
The heat pump symptoms we hear most
- The air out of my vents feels cool even though the heat is on Reversing valve stuck in cooling, or the system is running on low refrigerant charge
- The outdoor unit is covered in ice and stays that way Defrost control, sensor or reversing valve failure keeping the coil frozen
- My electric bill jumped and the backup heat runs all day Compressor or charge problem forcing auxiliary heat strips to carry the load
- It hums outside but the fan never turns Failed capacitor, contactor or fan motor in the outdoor unit
- The furnace fires up when it is barely cold out Dual-fuel changeover setpoint, outdoor sensor or control board wired or set wrong
Search for it as heat pump repair or heat pump service and you land in the same place: one visit, one written quote.
Safe things to check first
Worth a look before you call — sometimes it saves you the visit.
- 1Check the thermostat: fresh batteries, set to Heat, and the setpoint above room temperature.
- 2Look for a tripped breaker at the panel for the indoor and the outdoor unit, and reset it once only.
- 3Change the filter if it is grey and loaded. Restricted airflow causes freeze-ups and short cycles.
- 4Clear leaves, mulch, snow and ice-melt runoff away from the outdoor unit so air moves through the coil, and check that supply and return vents inside are open.
Independent HVAC company vs the big names
| STM Heating & Air | Big-box repair chains | Handyman listings | |
|---|---|---|---|
| Quote in writing before a wrench comes out | ✓ | ✕ | ✕ |
| Phones answered by people, every day | ✓ | ✕ | ✓ |
| All major brands, gas and electric | ✓ | ✓ | ✕ |
| Independent company, nobody's quota | ✓ | ✕ | ✓ |
| Crews familiar with homes like yours | ✓ | ✕ | ✓ |
The same on every visit
The quote comes first, in writing
Covering 81 cities across Alabama, Georgia, Kentucky and 3 more.Phones answered by people
Open 7 days, 8:00 AM to 5:00 PM ET.Every major brand, gas and electric
Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.Heat Pump Repair — quick answers
Why is my heat pump blowing cool air in winter?
Usually the reversing valve is stuck in cooling mode, the refrigerant charge is low from a leak, or the system is defrosting. Heat pump air is also cooler than furnace air by nature. If it never warms up, call us and we will read the system.
Is ice on the outdoor unit normal?
A light frost that clears during a defrost cycle is normal. A solid block of ice that stays for hours is not. That points to a defrost sensor, board or reversing valve fault, or airflow trouble indoors. Turn the system off and call us.
What is a dual-fuel system and why does mine act up?
Dual-fuel pairs a heat pump with a gas or propane furnace and switches between them by outdoor temperature. Problems usually trace to the changeover setting, a failed outdoor sensor, or thermostat wiring that never matched the equipment. We test the handoff at both stages.
Should I repair or replace an older heat pump?
It depends on the failed part, the refrigerant it uses, and how the rest of the system looks. A capacitor or contactor is a straightforward repair. A failed compressor on an aging unit with a leaking coil is a different conversation. We show you both paths.
How long does a heat pump repair take?
Many electrical and control repairs are handled in one visit once we have found the fault. Refrigerant leak searches, coil work and compressor replacement take longer and may need a parts order. We tell you which category you are in before we start.
My heat pump runs constantly. Is that a problem?
Long run times in cold weather are how heat pumps work, so that alone is not a fault. Constant running while the house never reaches setpoint is. That usually means low charge, a dirty coil, restricted airflow or a compressor losing capacity.
How it works
- Step 1
Tell us the symptom
Call or fill in the quote form and describe what you hear, smell or feel. Warm air, short cycling, a breaker that keeps tripping. That gives us a head start on the likely cause.
- Step 2
We diagnose on site
A technician checks the thermostat, airflow, electrical connections, refrigerant performance and the outdoor unit. We work the crawlspace and the attic too, because ductwork and drainage cause more trouble than people expect.
- Step 3
You decide, then we fix it
We explain what failed, what it takes to repair it, and what we would watch next season. No work starts until you say go. Most repairs finish the same visit when parts are on the truck.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- Mixed heating is normal to usHeat pumps, propane furnaces and dual-fuel setups all behave differently in cold weather. We know how a heat pump should sound in the thirties and when the backup heat is doing too much of the work.
- We go under the houseRed clay crawlspaces hide crushed ducts, sweating lines and standing water. Comfort problems often start down there, not at the unit, so we look before we start replacing parts you may not need.
- Plain explanationsYou get told what broke and why, in words that make sense. If a repair is a short-term patch on an aging system, we say that out loud so you can plan instead of guessing.
- One crew, six statesWe serve homeowners across Alabama, Georgia, Kentucky, North Carolina, South Carolina and Tennessee. Same approach in every one: show up, diagnose properly, repair what needs repairing, leave the space clean.
- All major brands, gas & electricOne independent crew for Carrier, Trane, Lennox, Goodman, Rheem and more.
- Straight answersNot worth fixing? We say that out loud, and often it saves you the visit fee.
Heat Pump Repair
Small faults become big ones on a schedule of their own
Describe the symptoms and we'll book the visit — takes about a minute.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
Rather not call? Get a free quote →
