Heat pumps and electric heating; residential, commercial, industrial year-round air conditioning
AMBROSE, E.R.
Heat pumps and electric heating; residential, commercial, industrial year-round air conditioning - N.Y. 1966 - 205p
HEAT PUMPS
AIR CONDITIONING ELECTRIC HEATING HEAT PUMPS
697.324 A45H
Heat pumps and electric heating; residential, commercial, industrial year-round air conditioning - N.Y. 1966 - 205p
HEAT PUMPS
AIR CONDITIONING ELECTRIC HEATING HEAT PUMPS
697.324 A45H