Heat Pump Repair in Carrollton, Texas
Most heat pump repair bills in Carrollton come in between $220 and $1,050, service call included. Summer and winter peaks both bring longer wait times. Spring and fall are the slow seasons.
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Carrollton Weather and HVAC Load
Carrollton logs 2,294 heating degree days and 2,612 cooling degree days in a normal year, based on the closest NOAA weather station. Neither season dominates in Carrollton. That balance is a big reason heat pumps and dual-fuel systems sell well in Texas. On average, Carrollton gets 35 freezing nights and 93 days above 90°F per year. Snowfall averages about 2 inches.
| Heating degree days / year | 2,294 |
|---|---|
| Cooling degree days / year | 2,612 |
| Nights at or below 32°F | 35 |
| Days above 90°F | 93 |
| Average low / high | 55.8°F / 75.8°F |
Carrollton Housing Stock
Census figures put the median build year in Carrollton at 1988, so a typical house here has about 38 years on it. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. Owners live in 58.3% of occupied homes, roughly 30,000 households. The median home value is $353,600, and median household income is $99,115. We use both figures to adjust labor and pricing for this page.
Between 2020 and 2025, NOAA's Storm Events Database logged 53 hail days and 31 days with damaging thunderstorm winds in Denton County. The largest hail reported was 5.9 inches across. Hail flattens the thin aluminum fins on condenser coils and cuts airflow. After a big storm, take a look at the outdoor unit; homeowners insurance often covers the damage. Denton County also had 4 tornado days in that period.
Symptoms Worth a Service Call
- Grinding or loud buzzing from the outdoor unit
- Cool air coming out in heating mode
- The system is stuck in heating or cooling
- Ice builds up on the unit and doesn't melt off
What Moves the Price
- Emergency or after-hours service
- The diagnostic fee
- Finding and fixing a refrigerant leak, then recharging
- Which part needs replacing: a reversing valve, defrost board or sensor
- Whether the parts warranty still covers it
For Carrollton we raised the national figures about 23%, based on local income, home values and climate-based equipment sizing. Get at least three written quotes; real bids can land outside this range.
What the Quote Should Cover
- A full test run
- Diagnosis in both heating and cooling mode
- A defrost cycle test
- Replacing the failed parts
- Checking refrigerant pressures
Texas Licensing and Efficiency Rules
Texas is in the DOE's Southeast region, where new split central air conditioners need at least 14.3 SEER2 (13.8 SEER2 for systems of 45,000 BTU/h and up). Most repairs don't need a permit. Anyone who opens the refrigerant circuit does need EPA Section 608 certification, and in Texas the company should carry a state license or registration. Ask for both.
Before You Hire
- Book maintenance twice a year, once before summer and once before winter.
- Keep two feet clear around the outdoor unit, including snow.
- Light frost on the outdoor unit in winter is normal. A solid block of ice is not.
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Heat Pump Repair Questions from Carrollton Homeowners
What does heat pump repair cost in Carrollton?
Most bills land between $220 and $1,050, including the service call. A typical visit is about $680. Night and weekend calls cost more.
Why is my heat pump blowing cold air?
For a few minutes during a defrost cycle, that's normal. If it keeps going, the usual causes are a stuck reversing valve, low refrigerant or a thermostat set to the wrong mode.
Is it normal for a heat pump to freeze?
A thin layer of frost in winter is normal, and the defrost cycle should clear it. Heavy ice that stays usually means a defrost control or airflow problem.
Heat Pump Repair Near Carrollton
- Lewisville $210 to $1,000
- Plano $230 to $1,120
- Irving $200 to $970
- Grapevine $230 to $1,140
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Richardson; NOAA Storm Events Database 2020-2025, Denton County. Prices are our estimates, not contractor quotes. Updated 2026.