NOT KNOWN FACTUAL STATEMENTS ABOUT HEATING AND AIR CONDITIONING SERVICE

Its goal is to offer thermal comfort and ease and acceptable indoor air good quality. HVAC technique style is a subdiscipline of mechanical engineering, based on the concepts of thermodynamics, fluid mechanics, and heat transfer. "Refrigeration" is typically additional to the field's abbreviation as HVAC&R or HVACR, or "air flow" is dropped, as in