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Baluwatar, Kathmandu, Nepal
solar water heating system in nepal

Solar Water Heating Systems in Nepal Kathmandu

 Solar Water Heating Systems in nepal heat up water by the use of solar energy. These systems are generally composed of solar thermal collectors, a water storage tank or another point of usage, interconnecting pipes and a fluid system to move the heat from the collector to the tank.

solar water heater Nepal
solar water heater Nepal

Thermosyphion Solar water heater relies on the natural circulation of water between the collector and the tank or heat exchanger. As water in the vacuum tubes is heated, it rises naturally into the elevated tank while cooler heavier water in then tank flows down to the bottom of the vacuum tubes, causing circulation throughout the system.

solar hot water nepal
solar hot water nepal

For best results, place the top of the collectors at least one feet below the bottom of the tank. Greater height differential will result in greater flow. Larger pipe, shorter runs, and gentle bends will make for an adequate flow rate.

solar water heater nepal

Evacuated Tube technology delivers significantly better performance than traditional absorbers in the market today. Their advanced design incorporates tubes that consist of 3 layer of borosilicate glass with a vacuum layer between them. This vacuum acts like a thermos flask, retaining up to 97% of the thermal energy, resulting in increased efficiency. The sun thermal energy then transferred to the manifold via the heat pipe located inside each tube.

Solar water heating system(SWH) in Nepal is the conversion of sunlight into heat for water heating using a solar thermal collector. A variety of configurations are available at varying cost to provide solutions in different climates and latitudes. SWHs are widely used for residential and some industrial applications.

Non Pressurized Solar Water Heating system are the basic model and the best suitable for cold climate area. This product is developed by most advanced technology even to work at very lower temperatures. Osmo solar water heater is a 100% eco friendly product to supply hot water without electricity for years. It consists of:

  • Evacuated tubes of  high quality borosilicate glass
  • Inner tanks with SUS 3042B food grade stainless steel
  • Outer tank with stainless steel; SUS 201BA food grade 
  • Insulating layer of Polyurethane foam 55 mm for 72 hour heat conservation.
  • Stainless steel brackets
  • Various capacities to suit your requirements
  • Suitable for Residential, domestic, hospitals and other commercial – industrial applications
  • Proven excellent track record at very cold areas
  • No or bare minimum maintenance

Compact Solar Water Heating system (Osmo solar water heater)

This is ideal for homes, apartments and residential buildings. Used for supplying domestic hot water with non-pressurized systems.


solar water heater in nepal

Products Code Osmo 240LTR Osmo 280LTR Osmo 360LTR
Number of People 3-6 6-8 8 and above
Number of Tubes 20 24 30
Solar Capacity 240 L 280 L 360 L
Dimensions (cm)
157-155-170 194-155-170 242-155-170
Weight (kg) 83 100 119
Price 46,000 56,000 69,000 

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