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  2. Seasonal thermal energy storage - Wikipedia

    en.wikipedia.org/wiki/Seasonal_thermal_energy...

    A number of homes and small apartment buildings have demonstrated combining a large internal water tank for heat storage with roof-mounted solar-thermal collectors. Storage temperatures of 90 °C (194 °F) are sufficient to supply both domestic hot water and space heating. The first such house was MIT Solar House #1, in 1939.

  3. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    This heats the water in the aquifer which can become a warm source for heating in winter. [32] [33] The combination of cold and heat storage with heat pumps can be combined with water/humidity regulation. These principles are used to provide renewable heat and renewable cooling [34] to all kinds of buildings.

  4. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Circulating hot water can be used for central heating. Sometimes these systems are called hydronic heating systems. [22] Common components of a central heating system using water-circulation include: A supply of fuel, electric power or district heating supply lines; A boiler (or a heat exchanger for district heating) which heats water in the system

  5. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    In general, heat pumps work most efficiently (that is, the heat output produced for a given energy input) when the difference between the heat source and the heat sink is small. When using a heat pump for space or water heating, therefore, the heat pump will be most efficient in mild conditions, and decline in efficiency on very cold days.

  6. 6 Home Depot Products Under $50 That Will Reduce Your ... - AOL

    www.aol.com/finance/6-home-depot-products-under...

    When winter’s over and you want to open your windows again, it’s easy to remove. The kit has enough for three windows, and it’s under $5. Frost King Water Heater Insulation Blanket. Price ...

  7. Furnace (central heating) - Wikipedia

    en.wikipedia.org/wiki/Furnace_(central_heating)

    These furnaces were still big and bulky compared to modern furnaces, and had heavy-steel exteriors with bolt-on removable panels. Energy efficiency would range anywhere from just over 50% to upward of 65% AFUE. This style furnace still used large, masonry or brick chimneys for flues and was eventually designed to accommodate air-conditioning ...

  8. Free cooling - Wikipedia

    en.wikipedia.org/wiki/Free_cooling

    In heating, ventilation, and air conditioning in winter months, large commercial buildings interior spaces may need cooling, even while perimeter spaces may need heating. [2] Free cooling is the production of chilled water without the use of a chiller, and can be used generally in the late fall, winter and early spring, in temperate zones. [3]

  9. Renewable heat - Wikipedia

    en.wikipedia.org/wiki/Renewable_heat

    Solar heating is a style of building construction which uses the energy of summer or winter sunshine to provide an economic supply of primary or supplementary heat to a structure. The heat can be used for both space heating (see solar air heat) and water heating (see solar hot water). Solar heating design is divided into two groups:

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