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Honeywell electronic thermostat in a store. Heating and cooling losses from a building (or any other container) become greater as the difference in temperature increases. A programmable thermostat allows reduction of these losses by allowing the temperature difference to be reduced at times when the reduced amount of heating or cooling would not be objectionable.
A condensing boiler Hot water central heating unit, using wood as fuel. A central heating system provides warmth to a number of spaces within a building from one main source of heat. A central heating system has a furnace that converts fuel or electricity to heat through processes.
The heat pump is significantly more energy-efficient than electric resistance heating, because it moves energy from air or groundwater to the heated space and the heat from purchased electrical energy. When the heat pump is in heating mode, the indoor evaporator coil switches roles and becomes the condenser coil, producing heat.
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Hence, direct electric heating may now give a similar carbon footprint to gas- or oil-fired heating, but the cost remains higher, though cheaper off-peak tariffs can reduce this effect. To provide heat more efficiently, an electrically driven heat pump can raise the indoor temperature by extracting energy from the ground, the outside air, or ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 February 2025. Entrepreneur, philanthropist, and founder of eBay (born 1967) Pierre Omidyar Omidyar in 2007 Born Parviz Morad Omidyar (1967-06-21) June 21, 1967 (age 57) Paris, France Citizenship Iran France United States Education University of California, Berkeley (BS) Occupation(s) Founder of eBay ...
The Fiat Panda is a city car manufactured and marketed by Fiat since 1980, currently in its third generation. The first generation Panda, introduced in 1980 as the Mk1, was a two-box, three-door hatchback designed by Giorgetto Giugiaro and Aldo Mantovani of Italdesign and was manufactured through 2003 — receiving an all-wheel drive variant in 1983.
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