by providing hot water for cooking, making tea, or preparing instant meals. They simplify kitchen tasks and expedite the preparation of various dishes, enhancing our gastronomic experiences.

Remember that the popularity and availability of brands may vary depending on your location within India. Before making a purchase, it’s recommended to research and read reviews to ensure that the chosen brand and model align with your needs and preferences.

Types of Water Heaters in India

Water Heaters in India

In India, water heaters come in three main types, each with its own set of features and benefits:

  1. Storage Water Heaters (Geysers): This traditional type of water heater consists of a tank that stores and heats water. They are available in various sizes, typically ranging from 1 liter to 35 liters or more. Geysers are suitable for households with predictable hot water needs, such as for showers and daily chores.
  2. Instant Water Heaters (Tankless): Instant water heaters, as the name suggests, provide hot water on-demand without the need for a storage tank. They are compact and energy-efficient, making them an ideal choice for smaller households or places where space is limited. Instant water heaters are known for their quick heating capabilities and are a popular choice in Indian bathrooms and kitchens.
  3. Solar Water Heaters: With growing environmental consciousness, solar water heaters have gained popularity. These systems utilize solar energy to heat water, reducing electricity consumption and utility bills. They are particularly advantageous in regions with abundant sunlight.

1: Storage Water Heaters: How They Work and Their Functionality

Storage water heaters, commonly known as geysers, are a staple in households around the world, providing a steady supply of hot water for various domestic activities. Understanding how these appliances function can shed light on their efficiency, benefits, and considerations. Let’s take a closer look at how storage water heaters work:

**1. Water Storage Tank: At the heart of a storage water heater lies the insulated water storage tank, usually made of steel, with a layer of insulation to minimize heat loss. The tank’s capacity determines how much hot water it can store at any given time.

**2. Heating Element: Within the storage tank, there is a heating element, typically an electric resistance heating element. This component is responsible for heating the water inside the tank. When the heater is turned on, electricity flows through the heating element, generating heat.

**3. Thermostat: A thermostat is integrated into the water heater to regulate the water temperature. It senses the temperature of the water in the tank and switches the heating element on or off as needed to maintain the desired temperature setting.

**4. Cold Water Inlet and Hot Water Outlet: The storage water heater has two main water connections: the cold water inlet and the hot water outlet. Cold water enters the tank through the cold water inlet, displacing the hot water that is drawn from the top of the tank through the hot water outlet.

**5. Heating Process: As cold water enters the tank through the cold water inlet, it displaces the hot water at the top of the tank, which exits through the hot water outlet for use. The heating element heats the incoming cold water, raising its temperature to the set level.

**6. Recovery Rate: The time it takes for the storage water heater to heat a new batch of cold water to the desired temperature is known as the recovery rate. This rate depends on the capacity of the heater, the heating element’s power, and the temperature difference between the incoming cold water and the desired hot water temperature.

**7. Standby Heat Loss: One limitation of storage water heaters is standby heat loss. Since the tank maintains a constant temperature, some heat energy can be lost to the surrounding environment, especially in non-insulated tanks. This leads to energy wastage, which is an important consideration for energy efficiency.

**8. Usage Patterns: The efficiency of storage water heaters depends on the usage patterns of hot water in a household. Consistent demand for hot water aligns well with the heating cycle of storage water heaters, while sporadic use might result in energy wastage during standby periods.

Advantages and Disadvantages of Storage Water Heaters

Storage water heaters, commonly known as geysers, have been a popular choice for providing hot water in households. While they offer several advantages, they also come with their fair share of disadvantages. Understanding both sides can help you make an informed decision about whether a storage water heater is the right choice for your needs. Let’s explore the pros and cons:


  1. Consistent Hot Water Supply: Storage water heaters offer a steady supply of hot water, making them suitable for tasks that require a continuous flow of warm water, such as showers and dishwashing.
  2. Affordability: Compared to some other types of water heaters, storage water heaters are often more affordable to purchase and install. This makes them an accessible choice for households with budget constraints.
  3. Simultaneous Use: Storage water heaters can handle multiple faucets or outlets simultaneously, allowing different household members to use hot water for various purposes simultaneously.
  4. Simple Operation: Operating a storage water heater is straightforward. You set the desired temperature, and the heater maintains that temperature until you need hot water.
  5. Thermal Insulation: Many modern storage water heaters come with improved insulation, reducing standby heat loss and making them more energy-efficient.


