Central heating and air conditioning is a forced air system whereby both cooled and humidified air can be delivered through the same ductwork used by hot air, according to the season. It is necessary to have central heating in areas where wintertime is particularly cold. These systems are often run by gas or oil, and [...]
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Heating and Refrigeration Technology
Electric heating can be defined as an electrical appliance that converts electrical energy into heat. The one thing that drives me crazy is that I see some electric heaters advertised as 20% more efficient than another electric heater. The bottom line in all of this is that the amount of BTU’s [...]
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