Everyday questions about heating, cooling and indoor comfort.

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Heating Systems

Residential outdoor heat-pump unit with a light realistic plume of water vapour on a cold morning, clear surrounding space, no smoke or flames.
Heating Systems

A Heat Pump Can Make Steam During Defrost

Understand why an outdoor heat-pump unit may release steam during defrost, and distinguish observations from faults requiring a technician.

· 2 min read