Tag: heat pump defrost cycle

Outdoor heat pump coil covered in thick ice, a sign heat pump defrost mode is not working

Heat Pump Defrost Mode: Why It Steams, Stops, and Blows Cooler Air

November 2, 2026

Aire One East Heating & Cooling Heat Pump Defrost ModeWhat Is Normal and What Is Not Why your heat pump steams, stops, or blows cooler air in winter, how often it should defrost, and when ice means a problem Steam Is NormalIce Warning SignsDurham Region …

1910 Dundas St E #117
Whitby, ON-L1N 2L6

info@aireonedurham.ca

905-576-7600

Serving Whitby, Oshawa, Ajax, Pickering, Courtice, Bowmanville, Port Perry and Uxbridge — L1M, L1N, L1P, L1R, L1G, L1H, L1J, L1K, L1L, L1S, L1T, L1Z, L1V, L1W, L1X, L1Y, L1C, L1E, L9L, L9P, L0C — and beyond.