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subsidy area

Harayana

Maharastra

Telangana

Andhra Pradesh

Karnataka

Pre-approved subsidy ~30%

Available for solar systems to be installed on roofs of below categories of customers:

Residential

All types of buildings

Applicable states

Institutions
  • Educational Institutions
    • Schools
    • Universities
  • Health Institutions
    • Hospitals
    • Medical College
Type of System :

Grid-connected solar systems (without batteries)

System Sizes :

5kW, 10kW, 15kW, 20kW, 25kW

Features :

Included (remote Monitoring System + O & M for 5years)

Payback

31/2 Years to 41/2 Years

Return on Investment

20% to 25%

Contact us

+91 99013 30955

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Evacuated Tube Collector (ETC) Solar Water Heaters

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Evacuated Tube Collector (ETC) based solar water heaters are more recent compared to Flat Plate Collector (FPC) based solar water heaters and are being adopted as they are more economical. The Evacuated Tube Collector offers better heat capture under cloudy and low sunlight conditions and also has better heat retention in colder climates where the night temperature drops significantly. For moderately hard water conditions, the Evacuate Tube Collector is also less prone to scaling issues and also requires less maintenance compared to the Flat Plate Collector but is less robust and more susceptible to damage compared to it as the tubes might break in case of external impact.

Evacuated Tube Collector solar water heater models are mostly suitable for non-pressurized applications and there are only a few models available for pressurized applications from select manufacturers. Glowship carries Evacuated Tube Collector solar water heater models from leading Indian and global brands - Solarizer, Racold, Bosch, Supreme etc. available for purchase online.

Which type of ETC solar water heater to buy?

If you need advice on the type of solar water heater to buy then please use the solar water heater product selector to input your requirements. The product selector will automatically recommend the exact models that you can buy online. The Evacuated Tube Collector consists of two co-axial glass tubes fused at both ends with air between the tubes evacuated to create vacuum that works as an insulation. The water to be heated flows in the inner tube and the outer surface of this tube is selectively coated to increase the absorption of solar energy.

Learn more about Evacuated Tube Collector solar water heaters

For more details on how the Evacuated Tube Collector based solar water heater operates please visit the Knowledge Central section on the website.

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