hot water electric pump
31environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
32Central heating — unit A central heating system provides warmth to the whole interior of a building (or portion of a building) from one point to multiple rooms. When combined with other systems in order to control the building climate, the whole system may be a… …
33EcoCute — The EcoCute is an energy efficient heat pump that uses both electricity and heat extracted from the air to heat water for domestic use. Instead of the more conventional ammonia or haloalkane gases, EcoCute uses carbon dioxide as a refrigerant.… …
34energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
35Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …
36Geothermal power — (from the Greek roots geo , meaning earth, and therme , meaning heat) is energy generated by heat stored in the earth, or the collection of absorbed heat derived from underground, in the atmosphere and oceans. Prince Piero Ginori Conti tested the …
37Radiator — Radiators and convectors are types of heat exchangers designed to transfer thermal energy from one medium to another for the purpose of cooling and heating. The majority of radiators are constructed to function in automobiles, buildings, and… …
38Solar air conditioning — refers to any air conditioning (cooling) system that uses solar power. This can be done through passive solar, photovoltaic conversion (sun to electricity), or solar thermal energy conversion. The U.S. Energy Independence and Security Act of… …
39Air source heat pumps — An air source heat pump is a type of heat pump which use the outside air as a heat source or heat sink to heat or cool an interior space. Air source heat pumps are more efficient than oil, gas, and electric resistance heating in mild climates… …
40Autonomous building — An autonomous building is a building designed to be operated independently from infrastructural support services such as the electric power grid, municipal water systems, sewage treatment systems, storm drains, communication services, and in some …
