HVAC Repair in Gastonia, NC
Homes here need heat from October through April and cooling from May through September. If your system quits, tell us what it's doing and a licensed contractor who covers Gaston County will get in touch.
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Gastonia runs its system almost year round
Your furnace works October through April here, and your air conditioner takes over from May through September. That leaves almost no month where the system sits idle. Winter nights average 32°F, cold enough that the burner cycles on and off through the night, and each start puts wear on the igniter. When it finally gives out, the furnace won't light at all.
Summer afternoons average 88°F, and that heat leans hard on the compressor and the fan motor that pushes air across the coil. 57.3% of homes here heat with electricity, so when a winter storm knocks out power, the furnace stops with it. Gaston County has seen 67 damaging wind events and 6 winter storms over the past ten years, and across North Carolina a quarter of households lost power for at least a day in 2024. When the power comes back, most systems restart on their own, but if yours doesn't, that's a sign something needs a look.
- 7 months
- October through April, your system heats
- 5 months
- May through September, it cools
- 32°F
- the average winter night it heats against
- 88°F
- the average summer afternoon it cools against

NOAA nClimDiv, 1991–2020 normals
North Carolina requires HVAC contractors to hold a state license.
That license comes from the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors. It belongs to the contractor, not to any single job, so it does not get reissued each time someone comes out to your house. The state tested that contractor before handing it out and keeps a record of who holds one.
For a heating and cooling repair, that license is the thing standing behind the work. It means the person working on your system had to prove they know the trade before North Carolina let them practice it, and there is a file on them if something goes wrong.
Sources: North Carolina General Assembly · North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors
- Why is my heat not working?
- Most often the thermostat is set wrong, a breaker has tripped, or the filter is so clogged the furnace shut itself down to protect against overheating. Check the thermostat is set to heat and a few degrees above room temperature, then check the breaker panel. If the furnace runs but no warm air comes out, or it starts and stops on its own, that points to something inside the unit like the igniter or a flame sensor, and a contractor will need to look at it.
- Why is my system running but not cooling the house?
- If air is coming out but it is not cold, the problem is usually the refrigerant charge or airflow across the coil. A dirty filter blocks that airflow and can freeze the coil, which stops cold air even though the unit sounds like it is working fine. Check the filter first. If it is clean and the air is still warm, the system likely has a refrigerant leak or a failing compressor, and that needs a licensed contractor to diagnose.
- What can I check before calling for HVAC repair?
- Check the thermostat settings and its batteries, the breaker panel, and the air filter. A filter clogged with dust chokes off airflow and causes a lot of the no-heat and no-cool calls people make. Check outside too, since a heat pump or condenser unit needs clear space around it to pull in air. If those all check out and the system still is not working, the issue is inside the equipment and a licensed contractor will need to diagnose it.

