A solar water heater is a solar device that heats water using solar energy. It use the sunlight to heat the water during the day. This hot water is stored inside an insulated solar hot water tank for use whenever required. It is among the most cost-effective uses of solar energy.

The solar energy from the sun is utilised for heating water very easily to a temperature of 55-70° C. And hence, if you replace your conventional water heater with a solar water heater, you can save up to 70-80% on electricity. Besides, it operates at low costs and is eco-friendly. This is the reason why thousands of people are installing solar water heaters every year.

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Solar Water Heater India

With no maintenance requirement, solar heaters provide a low cost long term solution to getting hot water. For cloudy days, solar water heaters have an inbuilt electric heating element for backup. Basically, solar water heaters do conversion of sunlight into renewable energy for water heating using a solar thermal collector.

There are two different types of solar water heater available in various capacities. So it’s worth spending 10 minutes reading this information and selecting the best type and capacity of water heater that meet all your needs.

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How does a solar water heater work?

In the daytime, the sun rays fall on the collectors. The absorbers present inside the collectors consume the solar radiation. As a result heat energy is produced. The solar collectors transmit this energy to the water streaming through them. This hot water is stored inside an insulated solar hot water tank for use whenever required. As the tank is insulated, it prevents heat loss. The flow of water from solar collectors to the tank continues due to the thermosiphon principle. 

Buy solar panels online at best price
Buy solar panels online at best price

#1. Types of Solar Water Heater

To provide outcomes in different climates and latitudes and to satisfy your budget, a variety of solar water heater configurations are available in the market. The different types allow you to choose the one that matches your preferred efficiency, capacity, functionality and price. Although choosing the right one is slightly complicated, we are here to help you find out the heater that can serve you with the utmost benefits. Solar water heater comes in two major technologies:

FPC type solar water heater performs better in hot climatic conditions, while ETC type solar water heater performs better in cool climatic conditions. Both the types differ by the type of collector used to absorb the solar radiation. These are discussed below in detail. 

#2. ETC Solar Water Heater

In ETC Solar Water Heater, the collector is designed to provide insulation using double layer borosilicate glass tubes. Each evacuated tube consists of two glass tubes having vacuum in between which is an excellent insulator. The outer wall of the inner tube is made to absorb maximum solar radiation. And that is why the wall is coated with demanding absorbing material. 

Evacuated Tube Collector (ETC) acts as an absorber in the solar water heater. The incident solar radiation falling on the tube passes through the outer transparent tube and strikes the outer of inner tube. It absorbs heat energy and then passes to the cold water flowing in the tube. Hence, the heat gets transferred to the cold water resulting in heating the water. 

An evacuated tube technology based solar water heating system is most energy efficient and cost effective that are best suitable for home use.

ETC Solar water heater

ETC Water Heater Price List       

Generally, ETC solar water heater prices start from Rs.15,000 to Rs.55,000 depending on the capacity of the heater and its brand. ETC Solar heater range starts from Rs. 15000 for a 100L capacity heater. You can estimate the prices of all the different capacity ETC water heaters by looking at the table below.

Water Heater ModelCapacity Selling Price
ETC 100L Solar Heater100 literRs.15,000
ETC 200L Solar Heater200 literRs.25,000
ETC 300L Solar Heater300 literRs.36,000
 ETC 500L Solar Heater500 literRs.55,000
  • (Inclusive of all taxes) Prices can vary ± 10% to 12% depending on location, promotions and availability, and solar brand.
  • Prices are exclusive of Govt. Subsidy, as the subsidy on solar systems depends on your eligibility and types of solar system.
  • Check our Online Solar Shop or Amazon Store for latest price and stock availability.

ETC 100 Liter Solar Water Heater

A 100L ETC solar water heater is best suited for minor domestic uses. It is the cheapest kind of heater you can get for your home. Though for 100L solar water heater capacity you can also go for an FPC solar heater, it would not be as budget-friendly as a 100L ETC solar water heater. Talking about its efficacy, it can save around 1500 units of electricity yearly. Hence, a 100L ETC solar water heater is best for you if you want to get up to 100L of hot water at a handy price. 