  1. Limited Hot Water Capacity: The most significant limitation of storage water heaters is their limited hot water capacity. Once the stored hot water is used up, you have to wait for the heater to reheat a new batch, which can take some time.
  2. Energy Consumption: Storage water heaters keep the water in the tank at a constant temperature, leading to standby heat loss. This means they continuously consume energy even when hot water is not being used, resulting in higher energy bills.
  3. Size and Space: Storage water heaters require space for the tank, which can be a limitation, especially in smaller living spaces. Finding an appropriate location for installation can sometimes be a challenge.
  4. Maintenance Concerns: Over time, sediment buildup can occur at the bottom of the tank, affecting both the efficiency and the lifespan of the heater. Regular maintenance, such as flushing the tank, is necessary to prevent this.
  5. Recovery Time: If you deplete the hot water supply in the tank, you’ll need to wait for the heater to heat a new batch of water. This can be inconvenient if you have high hot water demand during a short period.
  6. Size Flexibility: Storage water heaters come in various capacities, but choosing the right size to match your hot water needs can be crucial. An undersized heater might not meet your demands, while an oversized one could lead to energy wastage.

In conclusion, storage water heaters offer a reliable source of hot water but come with limitations related to capacity, energy consumption, and maintenance. Assess your household’s hot water needs, energy efficiency goals, and available space before deciding on the type of water heater that best suits your requirements.

Ideal Usage Scenarios and Household Sizes for Storage Water Heaters

Storage water heaters, also known as geysers, are a common choice for providing hot water in households. The suitability of a storage water heater depends on various factors, including usage patterns and household size. Let’s explore the ideal scenarios and household sizes for using storage water heaters:

  1. Small Families (1-2 Members):

Ideal Usage Scenarios: Storage water heaters are well-suited for small families with 1-2 members who have moderate hot water needs. They are perfect for tasks like daily showers, dishwashing, and basic household chores.

Household Size: A small-capacity storage water heater (around 10-15 liters) is sufficient for providing hot water for a couple or a single individual.

  1. Medium-Sized Families (3-4 Members):

Ideal Usage Scenarios: Storage water heaters are still suitable for medium-sized families, especially when there is a predictable hot water demand. They work well for multiple showers and household tasks occurring at different times.

Household Size: For a family of 3-4 members, consider a medium-capacity storage water heater (around 25-35 liters) to ensure an adequate supply of hot water.

  1. Large Families (5 or More Members):

Ideal Usage Scenarios: While storage water heaters can work for larger families, they may require careful planning to avoid running out of hot water during peak usage times. Scheduling hot water usage or considering staggered use can help.

Household Size: For larger families, it’s advisable to opt for a higher-capacity storage water heater (35 liters or more) or even consider alternatives like solar water heaters to meet higher hot water demands efficiently.

  1. Homes with Predictable Usage Patterns:

Ideal Usage Scenarios: Storage water heaters are most effective in households with predictable usage patterns. If hot water demands are relatively consistent and spread out throughout the day, a storage water heater can efficiently meet these needs.

  1. Homes with Budget Constraints:

Ideal Usage Scenarios: Storage water heaters are an economical choice for households with budget limitations. They offer a straightforward hot water solution without the added costs associated with more complex water heater types.

  1. Homes with Limited Space:

Ideal Usage Scenarios: Storage water heaters are compact and can be installed in various spaces, making them suitable for homes with limited room for installation. They can be mounted on walls or tucked away in corners.

Remember that individual preferences, lifestyle, and usage patterns play a significant role in determining the ideal water heater for your household. Assess your hot water needs, consider your family size, and evaluate the availability of space before making a decision. Additionally, for energy efficiency, insulation and the use of energy-saving settings are crucial regardless of household size. If unsure, consulting with a professional can help you choose the most suitable water heating solution for your specific requirements.

2: Instant Water Heaters: How They Work and Their Functionality

Instant water heaters, also known as tankless water heaters or on-demand water heaters, have gained popularity for their energy efficiency and ability to provide hot water quickly whenever needed. Let’s delve into how these innovative appliances work and explore their functionality:

**1. No Storage Tank: Unlike traditional storage water heaters that have a tank to store and heat water, instant water heaters operate without a storage tank. They heat water directly as it passes through the unit, eliminating the need for preheated water storage.

