Forced-air Gas - Wikipedia
A forced-air gas furnace, non-condensing type. Forced-air gas heating systems are used in central air heating/cooling systems for houses. Sometimes the system is referred to as "Forced hot air The duct work supplying the hot air (and sometimes cool air if an AC unit is tied into the ... Read Article
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Forced-air - Wikipedia
A forced-air central heating system is one which uses air as its heat transfer The supply plenum directs air from the central unit to the rooms which the system is designed to heat. Like any other kind of central heating system, thermostats are used to control forced air heating systems. ... Read Article
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Air Conditioners: How To Choose A Cooling System
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