100 Liter Solar Water Heater

15,000 (inclusive of all taxes)
  • No Grid Required
  • No Electricity Bills
  • 10 Years Collector Warranty
  • 2 Year Complete Warranty
  • Delivery - Within 5 to 7 Days

Specification of 100L water heater

A 100 liter ETC solar water heater comes with many specifications. Its detailed specification along with its price is mentioned below.

ParticularDescription
Water Heater Capacity100 Liter
Water Heater TypeETC
Size of Tubes1800mm X 58mm
No. of Tubes10 nos.
Hot Water TankSS-304
Tank Insulation50 mm PUF
Outer TankGI Power Coated
Warranty2 years for complete water heater and 10 years for solar collector.
Delivery-Installation7 Days from the order along with advance.
Selling PriceRs.15,000 (Inclusive of all taxes)

ETC 200 Liter Solar Water Heater

A 200L capacity heater is also a domestic heater though more functional than a 100L capacity heater. As the labelling indicates, this heater can provide you up to 200L of hot water at 50-60°C. Hence it can serve your purpose if you want a small to the medium sized water heater. Installing 200L solar water heater, you can save approximately 2200 units of electricity annually. 

200 Liter Solar Water Heater

25,000 (inclusive of all taxes)
  • No Grid Required
  • No Electricity Bills
  • 10 Years Collector Warranty
  • 2 Year Complete Warranty
  • Delivery - Within 5 to 7 Days

Specification of 200L water heater

A 200 liter solar ETC water heater is best for small and medium size homes. Its specifications are given below.

ParticularDescription
Water Heater Capacity200 Liter
Water Heater TypeETC
Size of Tubes1800mm X 58mm
No. of Tubes20 nos.
Hot Water TankSS-304
Tank Insulation50 mm PUF
Outer TankGI Power Coated
Warranty2 years for complete water heater and 10 years for solar collector.
Delivery-Installation7 Days from the order along with advance.
Selling PriceRs.25,000 (Inclusive of all taxes)

ETC 300 Liter Solar Water Heater

If you want to make a feeble investment for getting 300L hot water at around 50°C, this one is the cost-effective solution for you. A 300L solar water heater is neither too small nor too large — just the perfect size that a beginner with a medium-sized family might be looking for. It can work extremely well for a medium-sized residency saving around 3000 units of electricity yearly. With this one, you won’t either lack hot water (as 300L is a promising capacity) nor will you doubt your investment (as it comes at medium costs). 

300 Liter Solar Water Heater

36,000 (inclusive of all taxes)
  • No Grid Required
  • No Electricity Bills
  • 10 Years Collector Warranty
  • 2 Year Complete Warranty
  • Delivery - Within 5 to 7 Days

Specification of 300L water heater        

We are providing you 300 liter ETC solar water heater at best price. For more details, we are providing its description below.

ParticularDescription
Water Heater Capacity300 Liter
Water Heater TypeETC
Size of Tubes1800mm X 58mm
No. of Tubes30 nos.
Hot Water TankSS-304
Tank Insulation50 mm PUF
Outer TankGI Power Coated
Warranty2 years for complete water heater and 10 years for solar collector.
Delivery-Installation7 Days from the order along with advance.
Selling PriceRs.36,000 (Inclusive of all taxes)

ETC 500 Liter Solar Water Heater

500L ETC solar water heaters are most commonly seen in houses that consist of big families. These are considered to be large capacity solar water heaters. Besides being useful for large residences with a pretty large family, the 500L solar water heater can also be seen in restaurants, canteens, hospitals, guest houses, hotels etc. These water heaters are the first choice of many individuals who want to install a decently scaled solar water heating system. Since, they are highly efficient and can help you save upto 5500 units of electricity in a year. 

500 Liter Solar Water Heater

55,000 (inclusive of all taxes)
  • No Grid Required
  • No Electricity Bills
  • 10 Years Collector Warranty
  • 2 Year Complete Warranty
  • Delivery - Within 5 to 7 Days

Specification of 500L water heater    

500 liter solar FPC water heater is recommended for big houses. For your convenience we are giving its description along with its price below.

