HVAC

(redirected from Warm-air heating system)
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HVAC

Heating, ventilation, and air conditioning.

References in periodicals archive ?
In the heating season, water-based systems required 43% lower auxiliary exergy input than the warm-air heating system without heat recovery and 68% lower auxiliary exergy input than the warm-air heating system with heat recovery.
Check filters on your warm-air heating system monthly and replace as needed.
Similar warm-air heating systems in the area were switched off, leaving families without heat or hot water.