warm-air heating

warm-air heating

[′wȯrm ¦er ′hēd·iŋ]
(mechanical engineering)
Heating by circulating warm air; system contains a direct-fired furnace surrounded by a bonnet through which air circulates to be heated.
References in periodicals archive ?
The heat source for radiator heating and warm-air heating cases was a boiler.
Benson Heating supplies warm-air heating products for industrial, building and retail sectors.
The ideal partner for a ground source heat pump is (wet) underfloor heating because both work at lower temperatures (warm-air heating is also compatible).
Attractively presented, the three-bedroom house benefits from warm-air heating and double glazing.
Check filters on your warm-air heating system monthly and replace as needed.
A WARM-air heating was popular in 1970s homes and does have plus points - almost instant heat and no radiators taking wall space.
Use 1711 for plumbing, heating and air-conditioning contractors, 7623 for refrigeration and air-conditioning service and repair shops, 3585 for air conditioning, warm-air heating equipment and commercial and industrial refrigeration-equipment manufacture, and 3433 for heating equipment, except electric-and warm-air-furnace manufacture.
Similar warm-air heating systems in the area were switched off, leaving families without heat or hot water.
Often, the same duct system is used for forced, warm-air heating systems and central air conditioners.
Output per employee hour in the manfacture of air conditioning, refrigeration, and warm-air heating equipment rose at an average annual rate of 1.3 percent between 1967 and 1982, compared with 2.4 percent a year for all of manufacturing.