ParticularDescription
Water Heater Capacity500 Liter
Water Heater TypeETC
Size of Tubes1800mm X 58mm
No. of Tubes50 nos.
Hot Water TankSS-304
Tank Insulation50 mm PUF
Outer TankGI Power Coated
Warranty2 years for complete water heater and 10 years for solar collector.
Delivery-Installation7 Days from the order along with advance.
Selling PriceRs.55,000 (Inclusive of all taxes)

#3. FPC Solar Water Heater

In an FPC solar water heater, the solar radiation is absorbed by Flat Plate Collectors (FPC) which consist of an insulated outer metallic box covered on the top with a glass sheet. Inside there are blackened metallic absorber (selectively coated) sheets with built in channels or riser tubes to carry water. The absorber absorbs the solar radiation and transfers the heat to the flowing water

A flat plate technology based solar water heater is more energy efficient. Also it has a long life. Hence, such a heater is most suitable for home use.

500 liter FPC solar water heater

FPC Water Heater Price List

The price range of FPC water heaters starts from Rs 25,000 for 100L capacity heater to around 1 lakh for 500L capacity heater. The price list is as shown below.

Water Heater ModelCapacity Selling Price
FPC 100L Solar Heater100 literRs.25,000
FPC 200L Solar Heater200 literRs.48,990
FPC 300L Solar Heater300 literRs.69,990
FPC 500L Solar Heater500 literRs.1,09,990
  • (Inclusive of all taxes) Prices can vary ± 10% to 12% depending on location, promotions and availability, and solar brand.
  • Prices are exclusive of Govt. Subsidy, as the subsidy on solar systems depends on your eligibility and types of solar system.
  • Check our Online Solar Shop or Amazon Store for latest price and stock availability.

FPC 100 Liter Solar Water Heater

This is the smallest and the cheapest FPC solar water heater you can get. Being exceedingly efficient, this heater is budget-friendly. A 100L solar water heater can do the work of an electric geyser and that too quite efficiently. This is for you if you want to operate a solar water heater on a small scale. Strictly speaking, it is for small water heating purposes. Basically, it is best for a small house consisting of 2-3 members and having just one bathroom. 

100 Liter Solar Water Heater

25,000 (inclusive of all taxes)
  • No Grid Required
  • No Electricity Bills
  • 5 Year Complete Warranty
  • 15 Years Solar Panel Warranty
  • Delivery - Within 5 to 7 Days

Specification of 100L water heater

A 100 liter FPC solar water heater comes with many specifications. The detailed description of this solar water heater is given below.

ParticularDescription
Water Heater Capacity100 Liter
Water Heater TypeFPC
Size of Collector2000 x 1000 x 100mm
Nos.  of  Collector1 nos.
Hot Water TankSS-304
Tank Insulation50 mm PUF
Outer TankGI Power Coated
Warranty5 years for complete solar and 15 years for solar panel.
Delivery – Installation7 Days from the order along with advance.
PriceRs. 25,000.00 Included Installation

FPC 200 Liter Solar Water Heater

A 200L FPC Solar water heater is most common for heating water at domestic level. Though compared to a 100L capacity variant, this one with double the capacity is more efficient and purposeful as it can serve much more than just a geyser. A 200L solar water heater is powerful enough to fulfil the hot water requirement of around 4-5 members of the house having 1 or 2 bathrooms. So if a 100L FPC variant is too small for your small-sized family, this one will surely fit perfectly. 

200 Liter Solar Water Heater

48,990 (inclusive of all taxes)
  • No Grid Required
  • No Electricity Bills
  • 5 Year Complete Warranty
  • 15 Years Solar Panel Warranty
  • Delivery - Within 5 to 7 Days

Specification of 200L water heater    

This 200 liter capacity FPC solar water heater has many features in it. It is the best source for water heating. Its detailed description is mentioned below.

