5 Best Solar Water Heater in India

A collector is a device for converting the energy in solar radiation into a more usable or storable form. The energy in sunlight is in the form of electromagnetic radiation from the infrared (long) to the ultraviolet (short) wavelengths. 

The solar energy striking the Earth’s surface depends on weather conditions, as well as location and orientation of the surface, but overall, it averages about 1,000 watts per square meter under clear skies with the surface directly perpendicular to the sun’s rays.

Solar water heaters work during cloudy weather or at night if the water heater has a heat retention feature and if it has the proper insulation. You can save 1500 units per year per 100 L of water.

If water is very hard you can use a glass-lined tank to keep the tank away from corrosion. You should place the water heater at approx 25-27 degrees for max absorption. Also, the solar water should be placed facing south preferably.

Here is the list of the 5 Best solar water heaters for you.

5 Top Solar Water Heater in India

#1. Racold Alpha Pro Solar 100 LPD Domestic Water Heater

Racold Alpha Pro Solar 100 LPD Domestic Water Heater

Racold Alpha Pro Solar water heater’s design ensures durability, low maintenance, and blends seamlessly with building aesthetics. The unique float valve is only offered by Racold; it eliminates long air vents to ensure safe usage. 

The specially treated Duronox Stainless Steel 100 L tank ensures durability and resistance against corrosion. The heater is great for a family of 2-3 members. The water heater works in bad weather conditions like a cloudy sky, winter sky, and rainy weather.

Racold water heaters use a high-energy absorption vacuum tube of over 1800mm in length, which ensures optimum energy absorption and high efficiency. 

The Racold water heater is ideal for hard water applications with 1000 PPM, 500 chlorides, 6.5 to 7.5 pH that is neutral.

Specification

Angle of stand 25 degree
Dimensions19.65 x 11.75 x 11.5 Meters
Capacity 100 Liter
Temperature65-85 degrees
WarrantyTank – 5 years
Float – 2 years
Stand – 1 year

#2. Supreme Solar 200 LPD Solar Water Heater, Standard

Supreme Solar 200 LPD Solar Water Heater, Standard

The Supreme solar water heater is made with stainless steel SS-304 grade. To make the water heater corrosion-resistant, porcelain enamel is used. The outer body of the tank has powder-coating on it.

Supreme Solar 200 LPD water heater comes with an assistant tank to control pressure from overhead tanks, this is provided along with the solar tank.

You should place the overhead tank at a height of 5 ft from the floor level. This will ensure a continuous supply of water to the solar tank and allow it to function properly.

The water heater is ideal for a family of 3-4 members and can be connected to 3 bathrooms.

Specification

Angle of stand 27 degree
Dimensions 198.12 x 182.88 x 137.16 Centimeter
Capacity 200 Liter
Temperature65-85 degrees
WarrantyTank – 5 years

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#3. GreenLife GI Solar Water Heater

GreenLife GI Solar Water Heater

GreenLife GI Solar Water Heater is made of a 2mm thick GI sheet with epoxy coating, it has excellent resistance to corrosion and UV radiation.

The solar water heater has evacuated tubes that can transfer heat energy with high efficiency. The vacuum tube reduces convection and conduction heat loss and hence gives quick heat generation. 

The solar water heater requires low maintenance as water quality does not affect the tank. Heat loss during the daytime is almost negligible and hence it provides hot water in bad weather conditions as it can retain heat for at least 4 hours.

The capacity of the water heater is 100 L which is ideal for a small family with 2-3 members. The water heater can be used with 2 bathrooms for hot water supply.

Specification

Angle of stand 25 degree
Dimensions 137.16 x 121.92 x 100.58 Centimeter
Capacity 100 Liter
Temperature60-120 degrees
WarrantyTank – 5 years

#4. Suntek Energy Solar Water Heater

Suntek Energy Solar Water Heater

Suntek water heater has an Evacuated Tube Collectors(ETC) Solar Water Heating system made of 3 layered Borosilicate tubes which heat water efficiently even in low temperatures like when the weather is cloudy or during winters.

The outer wall of the tube is coated with selective absorbing material – Copper, Aluminium, Stainless Steel wafers to increase absorption of solar radiation and transfer the heat into the water which flows through the inner tube.

The capacity of the water heater is 100 L which is good for a small family of 2,3 members. The water heater provides great efficiency and heating backup. 

The ETC Solar Water Heater mainly comprises the storage tank, tank insulation, tubes, electrical backup, supporting structure.

Specification

Angle of stand 25 degree
Dimensions 137.16 x 121.92 x 100.58 Centimeter
Capacity 100 Liter
Temperature60-80 degrees
Warranty1-2 years when electricity is replaced
2-3 years when furnace oil is replaced
4-6 years when coal is replaced

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#5. MANDHATA INVENTIONS 200LPD Solar Water Heater

MANDHATA INVENTIONS 200LPD Solar Water Heater

MANDHATA INVENTIONS 200LPD solar water heater is made with 1.5 mm thickness GI and Stainless Steel. The system has a capacity of 200 Litres Per Day (LPD) which is good for 3,4 members.

The solar water heater provides hot water in bad weather conditions like the rainy season or cloudy sky with a power backup coil element. The water heater is easy to install and maintain – the company provides free installation of the water heater, making it suitable for usage.

The solar water heater system generates hot water at temperatures between 40-60 degrees Celsius using evacuated glass tubes for maximum efficiency. Installation can normally be completed in one or two days with minimal disruption to your home, with minimum fuss and mess.

Specification

Angle of stand 27 degree
Dimensions 198.1 x 182.9 x 137.2 Centimeter
Capacity 200 Liter
Temperature60-80 degrees
Warranty15 years

Final thought 

If you want a solar water heater with high capacity then you may go for the Racold Alpha Pro Solar water heater. The water heater has a capacity of 100 L water every day which is good for  2-3 members and has advanced float valve technology for greater efficiency. The water heater works even in bad weather conditions like cloudy sky, winter sky and rainy weather

If you want a water heater for a small family with 2-3 members then you may go for GreenLife GI Solar Water Heater.  The water heater provides great performance in bad weather conditions like cloudy sky, and rainy weather as it can retain heat for at least four hours.

About Shilpa

Shilpa Gupta is the editor-in-chief of ElectronicWorld with a vision to help the reader by providing genuine advice on electronic products & the latest technology. She loves hills more than beaches.

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