Heat pumps · Article
Do heat pumps work at −30°C?
Some cold-climate models are rated to operate at very low temperatures, but 'operates' and 'heats your whole home alone' are different things. The honest answer depends on the specific model and your home.
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- Ontario & Nova Scotia

01
Operating vs meeting the load
A heat pump can keep running at low temperatures while producing less heat than at milder temperatures. What matters is whether its output at your coldest temperatures meets your home's heat loss.
02
How to check a specific model
03
Reducing the gap
Insulation and air sealing reduce heat loss, letting the heat pump cover more of the coldest hours.
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Rebates & financing
Available rebates & financing
Federal, provincial and municipal programs may help with heat pumps, solar, batteries and efficiency upgrades. Eligibility and amounts depend on each program — see current details and official sources.
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