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A Heating & Cooling Outlet / G.M.M.
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Metro Detroit • 614 HVAC profiles
Heat Pump Repair in Metro Detroit
Heat pump not heating, stuck in defrost, iced over or blowing cold? Compare verified repair techs and get free quotes.
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614HVAC profiles
6Metro counties
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Featured heat pump repair pros
Top Heat Pump Repair Pros in Metro Detroit
Featured placement is reserved for verified businesses. Verification records dated checks; confirm current licensing, insurance and written scope with each provider.
A To Z Total Heating & Cooling
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A-OK Cooling & Heating Corporation.
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A&A Extreme Heating and Cooling
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A&H HVAC SERVICES
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AAA Heating & Cooling Inc
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Browse every HVAC company for heat pump repair
Search all 614 published HVAC profiles by city, service and verification status.
Before you hire
Heat pump repair: what to expect
Some heat pump behavior that alarms homeowners is normal in a Michigan winter: steam rising off the outdoor unit during a defrost cycle, air from the vents that feels cool compared to a furnace, and the backup heat running on the coldest nights. What is not normal: the outdoor coil encased in ice for hours, no heat at all, short cycling, breakers tripping, or a loud grinding or buzzing.
Common repairs are a failed capacitor or contactor, a stuck reversing valve, a defrost control fault, a refrigerant leak, an outdoor fan motor, and a clogged condensate drain in cooling season. A technician should check the thermostat and filter first, then electrical components, then refrigerant charge and the defrost cycle. Refrigerant work requires EPA Section 608 certification.
If the compressor fails on a unit past 10 years or the system uses R-22, replacement is usually the better spend; see heat pump replacement.
What a proper job includes
- Thermostat, filter and airflow check
- Capacitor, contactor and control board tests
- Defrost cycle and reversing valve test
- Refrigerant pressure and charge verification by an EPA 608 tech
- Outdoor coil cleaning and drain check
- A written repair-vs-replace comparison on older units
What drives the price
- Diagnostic fee and whether it is credited toward the repair
- Part needed: capacitor vs reversing valve vs compressor
- Refrigerant type (R-410A vs R-454B) and amount needed
- Emergency or after-hours service in winter
- Age and brand of the unit
Rebuild Detroit does not publish price ranges. Get written quotes for the same scope and compare.
Permits and licensing in Michigan
Repairs and part replacement on an existing heat pump do not normally require a permit in Michigan. Refrigerant handling requires an EPA Section 608 certified technician. Replacing the outdoor unit or air handler is permitted mechanical work.
Verify any license on the LARA license lookup. Detroit permits go through BSEED. Read How We Vet.
How to compare quotes
- Ask for the diagnostic fee up front and what it covers.
- Get part and labor separated on the estimate, with the part warranty stated.
- Ask the tech to show you the failed part or the pressure readings.
- If refrigerant is added, ask where the leak is; topping off without a leak search is a short-term fix.
- Ask for a repair-vs-replace comparison on any unit over 10 years old.
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Common questions
Heat Pump Repair FAQ
Heat pump supply air is often 85 to 95 degrees, cooler than a furnace, so it can feel cool but still heats the house. If the house is losing temperature, that is a service call.
A light frost that clears in a defrost cycle is normal. A solid block of ice, or ice that stays for hours, means a defrost or airflow problem.
Often the backup electric heat is running more than it should because the heat pump is undercharged, iced, or the thermostat is set to emergency heat.
Minor repairs yes. Refrigerant leaks are hard to justify since R-22 is no longer produced and is expensive. Plan for replacement.
Most verified pros offer same-day or next-day service in winter. Use the quote form and mark the request urgent.
Get heat pump repair quotes from local pros
Compare verified Metro Detroit HVAC pros and confirm credentials, scope and permits before you hire.