Small Retail Store Packaged Equipment
(CAV)

Packaged Equipment (CAV)

The most basic of direct expansion systems, employing a single duct (or direct blow) of constant volume, variable temperature air to heat and cool the space. Usually consisting of a direct expansion (DX) refrigeration system and either gas or electric resistance heating coils along with filters and controls all integrated into a single package. Packaged systems are the most widely used system in commercial buildings today and are applicable for schools, retail stores, offices, medical facilities and other multi-use areas. Packaged systems are pre-engineered and pre-tested and require relatively simple installation procedures consisting of placing the unit, attaching ductwork, electrical and piping and the system is complete. The primary reason packaged units are so widely applied is due to their relatively low first cost and installation cost.

This system requires the following components: