A mechanical device used to control temperature

A measure of cooling or heating capacity.

A refrigeration rating system usually measured in Btu/h.

A refrigeration or air-conditioning system pump

The measure of static pressure losses from ductwork, fittings, dampers, grilles, and any other devices located in the airstream. ESP listed in the equipment specification charts is the amount of exter [..]

An air-conditioning system that can reverse the direction of refrigerant flow to provide either cooling or heating

An air-conditioning system that can reverse the direction of refrigerant flow to provide either cooling or heating

A rating of the seasonal efficiency of a heat pump unit when operating in the heating mode.

A term which stands for Heating, Ventilation, and Air Conditioning.

The air handler of an air-conditioning system, which contains a heat exchange coil, filters, remote signal receiver and fan and provides conditioned air into the space.