User:LaverneSchwing
From Design Computation
Revision as of 14:20, 25 December 2018 by LaverneSchwing (talk | contribs)
PTAC systems may be adapted to provide heating in cold weather, either directly by using an electric strip, gas, or other heater, or by reversing the refrigerant flow to heat the interior and draw heat from the exterior air, converting the air.
