Heat pump defrost cycle - what happens? I thought our heat pump had blown up!

Tom Bray
Tom Bray
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Can heat pumps really work in winter? What happens when it is freezing outside?

We have been living with our heat pump for 2 and a half years now, and now into our 3rd winter. So we have experienced some cold weather.

During cold weather, and on humid days, a heat pump can sometimes start to build up frost on its heat exchanger. That doesn’t mean it stops working, but to make sure it can keep drawing heat from the air, it needs to ‘defrost’ its heat exchanger.

To do this it draws some hot water from the house to melt away any frost.

When I first saw this happen I thought something terrible was happening. I thought the heat pump had blown up! There was steam everywhere! But really, this is a normal part of heat pumps running in cold weather.

In this video, I try to talk you through exactly what is happening.

#heatpumps #heatpumpdefrost
6 ماه پیش در تاریخ 1402/10/11 منتشر شده است.
5,424 بـار بازدید شده
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