ParticularDescription
Water Heater Capacity200 Liter
Water Heater TypeFPC
Size of Collector2000 x 1000 x 100mm
Nos.  of  Collector2 nos.
Hot Water TankSS-304
Tank Insulation50 mm PUF
Outer TankGI Power Coated
Warranty5 years for complete solar and 15 years for solar panel.
Delivery – Installation7 Days from the order along with advance.
Selling PriceRs.48,990 (Inclusive of all taxes)

FPC 300 Liter Solar Water Heater

A 300L FPC solar water heater is the best choice for a medium scale consumer. It is the average size of a solar water heater you can get. For 300L capacity, you can also go for an ETC variant but that will not provide you with the same efficiency as this one. Although FPC solar heaters are costlier, they are much more profitable than ETC heaters. A 300L FPC solar water heater can fulfil the hot water requirement of around 6-8 members of the family. It can function well for 2-3 bathrooms. 

300 Liter Solar Water Heater

69,990 (inclusive of all taxes)
  • No Grid Required
  • No Electricity Bills
  • 5 Year Complete Warranty
  • 15 Years Solar Panel Warranty
  • Delivery - Within 5 to 7 Days

Specification of 300L water heater    

A 300 liter solar water heater is best for medium size houses. We have listed its features below. You can check them before buying it.

ParticularDescription
Water Heater Capacity300 Liter
Water Heater TypeFPC
Size of Collector2000 x 1000 x 100mm
Nos.  of  Collector3 nos.
Hot Water TankSS-304
Tank Insulation50 mm PUF
Outer TankGI Power Coated
Warranty5 years for complete solar and 15 years for solar panel.
Delivery – Installation7 Days from the order along with advance.
Selling PriceRs.69,990 (Inclusive of all taxes)

FPC 500 Liter Solar Water Heater

500L solar water heater is a great amount of capacity when it comes to domestic use. It is for those homes which consist of around 10-14 family members and have 3-5 bathrooms. But apart from normal domestic uses like bathing, cloth washers and dishwashers, these can also be used for other more advanced purposes like heating water of a small portable swimming pool. Besides, these large capacity solar heaters are mostly found in commercial and industrial uses as these sectors require hot water in a huge amount. 

500 Liter Solar Water Heater

1,09,990 (inclusive of all taxes)
  • No Grid Required
  • No Electricity Bills
  • 5 Year Complete Warranty
  • 15 Years Solar Panel Warranty
  • Delivery - Within 5 to 7 Days

Specification of 500L water heater    

A 500 liter solar FPC water heater is recommended for big houses. For your convenience we are giving its description along with its price below.

ParticularDescription
Water Heater Capacity500 Liter
Water Heater TypeFPC
Size of Collector2000 x 1000 x 100mm
Nos.  of  Collector5 nos.
Hot Water TankSS-304
Tank Insulation50 mm PUF
Outer TankGI Power Coated
Warranty5 years for complete solar and 15 years for solar panel.
Delivery – Installation7 Days from the order along with advance.
Selling PriceRs.1,09,990 (inclusive of all taxes)

#5. Pressurized V/s Heat-Exchanger

Apart from types based on capacity, a solar water heater has certain other types based upon its functionality. These types are listed below.

Heat-Exchanger Water Heater

A heat-exchanger solar water heater uses heat exchangers to warm water. Here, water is heated through another heated medium which can be air or liquid. After the solar collectors absorb the solar energy, the heat exchangers transmit it to liquid or air. This heated liquid or air runs inside the water tank containing cold water through pipes. As the medium flows inside the cold water, the heat begins to exchange from the medium to water resulting in heating the water.

ModelCapacitySelling Price
HE 200L 2C SWH200 LiterRs.60,029
HE 300L 3C SWH300 LiterRs.81,041
HE 500L 4C SWH500 LiterRs.1,08,614
HE 500L 5C SWH500 LiterRs.1,18,844

Pressurized Solar Water Heater

A pressurized solar water heater uses pressure to heat water. It is also known as the High-pressure Direct Pressure Solar Water Heater. While operating such a heater, the water in the tank should be kept under high pressure. The pressure of the tank water should resemble the pressure of tap water.