**2. Heating Element: Instant water heaters are equipped with a powerful heating element, often powered by electricity or gas. When you turn on a hot water faucet, the heating element activates to heat the water flowing through the system.

**3. Flow Sensor: As water flows through the instant water heater, a flow sensor detects the water movement and triggers the heating element to start working. This real-time response ensures that hot water is generated only when there is a demand for it.

**4. Temperature Regulation: Most instant water heaters come with built-in temperature controls that allow you to set your desired hot water temperature. The unit adjusts the heating element’s power output to achieve the chosen temperature, ensuring that you receive water at the right level of warmth.

**5. Continuous Supply: Instant water heaters provide a continuous supply of hot water as long as there is a demand for it. Unlike storage water heaters that can run out of hot water once the tank is depleted, instant water heaters don’t have this limitation. This makes them ideal for situations where a large amount of hot water is needed in a short time.

**6. Energy Efficiency: One of the main advantages of instant water heaters is their energy efficiency. Since they only heat water when it’s needed, there is no standby heat loss associated with maintaining a tank of hot water. This can result in significant energy savings over time.

**7. Compact Design: Instant water heaters have a compact and space-saving design, making them suitable for smaller living spaces. They can be installed closer to the point of use, reducing the wait time for hot water to reach the faucet or shower.

**8. Quick Heating: Instant water heaters deliver hot water almost instantly, eliminating the need to wait for the water to heat up as you would with a storage water heater. This is particularly advantageous for tasks that require immediate hot water, such as washing dishes or taking a shower.

**9. Gas and Electric Variants: Instant water heaters are available in both gas (natural gas or propane) and electric variants. Gas models are known for their high heating capacities and are suitable for homes with frequent and heavy hot water demands, while electric models are convenient and easy to install.

Instant water heaters are designed to provide hot water efficiently and promptly, catering to the demands of modern living. Their energy-saving features, continuous supply, and compact design make them a popular choice for households looking to optimize their hot water experience while minimizing energy consumption.

Benefits of Instant Water Heaters: Energy Efficiency and Space-Saving

Instant water heaters, also known as tankless water heaters, offer a range of benefits that make them an attractive choice for modern households. Two notable advantages are energy efficiency and space-saving design. Let’s explore these benefits in detail:

  1. Energy Efficiency: Instant water heaters are renowned for their energy efficiency, which stems from their on-demand heating mechanism. Here’s how they excel in energy conservation:
  • No Standby Heat Loss: Traditional storage water heaters keep a reservoir of hot water ready at all times, leading to standby heat loss as heat dissipates through the tank walls. Instant water heaters eliminate this energy wastage because they only heat water when you need it, saving you money on your energy bills.
  • Precise Temperature Control: Instant water heaters allow you to set the desired water temperature. The unit heats the water to that exact temperature, minimizing the need for reheating and reducing overall energy consumption.
  • No Reheating: In storage water heaters, if the preheated water cools down in the tank, it needs to be reheated. Instant water heaters provide hot water as long as there is demand, without the need for reheat cycles, further optimizing energy usage.
  1. Space-Saving Design: Instant water heaters are compact and designed to be installed closer to the point of use. This space-saving advantage offers several benefits:
  • Minimal Footprint: Instant water heaters can be wall-mounted or installed in smaller spaces, freeing up valuable floor space. This is particularly advantageous for apartments, condos, and homes with limited room for appliances.
  • Shorter Hot Water Travel Distance: Being located near the point of use reduces the distance hot water needs to travel through pipes. This means less water is wasted while waiting for hot water to reach the faucet, contributing to water conservation.
  • Flexible Installation: The compact size and flexibility of instant water heaters allow for creative installation options. They can be placed under sinks, inside cabinets, or even in closets, optimizing the utilization of available space.
  1. Continuous Supply of Hot Water: Instant water heaters provide a continuous and limitless supply of hot water. This is particularly beneficial when multiple hot water outlets are in use simultaneously, as the unit heats water on-demand.
  2. Longevity and Reduced Maintenance: Instant water heaters typically have longer lifespans than traditional storage water heaters. They are less prone to issues like tank corrosion, which is common in storage units. This translates to reduced maintenance and replacement costs over time.
  3. Eco-Friendly Choice: Due to their energy efficiency, instant water heaters contribute to environmental sustainability by reducing energy consumption and greenhouse gas emissions.

