TY - RPRT TI - An analysis of electrical energy usage in Air Force houses equipped with air-To-air heat pumps AU - Achenbach, Paul R AU - Davis, Joseph C PY - 1961 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 7079 DO - 10.6028/NBS.RPT.7079 ER -