ModelCapacitySelling Price
Px 200L 2AL SWH200 LiterRs.63,622
Px 300L 3AL SWH300 LiterRs.86,907
Px 500L 4AL SWH500 LiterRs.1,27,677
Px 500L 5AL SWH500 LiterRs.1,35,097

Pressurized with Heat-Exchanger Heater

A pressurized with heat-exchanger heater comes with the combined feature of both- a pressurized heater and a heat-exchanger heater. Similar to the heat-exchanger heater, it works with copper tubes connected to the tank. The solar energy heats the medium inside the copper tube which in turns transfers the energy to the cold water making it hot to a temperature of around 60°C. And like a pressurized heater, all this heating process is done under pressure.

ModelCapacityPrice Rs.
Px-HE 200L 2AL SWH200 LiterRs.69,700
Px-HE 300L 3AL SWH300 LiterRs.95,063
Px-HE 500L 4AL SWH500 LiterRs.1,39,293
Px-HE 500L 5AL SWH500 LiterRs.1,46,713

#6. Subsidy On Solar Water Heater

There are different policies for subsidy on solar in every state. Therefore, the subsidy rates on solar water heater vary. The genuine rates are:

  • Rs.4,000 and above per 100 Liter and Rs. 8,000 and above per 200 Litre on FPC
  • Rs.1,500 per 100 Liters and Rs. 3,000 per 200 Litres on ETC

 

Read more about: Subsidy on solar panel, solar water pump & other solar products in India.

Top Brands of Water Heater

  • Tata Solar
  • V-Guard
  • Arinna
  • Emmvee solar
  • Solahart solar
  • Supreme
  • V guard solar
  • Recold
  • Greentek
  • Anu
  • Kotak Urja
  • Kenbrook Solar

We (Kenbrook Solar) are a solar company in Gurgaon, leading manufacturer and supplier of FPC and ETC solar water heater. We have installed more than 2000 solar systems in India. We are involved in alternative energy solutions and have developed a wide range of solar products including solar water heaters that are reliable and efficient solutions for domestic and commercial applications.

Frequently Asked Question

In FPC solar water heater, sun rays are absorbed by flat plate collectors (FPCs). There are copper tubes inside it which serves to heat the water.

Solar water heater comes with inbuilt heating element. So in winters, you can use it as a geyser.

The place to install solar water heater depends on its size and capacity. To install a 100 liter solar water heater, an average 15 sq.ft. space is needed. This space can increase or decrease according to the capacity of the water heater, such as 40-45 sq.ft. is needed for installing 300 liter solar heater.

You can install solar water heaters anywhere as per your convenience. Most people like to install their solar water heater on the roof of their houses. You can install it on the roof or on the ground according to your desire.

No, there is no need to install solar panel in solar water heater. Water in the water heater is heated by a flat plate collector or evacuated tube collector. These collectors themselves absorb the sunlight and heat the water from it. If you want to know more about panels than.

Click here: Solar Panel

ETC stands for Evacuated Tube Collector. In this type of solar water heater, tubes are used to heat the water. These tubes absorb the sunlight and heat the water out of it.

To choose the best capacity solar water heater, you need to calculate the consumption of water at your home. After finding the water consumption, you can comfortably choose the best capacity solar water heater.

Generally, solar water heaters start from Rs.15,000 and can go up to Rs.1,09,990. Actually, the price of solar water heater depends on its capacity.

In solar water heater, water will remain hot for approx. 48 hours.

Solar water heaters need sunlight to heat water. Because of this it cannot heat water at night. But in solar water tank, hot water is already stored. You can use it at night as well.

The estimated life of a solar water heater is 15 to 20 years. You can increase its productivity with better maintenance.

There is 2 year warranty for complete solar water heater system and 10 year warranty is there for solar collectors.

There are few companies which manufactures quality solar water heater. These companies are Tata Solar, Inter, V-Guard, Arinna, Emmvee solar, Solahart solar, Supreme, V guard solar, Recold, Greentek, Anu, Kotak Urja, Avion Solar. You can install solar products of these companies for better service quality.

Yes, some states are providing government subsidies on solar water heater. Contact us for more information.

For buy solar water heaters you can contact us. We provide best quality solar water heater at adorable price rate.

Top Solar Brands in India

✍️ Written by: Hari Sharan & Updated On: 18/11/2021 By: Bhanwar Chauhan

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