In summary, the benefits of instant water heaters, including their energy efficiency and space-saving design, make them an attractive choice for those seeking a modern and sustainable solution for hot water needs. While the initial cost of purchase and installation may be slightly higher than that of traditional storage water heaters, the long-term savings in energy costs and the added convenience often outweigh the investment.

Considerations for choosing the right capacity for Instant water heaters

Water Heaters

Selecting the appropriate capacity for an instant water heater is crucial to ensure a seamless supply of hot water without interruptions. Unlike storage water heaters, which have a fixed tank capacity, instant water heaters provide hot water based on their flow rate. Here are some key considerations to help you determine the ideal capacity (flow rate) for your instant water heater:

  1. Flow Rate: The flow rate of an instant water heater is measured in liters per minute (LPM) and indicates how much hot water the heater can deliver per minute. Choosing the right flow rate depends on your household’s simultaneous hot water needs. Consider the following factors:
  • Number of Outlets: Count the number of faucets, showers, and appliances that require hot water simultaneously. Ensure the total flow rate of the instant water heater can meet the demand of your busiest times.
  • Simultaneous Usage: If multiple outlets will be used at the same time, make sure the total flow rate of the heater can accommodate this usage without a significant drop in water temperature.
  1. Usage Patterns: Analyze your household’s hot water usage patterns. If you have a predictable schedule where hot water is needed, you can adjust your usage to match the flow rate of the instant water heater. However, if hot water is required sporadically or simultaneously at various points, consider a higher flow rate.
  2. Peak Demand: Identify the peak times when hot water demand is at its highest. Your instant water heater’s flow rate should be able to handle these peak demands without a drop in water temperature.
  3. Types of Outlets: Different outlets have varying flow rates. For example, a showerhead typically requires a higher flow rate compared to a sink faucet. Ensure that the instant water heater you choose can provide enough hot water for the outlets with the highest demand.
  4. Cold Water Temperature: The initial temperature of the incoming cold water affects how much the instant water heater needs to heat it to achieve the desired hot water temperature. If you live in colder regions, you might need a higher flow rate to compensate for the larger temperature difference.
  5. Energy Efficiency: While a higher flow rate provides more hot water, it also requires more energy to heat the water to the desired temperature. Striking a balance between meeting your hot water needs and energy efficiency is important.
  6. Manufacturer’s Recommendations: Consult the manufacturer’s guidelines and recommendations for selecting the right flow rate based on household size and usage patterns. Manufacturers often provide charts or calculators to help you make an informed decision.
  7. Future Considerations: Think about any potential changes in your household, such as the addition of new appliances or an increase in family members. Choosing a slightly higher flow rate can provide flexibility for future needs.
  8. Professional Advice: If you’re uncertain about the ideal flow rate for your household, consider consulting with a plumbing professional. They can assess your needs and recommend the most suitable instant water heater capacity.

In conclusion, choosing the right capacity (flow rate) for an instant water heater requires a thoughtful evaluation of your household’s hot water demands. By considering simultaneous usage, peak demand, usage patterns, and cold water temperature, you can select an instant water heater that meets your needs effectively while ensuring a consistent supply of hot water.

3: Solar Water Heaters: How They Work and Their Functionality


Solar Water Heaters: How They Work and Their Functionality

Solar water heaters harness the power of sunlight to provide a sustainable and energy-efficient solution for heating water. These systems utilize solar collectors to capture solar energy and convert it into heat, which is then transferred to water for various household needs. Let’s explore how solar water heaters work and delve into their functionality:

