New study reveals heat pumps outperform gas and resistive heating, even in sub-zero temperatures found across many parts of British Columbia.
Even in the coldest environment, heat pumps are more efficient than gas heating or electric baseboards, a new study has found.
That gap — and the potential to reduce carbon emissions — has led some to call for a rapid electrification of thousands of gas-heated B.C. homes, two-thirds of which will need their gas heating equipment replaced by 2030. Heat pumps, found the research team, were “sufficient to meet heating loads at much higher efficiency than fossil heating and electric resistance heat alternatives.”
And at the Oak Ridge National Laboratory in Alaska, a cold-climate air-source heat pump found that at minus 25 C, the COP sat at 2.0 — more than double the efficiency of heating with gas. When temperatures dropped to minus 35 C, COP fell to 1.8, still “relatively high,” noted the authors. Polls show Canadians want more energy efficient homes but need education The look into heat pump efficiency comes amid the release of two polls showing a majority of Canadians aspire for more energy efficient living but remain unsure about what the technology can do and how much it will cost.
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