Part 3: Reading heat-pump efficiency and capacity ratings
Capacity, efficiency and seasonal ratings answer different questions. Use them together with the home’s heat loss and the exact matched...
Part 2: Choosing, Installing, Maintaining, and Operating Air Source Heat Pumps
Cold climate air source heat pumps (CCAHPs) are a specialized type of air source heat pump that operates efficiently in...
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Is 5 ACH50 typical for a house like mine?
A comparison of 1,127 Alberta detached homes shows how whole-home airtightness varies by construction period, and where a result of...