  1. Solar Collectors: Solar collectors, typically installed on the roof or in an open area with maximum sun exposure, are the core components of a solar water heater. There are two main types of collectors: flat plate collectors and evacuated tube collectors.
  • Flat Plate Collectors: These collectors consist of an insulated box with a dark absorber plate covered by a transparent glazing. Sunlight passes through the glazing, heating the absorber plate, which then transfers the heat to a fluid (usually water or an antifreeze solution) circulating through the collector.
  • Evacuated Tube Collectors: These collectors comprise rows of glass tubes, each containing an absorber layer and a vacuum that reduces heat loss. The vacuum insulation enhances their efficiency, making them suitable for colder climates.
  1. Circulation System: Solar water heaters employ either an active or a passive circulation system to move the heated fluid from the collectors to the storage tank.
  • Active System: In an active system, a pump circulates the heated fluid (often a mixture of water and antifreeze) through the collectors and into a heat exchanger located within the storage tank. This transfer of heat warms the water in the tank.
  • Passive System: A passive system relies on natural convection to circulate the fluid. As the fluid heats up in the collector, it becomes less dense and rises, creating a flow that moves the warmer fluid into the storage tank.
  1. Heat Exchange and Storage Tank: The heat exchanger within the storage tank transfers the collected heat from the fluid to the water stored in the tank. This process raises the temperature of the water, making it available for domestic use.
  2. Backup Heating Element: Many solar water heaters are equipped with a backup heating element, such as an electric or gas heater. This element provides an additional source of heat during cloudy days or when the solar energy collected isn’t sufficient to meet hot water demand.
  3. Controller and Sensors: Modern solar water heaters often feature controllers and sensors that monitor system temperatures and fluid flow. These components help optimize the system’s operation by ensuring efficient heat transfer and managing the backup heating element.
  4. Hot Water Distribution: Once the water in the storage tank reaches the desired temperature, it’s ready for use. Hot water can be distributed to faucets, showers, appliances, and other points of use throughout the household.

Benefits of Solar Water Heaters:

  • Energy Efficiency: Solar water heaters use renewable solar energy, reducing reliance on conventional energy sources and cutting down utility bills.
  • Sustainability: Solar water heaters contribute to environmental sustainability by reducing carbon emissions and conserving non-renewable resources.
  • Cost Savings: While the initial investment may be higher, the long-term savings on energy bills make solar water heaters financially viable.
  • Low Maintenance: Solar water heaters require minimal maintenance compared to traditional heating systems.
  • Independence from Grid: Solar water heaters operate independently from the electrical grid, providing hot water even during power outages.

Solar Water Heaters and Their Reliance on Solar Energy

Solar water heaters are innovative devices that rely on the abundant and renewable energy of the sun to provide hot water for various domestic purposes. By harnessing solar energy, these systems offer numerous benefits, ranging from environmental sustainability to cost savings. Let’s delve into how solar water heaters depend on solar energy and the advantages of this reliance:

  1. Solar Collectors: Solar water heaters consist of solar collectors that are strategically positioned to capture sunlight. These collectors are designed to absorb solar radiation and convert it into heat energy.
  2. Absorption of Solar Energy: Solar collectors are equipped with absorber surfaces that are designed to absorb as much solar energy as possible. These surfaces are usually dark in color to enhance their heat-absorbing properties.
  3. Conversion to Heat: Once solar energy is absorbed by the collectors, it’s converted into heat. This heat is transferred to a fluid (usually water or an antifreeze solution) that circulates through the collectors. As the fluid passes through, it absorbs the heat and becomes warmer.
  4. Heat Transfer to Water: The heated fluid then passes through a heat exchanger located within the storage tank of the solar water heater. The heat exchanger transfers the collected solar heat to the water stored in the tank, raising its temperature.
  5. Backup Heating: While solar energy is the primary source of heat for the water, solar water heaters often come with a backup heating element, such as an electric or gas heater. This backup system ensures hot water availability during cloudy days or when the solar energy collected isn’t sufficient.

Advantages of Reliance on Solar Energy:

  1. Renewable and Sustainable: Solar energy is a renewable resource, meaning it’s constantly replenished by the sun’s rays. Reliance on solar energy reduces the depletion of finite fossil fuel resources and minimizes the environmental impact associated with non-renewable energy sources.
  2. Environmental Benefits: By utilizing solar energy, solar water heaters significantly reduce greenhouse gas emissions and other pollutants that result from burning fossil fuels for heating water. This contributes to a cleaner and healthier environment.
  3. Energy Independence: Solar water heaters provide households with a degree of energy independence. They aren’t reliant on external energy sources like electricity or gas, making them suitable for remote or off-grid locations.
  4. Cost Savings: Relying on solar energy for heating water translates to reduced utility bills. Once installed, the operational cost of solar water heaters is relatively low compared to systems that depend on purchased energy.
  5. Long-Term Investment: While the initial investment in a solar water heater might be higher than conventional systems, the long-term cost savings and return on investment make them a financially wise choice.
  6. Low Maintenance: Solar water heaters require minimal maintenance compared to traditional heating systems. This translates to fewer maintenance costs and hassle over the system’s lifespan.

