domestic hot water system
21building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
22Scandinavian Airlines System — Infobox Airline airline = Scandinavian Airlines System (SAS) logo size = 250 IATA = SK BU ICAO = SAS CNO callsign = SCANDINAVIAN SCANOR parent = SAS AB founded = 1946 headquarters = Stockholm, Sweden *SAS Group, SAS AB *Scandinavian Airlines… …
23Pressure vessel — Vertical pressure vessels installed in a structure A pressure vessel is a closed container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. The pressure differential is dangerous and many fatal… …
24Chip heater — The chip heater is a single point, tankless, domestic hot water system popular in Australia and New Zealand from c1880s until the 1960s. Examples of this form of domestic water heating are still in current use. The chip heater consisted of a… …
25Environmental Control System — The Environmental Control System of an airliner provides air supply, thermal control and cabin pressurization for the passengers and crew. Avionics cooling, smoke detection, and fire suppression are also commonly considered part of the… …
26California Water Wars — The California Water Wars describes the disputes between Los Angeles, California and the Owens Valley over water rights. The disputes stem from Los Angeles s location in a semi arid area, and the availability of water from Sierra Nevada runoff in …
27Solar energy — is the light and radiant heat from the Sun that powers Earth s climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources… …
28Condensing boiler — A condensing boiler utilizes the latent heat of water produced from the burning of fuel, in addition to the standard sensible heat, to increase its efficiency. Contents 1 Principles of work 2 Usage 3 Efficiency 4 …
29Air 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… …
30heating — I Process of raising the temperature of an enclosed space. Heat can be delivered by convection, radiation, and thermal conduction. With the exception of the ancient Romans, who developed a form of central heating, most cultures relied on direct… …
