Texas HVAC Pros
Aerial view of a square outdoor air conditioning condenser unit on a concrete pad beside a house wall with a sliding glass door.

HVAC Repair in McAllen, TX

Homes here need heat from December through January and cooling from February through November. If your system quits, tell us what it's doing and a licensed contractor who covers Hidalgo County will get in touch.

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Step 1 of 3: Equipment
Aerial view of a gray outdoor air conditioning condenser unit mounted on a concrete pad next to a house with vinyl siding.

Ten months of cooling a year wears on the parts that keep you cold

Your air conditioner runs from February through November here, with summer afternoons averaging 97°F. That is ten months of asking the compressor and the outdoor fan motor to keep up with heat, and it is why those parts tend to be the ones that give out.

Winter is short, just December and January, with nights averaging 51°F. A furnace or heat pump that sits idle most of the year still has to start reliably on the coldest nights, and most homes here heat with electricity, so that system depends on power staying on. Hidalgo County sees wind events most years, and in 2024 a third of Texas households lost power for 24 hours or more. A heating or cooling system that does not come back on cleanly after an outage can leave a home without either right when it is needed.

2 months
December through January, your system heats
10 months
February through November, it cools
51°F
the average winter night it heats against
97°F
the average summer afternoon it cools against
Isometric cutaway illustration of a house interior showing ducted air handling equipment, ceiling ducts, furniture in two rooms, and an outdoor condenser unit connected by lines outside the wall.
Your system heats December through January and cools February through November.

NOAA nClimDiv, 1991–2020 normals

Texas requires HVAC contractors to hold a state license.

The Texas Department of Licensing and Regulation tests HVAC contractors and keeps their records. The license belongs to the contractor, not to any one job, so the same license that covers a new installation covers a repair call. The state has already checked that this person or company met its standard before they show up at your door.

For a repair on a heating and cooling system, that license is what stands behind the work. It is not tied to this one job or this one visit. It is the record that this contractor met the state's standard before ever taking the call.

Source: Texas Department of Licensing and Regulation

Why is my heat not working?
Most likely something electrical is stopping it, since 90.6% of homes here heat with electricity. Check your breaker panel first, since a tripped breaker is the simplest fix. If the thermostat display is blank or acting strange, that points to a power problem rather than the furnace or heat pump itself. If power looks fine and the system still won't run, a contractor needs to check it, since it only has to work for a couple of months a year and problems can sit unnoticed until that first cold night.
Why is my system running but not cooling the house?
Start with the filter. A clogged filter chokes off airflow, and when that happens the coil inside can ice over, so the system runs but blows warm air. Check your outdoor unit too. If the fan isn't spinning or the area around it is blocked, the system can't shed the heat it's pulling out of your house. With afternoons here reaching 97°F, a system that's low on refrigerant or has a failing part will struggle to keep up, and that needs a contractor to check with gauges, not something you can diagnose by looking at it.
What can I check before calling for HVAC repair?
Check the thermostat batteries and the setting itself, since a dead battery or a setting bumped to the wrong mode causes more no-heat and no-cool calls than people expect. Check your breaker panel, since a tripped breaker will stop the system cold with no other sign anything is wrong. Look at the filter and replace it if it's gray or clogged, since restricted airflow is behind a lot of the complaints people call about. If you've been through a storm, and this area sees plenty of damaging wind, check that the outdoor unit isn't blocked by debris or knocked out of position before calling anyone out.