In conclusion, solar water heaters epitomize sustainable technology by relying on the sun’s energy to provide a continuous supply of hot water. By reducing reliance on non-renewable energy sources, these systems offer environmental benefits, cost savings, and a step toward a more sustainable future.

Water Heater Prices in India

water heater prices in India can vary widely based on factors such as brand, type, capacity, features, and energy efficiency. Prices can also vary by region and might have changed since then. Here’s a rough price range for different types of water heaters in India:

  1. Instant Water Heaters (Electric): These are typically the most affordable option and are suitable for small households. Prices can range from around ₹2,000 to ₹6,000 or more, depending on the brand and features.
  2. Storage Water Heaters (Electric): Storage water heaters with tanks come in various capacities. Prices can range from around ₹5,000 for basic models to ₹15,000 or more for higher-capacity and energy-efficient models.
  3. Tankless Water Heaters (Electric): Tankless water heaters provide hot water on demand and are more energy-efficient. Prices can range from ₹8,000 to ₹20,000 or more, depending on the brand and specifications.
  4. Gas Water Heaters: Gas water heaters are available in both storage and tankless options. Prices for gas water heaters can range from ₹6,000 to ₹15,000 or more, depending on the type and features.
  5. Solar Water Heaters: Solar water heaters are eco-friendly and can have higher upfront costs due to the solar panels and installation. Prices can range from ₹15,000 to ₹50,000 or more, depending on capacity and system type.

Remember that these are just approximate price ranges, and actual prices may vary. It’s recommended to visit local appliance stores, online retailers, or the official websites of water heater brands for the most up-to-date and accurate pricing information. Additionally, consider factors such as energy efficiency, warranty, and after-sales service when making your purchase decision.

Key Features to Consider When Buying Water Heaters in India

When choosing a water heater in India, several features should be taken into account to ensure you make the right decision:

  1. Capacity: The capacity of the water heater is determined by the size of the tank. It’s essential to choose a capacity that meets your household’s hot water requirements without excessive wastage or inadequate supply.
  2. Energy Efficiency: Look for water heaters with energy-efficient features and higher BEE star ratings. This not only saves money on electricity bills but also contributes to environmental sustainability.
  3. Heating Technology: Different water heaters employ various heating technologies, such as electric, gas, or solar. Consider the availability of energy sources in your area and choose a heater that aligns with your preferences.
  4. Safety Features: Safety should never be compromised. Opt for water heaters equipped with features like auto shut-off, temperature control, and pressure relief valves to prevent accidents.
  5. Installation and Maintenance: Choose a water heater that is easy to install and maintain. Proper maintenance prolongs the appliance’s lifespan and ensures consistent performance.
  6. Brand Reputation: Opt for reputable brands known for their quality, reliability, and after-sales service. Research customer reviews and ratings to make an informed decision.
  7. Warranty: A longer warranty period indicates the manufacturer’s confidence in their product. Look for water heaters with substantial warranties to secure your investment.


Water heaters have become indispensable in modern Indian households, offering comfort and convenience in our daily routines. The choice of the right water heater depends on factors such as household size, energy availability, and individual preferences. By considering the capacity, energy efficiency, safety features, and brand reputation, you can find the perfect water heater that meets your needs while delivering reliable hot water for years to come. Embrace the warmth and convenience of modern water heating technology, making every day a cozy and refreshing experience.

How to Buy Perfect Water Heater in India?

Buying a water heater is an important decision that can impact your home’s comfort and energy efficiency. Here are some tips to consider when buying a water heater:

