HVAC Repair in Houston, TX
HVAC repair in Houston, TX — cooling, heating, ductwork and thermostats. Licensed technicians, honest price ranges, same-day appointments. Call now.
Calls answered 7:00 AM – 9:00 PM CT, 7 days a week
Quick answer: HVAC repair means the whole system, not just the cooling side — the outdoor condenser or heat pump, the indoor furnace or air handler, the ductwork in your attic, and the thermostat that runs it all. One call to +1 (254) 256-1678 gets a licensed Houston technician who diagnoses the complete system, quotes a flat price for the failed part, and repairs it — usually the same day.
Every part of the system, one call
Cooling
Condenser, compressor, coils, refrigerant circuit, capacitors, contactors, fan motors.
AC unit repair →Heating
Gas furnaces, electric air handlers, heat pumps, igniters, flame sensors, heat exchangers.
Furnace repair →Airflow & ducts
Blower motors, duct leaks, crushed or disconnected runs, vent and return problems.
Duct repair →Controls
Thermostats, control boards, relays, sensors and low-voltage wiring faults.
System diagnosis →Because Houston homes almost always run a combined system — the same blower and ducts serve heating and cooling — a whole-system diagnosis finds faults that a cooling-only look misses. Weak airflow in summer and a furnace that short-cycles in January are often the same failed blower motor or the same leaky return duct.
Signs you need HVAC repair
- Some rooms never reach the set temperature while others are fine
- The system runs constantly but the house stays humid and warm
- New noises: grinding, squealing, banging at startup, buzzing from the outdoor unit
- Short cycling in either heating or cooling mode
- Musty or burning smells when the system starts
- The thermostat display is blank, or the system ignores it
- Electric or gas bills climbing month over month with no rate change
- Visible rust, water stains or ice anywhere on the equipment
What the technician checks
A full HVAC diagnosis follows the path of the air and the electricity: thermostat call → control board → blower → duct static pressure → refrigerant circuit → outdoor unit → condensate drainage. Each step has a measurement, not a guess: amp draws, capacitor microfarads, temperature split across the coil, manifold pressures, and a visual inspection of the heat exchanger on gas furnaces. You get the failed part identified and a flat written price before any replacement begins.
Houston's HVAC workload is different
The design temperature for Houston is around 95°F, but heat waves push past 100°F for weeks, and humidity stays high from April through October. Systems here run 2,500 or more cooling hours per year — among the highest duty cycles in the country — while still needing to heat reliably through occasional hard freezes. That combination kills capacitors and fan motors early, clogs condensate drains, and corrodes electrical connections. It is also why attic-mounted systems in Cypress, Katy and The Woodlands age faster: the equipment sits in 130–150°F air all summer.
What HVAC repair costs in Houston
| Repair | Typical Houston range | Note |
|---|---|---|
| Diagnostic / service call fee | $75–$200 | Often credited toward the repair |
| Capacitor replacement | $100–$400 | |
| Blower motor replacement (PSC) | $300–$900 | |
| Blower motor replacement (ECM) | $600–$1500 | |
| Control board replacement | $300–$900 | |
| Compressor replacement | $1300–$2800 | |
| Furnace igniter / flame sensor | $150–$450 |
Ranges aggregated from HomeGuide, Angi and HomeAdvisor cost guides and Houston-area contractor pricing pages, collected October 2026.
Exact price only after diagnosis — call +1 (254) 256-1678. Full list on the Houston AC repair cost page.
Brands serviced
Partner technicians repair all major residential brands installed across Greater Houston: Trane, Carrier, Lennox, Goodman, Rheem, Ruud, American Standard, Bryant, York, Daikin and Amana — split systems, package units, heat pumps and ductless mini splits. OEM and OEM-equivalent parts are stocked for the most common models, and Houston supply houses carry same-day parts for the rest.
Frequently asked questions
What counts as an HVAC repair vs an AC repair?
HVAC repair covers the entire system: cooling, heating, ventilation, ductwork and controls. AC repair is just the cooling side. If your heat works but cooling does not — or vice versa — the fault is in one subsystem; if airflow is weak in both modes, the problem is usually the blower or ducts, which are shared.
How much does HVAC repair cost in Houston?
The diagnostic visit runs $75–$200. Common repairs: capacitor $100–$400, blower motor $300–$900 (PSC) or $600–$1,500 (ECM), control board $300–$900, compressor $1,300–$2,800, furnace igniter or flame sensor $150–$450. Exact pricing is confirmed after on-site diagnosis.
Can one company handle both my AC and my furnace?
Yes — and it should. In most Houston homes the furnace or air handler shares the blower, control board and ductwork with the AC, so a technician who only looks at the cooling side can misdiagnose airflow and electrical problems. Every partner technician is licensed for the full system.
How often should an HVAC system be serviced in Houston?
At least once a year before cooling season (March–April), and ideally a second check before the short heating season. Houston systems run 2,500+ cooling hours per year — roughly triple the national average — so annual service here does the work of three years of service up north.
Why is my energy bill so high if the system seems to work?
A system can cool the house while wasting 20–40% of its energy: low refrigerant charge, a dirty coil, leaking ducts in a 140°F attic, or a failing capacitor that makes the compressor draw excess amperage. A diagnostic visit measures amp draw and refrigerant charge and finds the waste.
Need AC repair today?
Call now and we will connect you with a licensed Houston HVAC technician. Exact pricing is confirmed after on-site diagnosis — no surprises.