Start here · Essential guide
Heat Pump Won't Cool: Causes and Fixes
Heat pump running but not cooling? Check thermostat settings, filter, outdoor unit and ice first, and learn which problems need a licensed HVAC technician.
Heating & Cooling
8 guides, starting with Heat Pump Won’t Cool: Causes and Fixes.
Start here · Essential guide
Heat pump running but not cooling? Check thermostat settings, filter, outdoor unit and ice first, and learn which problems need a licensed HVAC technician.
Ice on a heat pump in summer usually means airflow or refrigerant trouble. Learn how to thaw it safely, what to check, and when to call an HVAC pro.
Heat pump turning on and off every few minutes? Learn what short cycling is, the common causes, simple checks to try first, and when to call an HVAC technician.
A rattling heat pump is often loose panels, debris or a worn fan, but it can signal bigger issues. Learn safe checks, what each noise means, and when to call.
Blank screen or a heat pump that won't respond? Check batteries, breakers, mode and settings, learn how to spot a bad thermostat, and when to call a pro.
Warm air, ice, hissing and longer run times can point to low refrigerant. Learn the signs, look-alike problems, safe checks, and why a pro must handle it.
Vapor rising from your outdoor heat pump in cold weather is often the defrost cycle. Learn what's normal, what isn't, how to tell steam from smoke, and what to do.
A new heat pump that keeps tripping its breaker needs attention. Learn common causes, what is safe to check, and when to call your installer or an electrician.
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