Heat Pump Repair in Alpharetta, Georgia
A heat pump repair visit in Alpharetta, GA usually costs $250 to $1,200. Where you land depends on the part. A capacitor or defrost sensor sits at the low end, while a reversing valve or defrost control board pushes the bill toward the top.
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Alpharetta Weather and HVAC Load
Alpharetta logs 2,980 heating degree days and 1,728 cooling degree days in a normal year, based on the closest NOAA weather station. Neither season dominates in Alpharetta. That balance is a big reason heat pumps and dual-fuel systems sell well in Georgia. A normal year brings 49 nights at or below freezing and 53 days over 90°F.
| Heating degree days / year | 2,980 |
|---|---|
| Cooling degree days / year | 1,728 |
| Nights at or below 32°F | 49 |
| Days above 90°F | 53 |
| Average low / high | 51.1°F / 71.8°F |
Alpharetta Housing Stock
The median Alpharetta home dates to 1996, according to the Census ACS. That makes the typical house about 30 years old. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. Alpharetta has roughly 17,000 owner-occupied homes, or 68% of households. With a median household income of $146,581 and a median home value of $605,700, local labor rates come out above the national middle in our model.
Between 2020 and 2025, NOAA's Storm Events Database logged 11 hail days and 52 days with damaging thunderstorm winds in Fulton County. The largest hail reported was 1.75 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. Fulton County also had 3 tornado days in that period.
Symptoms Worth a Service Call
- Cool air coming out in heating mode
- The backup heat runs nonstop
- 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
- Which part needs replacing: a reversing valve, defrost board or sensor
- Whether the parts warranty still covers it
- Finding and fixing a refrigerant leak, then recharging
- The diagnostic fee
For Alpharetta we raised the national figures about 41%, 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
- Diagnosis in both heating and cooling mode
- A full test run
- Checking refrigerant pressures
- A defrost cycle test
- Replacing the failed parts
Georgia Licensing and Efficiency Rules
Georgia 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 Georgia the company should carry a state license or registration. Ask for both.
Before You Hire
- 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.
- Book maintenance twice a year, once before summer and once before winter.
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Heat Pump Repair Questions from Alpharetta Homeowners
What does heat pump repair cost in Alpharetta?
Most bills land between $250 and $1,200, including the service call. A typical visit is about $770. 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 Alpharetta
- Johns Creek $250 to $1,200
- Roswell $230 to $1,110
- Dunwoody $220 to $1,090
- Sandy Springs $220 to $1,070
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Atlanta Peachtree Airport; NOAA Storm Events Database 2020-2025, Fulton County. Prices are our estimates, not contractor quotes. Updated 2026.