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2. Warranty - Wikipedia

   en.wikipedia.org/wiki/Warranty

   Tank water heater warranties exclude labor, liability for water damage, and shipping cost to return the old heater or parts. Tankless warranties do not exclude water damage; they cover labor for a year, and Ruud/Rheem covers return shipping on tankless models.

3. Solar desalination - Wikipedia

   en.wikipedia.org/wiki/Solar_desalination

   Second, the heat of condensation is valuable because it takes large amounts of solar energy to evaporate water and generate saturated, vapor-laden hot air. This energy is, by definition, transferred to the condenser's surface during condensation. With most solar stills, this heat is emitted as waste heat. [citation needed]

4. Hot water storage tank - Wikipedia

   en.wikipedia.org/wiki/Hot_water_storage_tank

   A hot water storage tank (also called a hot water tank, thermal storage tank, hot water thermal storage unit, heat storage tank, hot water cylinder and geyser in South African English [1]) is a water tank used for storing hot water for space heating or domestic use. Water is a convenient heat storage medium because it has a high specific heat ...

5. File:Active Solar Water Heater Diagram.svg - Wikipedia

   en.wikipedia.org/wiki/File:Active_Solar_Water...

   You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

6. Solar pond - Wikipedia

   en.wikipedia.org/wiki/Solar_pond

   Solar Evaporation Ponds in the Atacama Desert. A solar pond is a pool of saltwater which collects and stores solar thermal energy. The saltwater naturally forms a vertical salinity gradient also known as a "halocline", in which low-salinity water floats on top of high-salinity water. The layers of salt solutions increase in concentration (and ...

7. Solar energy - Wikipedia

   en.wikipedia.org/wiki/Solar_energy

   Solar water heaters facing the Sun to maximize gain. Solar hot water systems use sunlight to heat water. In middle geographical latitudes (between 40 degrees north and 40 degrees south), 60 to 70% of the domestic hot water use, with water temperatures up to 60 °C (140 °F), can be provided by solar heating systems. [27]