Tagged: COP

Cold-climate heat pumps use vapour injection and smarter defrost logic to hold output as it gets colder outside. The rating tells you the equipment can keep working, not that it'll be cheap to run at minus fifteen.

The honest answer is "it depends on your local gas and electricity prices" — but here's the framework for working it out for your own home, instead of trusting a marketing brochure's number.

A heat pump doesn't create heat from electricity the way a bar heater does — it moves existing heat from one place to another. That distinction is why it can deliver 3–5x more heating energy than the electricity it consumes.