  1. Type of Water Heater:
    • Conventional Storage Water Heaters: These are the traditional water heaters with a storage tank. They are generally less expensive but can be less energy-efficient due to standby heat loss.
    • Tankless Water Heaters: Also known as on-demand water heaters, these heat water directly as it flows through the unit. They are more energy-efficient and provide a continuous supply of hot water, but they can be more expensive upfront.
  2. Fuel Source:
    • Electric: Electric water heaters are common and easy to install, but they might have higher operating costs depending on your electricity rates.
    • Gas (Natural Gas or Propane): Gas water heaters generally have lower operating costs, but they require a gas line and proper venting.
  3. Size and Capacity:
    • Choose a water heater size based on your household’s hot water needs. Consider the number of people in your household and their usage patterns.
    • Storage tank water heaters are typically measured in gallons (e.g., 40, 50 gallons), while tankless heaters are measured in flow rate (gallons per minute).
  4. Energy Efficiency:
    • Look for the Energy Factor (EF) rating for storage tank water heaters and the Uniform Energy Factor (UEF) for tankless heaters. Higher ratings indicate better energy efficiency.
    • ENERGY STAR certified water heaters meet strict efficiency guidelines.
  5. Installation Space:
    • Consider the physical dimensions of the water heater and whether it will fit in the designated installation area.
    • Tankless water heaters are generally more compact and can be wall-mounted, saving space.
  6. Warranty:
    • A longer warranty period is usually an indicator of a manufacturer’s confidence in their product’s durability.
    • Read and understand the warranty terms, including coverage for parts, labor, and the tank (if applicable).
  7. Installation Costs:
    • Installation costs can vary based on the type of water heater and any necessary modifications to your plumbing or gas lines. Get estimates from qualified professionals.
  8. Maintenance Requirements:
    • Tankless water heaters might require periodic flushing to prevent mineral buildup and maintain performance.
    • Conventional storage tank heaters should also be flushed periodically to remove sediment.
  9. Water Quality:
    • If you have hard water, consider installing a water softener to extend the lifespan of your water heater.
  10. Reviews and Recommendations:
    • Research customer reviews and recommendations for specific brands and models to get an idea of real-world performance and reliability.
  11. Professional Installation:
    • Unless you’re experienced with plumbing and gas lines, it’s recommended to have a professional install the water heater to ensure safety and proper operation.
  12. Local Regulations:
    • Check local building codes and regulations to ensure you’re compliant with installation requirements for your area.

Remember that the best water heater for you will depend on your specific needs and circumstances. Take your time to research and compare options before making a decision.

Mistakes to avoid when buying a water heater in India

When buying a water heater in India, there are several mistakes you should avoid to ensure you make the right choice for your needs and to avoid potential issues down the line. Here are some common mistakes to watch out for:

  1. Ignoring Climate and Water Quality:
    • India has varying climate zones, and the choice of a water heater should be influenced by the climate in your region. In colder regions, you might need a more powerful heater.
    • Consider water quality too. If you have hard water, it can lead to scale buildup in the heater. Opt for a model with features to handle hard water.
  2. Not Considering Energy Efficiency:
    • Energy costs in India can be high, so opting for an energy-efficient model can save you money in the long run. Look for BEE star ratings for energy efficiency.
  3. Incorrect Size Selection:
    • Choosing a water heater with inadequate capacity can lead to running out of hot water, while an oversized heater can result in unnecessary energy consumption. Consider the size of your family and usage patterns.
  4. Ignoring Installation Space:
    • Indian households often have space constraints. Ensure the water heater you choose fits the available space. Tankless models are more compact but might need specific installation considerations.
  5. Not Checking Voltage and Wiring:
    • Electric water heaters require specific voltage and wiring configurations. Make sure your home’s electrical system can handle the heater’s requirements.
  6. Skipping Proper Ventilation and Exhaust:
    • Gas water heaters require proper ventilation to prevent the buildup of harmful gases like carbon monoxide. Ensure your installation complies with safety standards.
  7. Ignoring Warranty and After-Sales Service:
    • Check the warranty terms and the manufacturer’s reputation for after-sales service. A good warranty and responsive service can save you trouble in case of issues.
  8. Not Considering Water Pressure:
    • Some water heaters might require a certain level of water pressure to function optimally. Make sure your home’s water pressure is suitable for the chosen model.
  9. Overlooking Safety Features:
    • Water heaters should have safety features like temperature control and pressure relief valves. These features are crucial to prevent overheating or bursting.
  10. Buying Based Solely on Price:
    • While budget is important, don’t compromise on quality and features just to save money. A slightly higher investment in a reliable water heater can pay off in the long run.
  11. Not Researching Brands and Models:
    • Research the reputation of different brands and models. Read reviews and get recommendations from trusted sources before making a decision.
  12. Not Seeking Professional Installation:
    • Improper installation can lead to safety hazards and reduce the heater’s efficiency. Always have the water heater professionally installed.
  13. Ignoring Local Regulations:
    • Different states and regions in India might have specific regulations and requirements for water heater installation. Make sure you comply with these regulations.

By avoiding these common mistakes, you can make a well-informed decision when buying a water heater in India and ensure years of reliable hot water supply for your household.

Top 10 Water Heater Brands in India

Water heater brands in India are known for their quality, performance, and customer satisfaction. Keep in mind that rankings and popularity might have changed.

