Heat Pump at –3°C: The Truth No One Tells You

Get a Heat Pump Quote: https://tech.referrals.octopus.energy...

Do Heat Pumps Fail in Freezing Weather?

Is Gas Actually Cheaper?

3 Winters With a Heat Pump: What Really Happens in Sub-Zero

Do Heat Pumps Struggle in Winter?

Living With a Heat Pump: 3 Winters Later

How well does a heat pump perform in winter? In this video I test my air-source heat pump at –3°C and share real running costs, COP, noise levels, and heat output during the coldest week of the year.

See how warm the house stayed, how much it cost per day, and how it compares to a gas boiler in freezing weather. This is real-world data from three winters of heat pump use — no sales pitch, just facts.

Keywords: heat pump winter performance, heat pump freezing temperatures, heat pump cost, heat pump COP, heat pump vs gas, air source heat pump review, cold weather heat pump test.

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My system :
Sunsynk 8.8kW Inverter
Longi HiMo 6 430w Panels x 22
16 on NW aspect and 6 on SE aspect
No battery storage

MG5 EV
Vaillant Arotherm Plus 7kW Heat Pump
200L UniStor Cylinder
45L Buffer tank
140sqM Detached 1997 built house
10mm copper microbore pipework downstairs
Installed by British Gas