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  2. Home fuel cell - Wikipedia

    en.wikipedia.org/wiki/Home_fuel_cell

    For example, a 5 kW home fuel cell produces about 80 MWh of annual combined electricity and heat, compared to approximately 10MWh generated by a 5 kW solar system. However, these systems are not directly comparable because solar power is a renewable resource with basically no operating cost, while natural gas is neither.

  3. Solar thermal collector - Wikipedia

    en.wikipedia.org/wiki/Solar_thermal_collector

    With the increasing drive to install renewable energy systems on buildings, transpired solar collectors are now used across the entire building stock because of high energy production (up to 750 peak thermal Watts/square metre), high solar conversion (up to 90%) and lower capital costs when compared against solar photovoltaic and solar water ...

  4. Solar water heating - Wikipedia

    en.wikipedia.org/wiki/Solar_water_heating

    Israel, Cyprus and Greece are the per capita leaders in the use of solar water heating systems supporting 30%–40% of homes. [7] Flat plate solar systems were perfected and used on a large scale in Israel. In the 1950s a fuel shortage led the government to forbid heating water between 10 pm and 6 am.

  5. Renewable heat - Wikipedia

    en.wikipedia.org/wiki/Renewable_heat

    The 4,000-square-foot (370 m 2) home cost $125 per square foot (or 370 m 2 at $1,351/m 2), similar to the cost of a traditional new home. Active solar heating uses pumps to move air or a liquid from the solar collector into the building or storage area. Applications such as solar air heating and solar water heating typically capture solar

  6. Off-the-grid - Wikipedia

    en.wikipedia.org/wiki/Off-the-grid

    Off-the-grid or off-grid is a characteristic of buildings and a lifestyle [1] designed in an independent manner without reliance on one or more public utilities. The term "off-the-grid" traditionally refers to not being connected to the electrical grid , but can also include other utilities like water, gas, and sewer systems, and can scale from ...

  7. Thermal energy storage - Wikipedia

    en.wikipedia.org/wiki/Thermal_energy_storage

    While stoves and kilns are ovens, they are also thermal storage systems that depend on heat being retained for an extended period of time. Thermal energy storage systems can also be installed in domestic situations with heat batteries and thermal stores being amongst the most common types of energy storage systems installed at homes in the UK. [54]

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