00000nam##2200000za#4500 9.574696 CaOODSP 20210624184317 cr ||||||||||| 150406|2012||||xxc|||||o f|0| 0 eng|d 978-1-100-21025-4 CaOODSP eng n-cn--- M143-2/9-2012E-PDF Canada. Natural Resources Canada. Office of Energy Efficiency. Heating with gas [electronic resource] Revised October 2012 Ottawa - Ontario : Natural Resources Canada. 2012. 60p. tables, photographs Home heating and cooling series A wide range of efficient equipment is available, and comparing options can be rather complex. This document will help you make the right decision, whether you are selecting a system for a new home, replacing a system in an existing home or upgrading your present system. 13-11 2013-03-15 Heating gcpds Le chauffage au gaz (CaOODSP)9.604432 Heating with gas (CaOODSP)9.620372 Home heating and cooling series. (CaOODSP)9.504864 http://publications.gc.ca PDF 1.30 MB https://publications.gc.ca/collections/collection_2013/rncan-nrcan/M143-2-9-2012-eng.pdf