Here are the top 10 water heater brands in India, based on their reputation and market presence up to that point:

  1. Bajaj Electricals: Bajaj is a well-known brand in India and offers a wide range of water heaters with various features and capacities.
  2. AO Smith: AO Smith is known for its high-quality and energy-efficient water heaters, including both storage and tankless models.
  3. Havells: Havells is a popular brand offering a range of electric water heaters with modern designs and features.
  4. Racold: Racold is a prominent brand that provides a variety of water heaters, including instant, storage, and solar water heaters.
  5. Crompton Greaves: Crompton Greaves offers reliable water heaters with advanced technology and energy-saving features.
  6. V-Guard: V-Guard is known for its durable and energy-efficient water heaters, especially in regions with voltage fluctuations.
  7. Kenstar: Kenstar provides a range of water heaters known for their performance and affordability.
  8. Usha: Usha offers electric water heaters with various capacities and features, catering to different consumer needs.
  9. Hindware: Hindware offers innovative and stylish water heaters that focus on both functionality and aesthetics.
  10. Rinnai: Rinnai specializes in gas water heaters and is recognized for its efficient and reliable products.

Please note that the popularity and performance of brands can change over time, so it’s a good idea to research and check for the latest reviews and ratings before making a purchase decision. Additionally, consider factors such as energy efficiency, customer reviews, after-sales service, and product features when choosing a water heater brand.

Frequently Asked Questions (FAQs) on Water Heaters in India

Whether you’re a first-time buyer or someone looking to upgrade your water heating system, it’s natural to have questions about water heaters. Here are some commonly asked questions about water heaters in India, along with informative answers:

  1. What types of water heaters are available in India?

In India, you can find three main types of water heaters: storage water heaters (geysers), instant water heaters (tankless), and solar water heaters. Storage water heaters have a tank to store hot water, instant water heaters provide hot water on-demand without a tank, and solar water heaters utilize solar energy for heating.

  1. How do I determine the right capacity for a storage water heater?

The capacity of a storage water heater depends on the number of people in your household and your hot water usage. As a general guideline, a 15-25 liter capacity is suitable for a small family (1-2 members), 25-35 liters for a medium-sized family (3-4 members), and 35 liters or more for larger families.

  1. Are instant water heaters more energy-efficient than storage water heaters?

Instant water heaters are generally more energy-efficient because they heat water only when needed, eliminating standby heat loss. Storage water heaters, on the other hand, maintain a constant temperature in the tank, leading to some energy loss. However, the choice also depends on your usage patterns and preferences.

  1. Can I install a solar water heater in any location in India?

Solar water heaters require ample sunlight for efficient operation. They are most effective in regions with abundant sunlight throughout the year. Before installation, assess the solar potential of your location and consult with professionals to determine if it’s a viable option.

  1. What safety features should I look for in a water heater?

Important safety features include auto shut-off to prevent overheating, temperature and pressure relief valves, and corrosion-resistant materials for the tank. These features ensure safe and trouble-free operation of your water heater.

  1. Can I install a water heater in my bathroom or kitchen?

Yes, you can install water heaters in bathrooms and kitchens. However, ensure that the chosen location complies with safety regulations and has proper ventilation to prevent moisture buildup.

  1. Are there any maintenance requirements for water heaters?

Regular maintenance is crucial for the longevity and efficiency of your water heater. It’s recommended to flush the tank periodically to prevent sediment buildup and to check for any leaks or rust. Consult the manufacturer’s guidelines for specific maintenance instructions.

  1. Do water heaters come with warranties?

Yes, most water heaters come with warranties that vary in duration depending on the brand and model. Warranties typically cover manufacturing defects and certain components. Be sure to read the warranty terms before making a purchase.

  1. Can I use a water heater with hard water?

Using hard water can lead to mineral buildup in the tank, reducing the efficiency of the heater over time. Consider using a water softener or opting for a water heater with features designed to handle hard water conditions.

  1. How can I ensure optimal energy efficiency with my water heater?

To ensure energy efficiency, set the water heater thermostat to an appropriate temperature (around 120°F or 49°C), insulate the hot water pipes, and consider using a timer to control heating cycles during off-peak hours.

Remember that selecting the right water heater depends on your specific needs, preferences, and local conditions. It’s always advisable to research thoroughly, consult professionals, and choose a reputable brand for the best results.


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