Underfloor

Early air-conditioning systems used air-distribution systems with constant volume and variable temperature to control space temperature. In the 1970s, variable-air-volume (VAV) revolutionized how commercial buildings were air conditioned. The market drivers for VAV were increased zone control and reduction in energy consumption. Now, another revolution is underwayductless VAV systems.

Citation: ASHRAE Journal, vol. 45 no. 11, November 2003



Product Code(s): D-20838