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  2. Solar hot water in Australia - Wikipedia

    en.wikipedia.org/wiki/Solar_hot_water_in_Australia

    In accordance with the South Australian Government rebate scheme, [17] starting January 7, 2008, all installations or replacements of a water heater must be a low-greenhouse one. [18] The rebate scheme is aimed to give less fortunate people a financial incentive to use gas, heat pump or solar energy to heat water.

  3. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    This historic heat pump heated the town hall for 63 years until 2001. Only then was it replaced by a new, more efficient heat pump. [14] 1945 John Sumner, City Electrical Engineer for Norwich, installs an experimental water-source heat pump fed central heating system, using a nearby river to heat new Council administrative buildings. It had a ...

  4. Solar water heating - Wikipedia

    en.wikipedia.org/wiki/Solar_water_heating

    The tested SWH system had about 20% of the impact of an electrical water heater and half that of a gas water heater. [50] Analysing their lower impact retrofit freeze-tolerant solar water heating system, Allen et al. (qv) reported a production CO 2 impact of 337 kg, which is around half the environmental impact reported in the Ardente et al ...

  5. The Inflation Reduction Act offers subsidies for heat pumps ...

    www.aol.com/news/inflation-reduction-act-offers...

    Households making less than 80% of their state’s median household income can receive $8,000 for a heat pump and $1,750 for a heat pump water heater. Households with income between 80% and 150% ...

  6. Solar-assisted heat pump - Wikipedia

    en.wikipedia.org/wiki/Solar-assisted_heat_pump

    The operating conditions' optimization of this system is the main challenge, because there are two opposing trends of the performance of the two sub-systems: by way of example, decreasing the evaporation temperature of the working fluid increases the thermal efficiency of the solar panel but decreases the performance of the heat pump, and consequently the COP. [4]

  7. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

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