00000nas##2200000za#4500 9.504832 CaOODSP 20200325130523 cr ||||||||||| 150406c1996||||xxc|| m o||||f| |0eng|d CaOODSP eng n-cn--- M91-23E-PDF Canada. Natural Resources Canada. Office of Energy Efficiency. Home heating and cooling series [electronic resource] Ottawa - Ontario : Natural Resources Canada. The guides in this series explain how to save energy when heating and cooling a home. Air conditioning, heating and cooling with a heat pump, heating with gas, using a heat recovery ventilator, and other topics are discussed in simple, accessible language. Série sur le chauffage et le refroidissement résidentiels (CaOODSP)9.501236 Home heating and cooling series (CaOODSP)9.514777