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  2. Solar thermal collector - Wikipedia

    en.wikipedia.org/wiki/Solar_thermal_collector

    Solar air heating is a renewable energy heating technology used to heat or condition air for buildings or process heat applications. It is typically the most cost-effective of all the solar technologies, especially in large scale applications, and it addresses the largest usage of building energy in heating climates, which is space heating and ...

  3. Swimming pool - Wikipedia

    en.wikipedia.org/wiki/Swimming_pool

    A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable swimming or other leisure activities. Pools can be built into the ground (in-ground pools) or built above ground (as a freestanding construction or as part of a building or other larger structure), and may be found as a ...

  4. Solar water heating - Wikipedia

    en.wikipedia.org/wiki/Solar_water_heating

    When a solar water heating and hot-water central heating system are used together, solar heat will either be concentrated in a pre-heating tank that feeds into the tank heated by the central heating, or the solar heat exchanger will replace the lower heating element and the upper element will remain to provide for supplemental heat. However ...

  5. Own a pool in Southern California? New air-quality rule ...

    www.aol.com/news/own-pool-southern-california...

    Bans on large gas-fired units and pool heaters will begin in 2027, and high-temperature units in 2029. Gas-fired water heaters will be banned from existing buildings once the appliances reach a ...

  6. Solar thermal energy - Wikipedia

    en.wikipedia.org/wiki/Solar_thermal_energy

    A collection of mature technologies called seasonal thermal energy storage (STES) is capable of storing heat for months at a time, so solar heat collected primarily in Summer can be used for all-year heating. Solar-supplied STES technology has been advanced primarily in Denmark, [15] Germany, [16] and Canada, [17] and applications include ...

  7. Solar energy - Wikipedia

    en.wikipedia.org/wiki/Solar_energy

    Development in the solar water heating sector progressed steadily throughout the 1990s, and annual growth rates have averaged 20% since 1999. [121] Although generally underestimated, solar water heating and cooling is by far the most widely deployed solar technology with an estimated capacity of 154 GW as of 2007. [121]

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