AC Repair Cost in Houston, TX (2026): Common Fixes and Prices
Short answer: AC repair cost in Houston averages about $345, with most jobs between $128 and $1,972 [1]. A capacitor runs about $150–$450 [1][3], a refrigerant leak repair $250–$1,500 [1][2][3], and a compressor $900–$3,500 [1][3].
Houston air conditioners work harder than most. Normal daily highs at Bush Intercontinental are 92–95°F from June through August, and normal summer lows stay around 74–76°F, so many systems run day and night [4]. Add Gulf humidity, attic air handlers and storm-season power outages, and parts wear out faster. Below are 2026 Houston prices from three sources that publish Houston figures, side by side where they disagree.
| Repair | Typical cost in Houston (parts + labor) |
|---|---|
| Average AC/HVAC repair | $345 average; $128–$1,972 range [1]. Most jobs $150–$900, about $345 average [3] |
| Diagnostic / service call | $75–$150 [2][3]; some companies charge a $150–$380 dispatch fee, credited if you proceed [1] |
| Capacitor replacement | $200–$450 [1]; $150–$300 [3]; capacitor or contactor $150–$400 [2] |
| Contactor replacement | $150–$500 [3]; $150–$400 [2] |
| Refrigerant recharge | $420–$760 [1]; $200–$600 [2]; R-410A $300–$500 [3] |
| Refrigerant leak find + repair | $270–$1,500 [1]; $250–$1,500 [2][3] |
| Condensate drain line clearing | $200–$390 [1]; $100–$300 [2]; $100–$400 [3] |
| Blower or fan motor | $200–$1,200 [1]; blower motor $400–$1,200 [2]; ECM blower $400–$900 [3] |
| Thermostat replacement | $280–$650 [1]; $100–$250 standard, $200–$500 smart [2]; $150–$600 [3] |
| Expansion valve (TXV) | $300–$500 [1]; $450–$900 [3] |
| Evaporator coil replacement | $1,350–$2,600 [1][3]; $1,300–$3,500 [2] |
| Compressor replacement | $900–$3,200 [1]; $1,200–$3,200 [2]; $1,200–$3,500 [3] |
Labor runs about $75–$150 an hour per Angi [1] and $95–$210 an hour per one Houston company [3], though most companies quote a flat price per repair [1][3]. For the statewide picture, see our AC repair cost in Texas guide.
Houston climate and what it does to your AC
- Long, hot season. Normal highs at Bush Intercontinental are 92.3°F in June, 94.5°F in July, 94.9°F in August and 90.4°F in September (1991–2020 normals). The airport's record is 109°F [4].
- Warm nights. Normal lows in July and August are about 75°F [4], so the system gets little rest overnight.
- Humidity and drains. High humidity means more condensate, and drain clogs and mold are common Houston service calls [2]. A clogged drain is one of the cheapest fixes in the table, but if it overflows it can damage ceilings.
- Storms and power outages. One Houston company says power surges when service comes back after long outages often take out contactors, capacitors or control boards, and that flooded condensers can need a new fan motor [3].
What moves the price
- Peak season and after-hours calls. Priority or after-hours service usually adds 50% to 100% [1].
- Refrigerant type. Older R-22 systems cost more per pound to recharge than R-410A systems [2]. One Houston guide puts R-22 at $175–$250 a pound and R-410A at $50–$100 a pound installed [3].
- Attic access. Coil and air handler work is slower in hot attics and closets, which adds labor [2].
- Warranty. Compressor coverage under a manufacturer warranty can cut the bill a lot [2].
Houston permit notes
The City of Houston says a permit is required for the installation, repair or replacement of a condensing unit. Its listed fee is 2% of the job value plus $47 and a $33.56 admin fee; it needs plan review and inspection and is valid for 180 days [5]. A full new system (all equipment and ductwork) is permitted at $11.41 per ton plus $47 and the $33.56 admin fee [6]. Angi notes most small part swaps don't need a permit [1]. The contractor must register its state license with the city to pull these permits [5][6]. Outside Houston city limits, check with your own city.
Repair or replace?
If a single repair costs more than half the price of a new system, replacing is usually the better move, and Houston systems often last about 10–15 years [3]. Compare against our AC replacement cost in Texas guide. If the AC runs but won't cool, start with our checklist on what to do when your AC isn't cooling (written for Dallas, but the steps are the same in Houston).
Checklist before you approve a repair
- Ask if the diagnostic fee is credited toward the repair [1][2].
- Ask whether the price is flat-rate or time and materials [1].
- Get the part, labor and refrigerant (pounds and type) listed separately.
- For a compressor, coil or anything near the replacement threshold, get a second quote.
- Texas AC contractors must hold a TDLR license. Here's how to check one.
Want a real number for your system? Get a free quote from local Texas pros.
FAQ
How much is an AC service call in Houston?
Most Houston diagnostic fees run $75–$150 [2][3]. Angi reports dispatch fees of $150–$380 at some companies, usually credited toward the repair if you go ahead [1].
Does AC repair need a permit in Houston?
The City of Houston lists a permit for the installation, repair or replacement of a condensing unit (the outdoor unit) [5]. Angi says most minor part swaps and maintenance don't need one [1]. Ask the company to confirm, and to pull any permit it needs.
Why does AC repair cost more in Houston in summer?
Demand peaks in the heat, and priority or after-hours service usually adds 50% to 100% to standard rates [1]. Normal highs at Bush Intercontinental are above 90°F from June through September [4].
Should I repair or replace my Houston AC?
One Houston guide uses a 50% rule: if one repair costs more than half the price of a new system, replacing usually makes more sense [3]. It also puts Houston system life at about 10–15 years because of the long cooling season [3].
How much does an AC refrigerant leak repair cost in Houston?
Finding and fixing a leak plus a recharge runs about $250–$1,500 [2][3], or $270–$1,500 per Angi's Houston data [1].
Sources
- Angi, How Much Does HVAC Repair Cost in Houston, TX? (updated May 5, 2026)
- HTX Air Conditioning, AC Repair & HVAC Pricing & Cost Guide, Houston, TX (2026)
- 75 Degree AC, AC Repair Cost Houston 2026
- National Weather Service Houston/Galveston, Houston IAH Extremes, Normals and Annual Summaries (1991–2020 normals)
- City of Houston, Houston Permitting Center: Condensing Unit permit (HPWCODE1022)
- City of Houston, Houston Permitting Center: New Complete System permit (HPWCODE1024)
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