Calls for AC repair in League City, TX come mostly from a fast growing suburb of newer subdivisions, close enough to the bay that coastal rules apply. Two things set League City apart: the state windstorm program reaches into its backyards, and your electricity may be delivered by either of two utilities.
Houston Air & Heating is the free number behind this page, not a contractor. The automated assistant that answers asks a few questions about your heating or cooling, then sends the call on to an independent HVAC company serving homes around League City. That company inspects the system, tells you what it will cost and does the work, and you settle up with it directly.
League City: from Butler's Ranch to a NASA suburb
George Washington Butler brought his family from Louisiana in 1854 and started a cattle operation where Chigger Bayou meets Clear Creek. For years the settlement was known as Butler's Ranch or simply Clear Creek. According to a Texas House resolution honoring the Butler family, Butler persuaded Galveston financier J. C. League to buy land nearby and lay out streets, and the town took League's name.
It stayed a small farm and ranch town until NASA's human spaceflight center rose in nearby Clear Lake in the 1960s. Then the subdivisions came, and they kept coming. The Census Bureau counted roughly 114,000 residents in 2020 on about 51 square miles, and most homes are owner occupied.

TNMP or CenterPoint: which one serves your League City street?
In most Houston suburbs, one utility delivers power to every house. League City is different. It sits on the dividing line between Texas-New Mexico Power, known as TNMP, and CenterPoint Energy, and the 77573 ZIP code is split between them. Depending on your address, either company owns the wires to your meter.
That matters in two practical ways. First, during an outage you report it to the delivery utility, so find its name and outage number on your bill now, before a storm. Second, if a utility efficiency program helps pay for a new system, the program depends on which utility serves you. Whichever it is, Texas retail choice lets you buy power from the retail provider you pick, and neither the utility nor the retailer services air conditioners. When lights and outlets work but the AC sits silent, the fault lies in the cooling equipment itself.
| Situation | Who handles it |
|---|---|
| Power out on your street | Your delivery utility, TNMP or CenterPoint, as named on your bill |
| Bill, rate or plan question | Your retail electric provider |
| Power on, AC not cooling | An HVAC company |
| Gas smell in the house | Everyone outside, then call 911 or the gas company's emergency number |
| Carbon monoxide alarm | Leave the house and call 911 |
Galveston County's windstorm program reaches the AC unit
Galveston County is one of the fourteen first tier coastal counties that the Texas Department of Insurance treats as a designated catastrophe area. Most people think of that as a roofing rule. It covers more than the roof.
What is inspected
TDI's program materials list air conditioner units and other mechanical equipment among the items that need certification, along with roofs, windows and garage doors.
What the inspector wants
An outdoor unit fastened down so it stays put in hurricane winds. TDI's rules for equipment call for a pad large enough that the condenser rests fully on it with room for the anchors.
What you get
After a TDI inspector or an appointed engineer approves the work, TDI issues a WPI-8 certificate of compliance, which TWIA generally requires before it will write wind and hail coverage.
What to ask before a League City replacement
Because so much of League City was built in the last few decades, many homes are reaching the age when the original system gives out. A replacement here involves a few questions that an inland buyer might not think of.
- Will the outdoor unit be anchored to the windstorm standard? Ask for it in writing if your home is on the Galveston County side.
- Who arranges the windstorm inspection? Find out whether a TDI inspector or an appointed engineer will look at it, and when.
- Will I get the certificate? Keep the WPI-8 with your insurance papers. TDI keeps a searchable record of issued certificates too.
- Does the job need a city permit? Ask the company whether it will pull any City of League City permit and schedule the inspection.
- Was the house measured for size? A load calculation, rather than copying the old unit's tonnage, catches changes like new windows or an enclosed patio.

A few checks while you wait
Look at the thermostat first: Cool mode, a setting below the current temperature, and working batteries. Pull the filter and hold it up to a light; if you cannot see through it, replace it. A tripped breaker for the AC may be reset one time, and if it trips again it stays off. Outside, rake grass clippings and leaves away from the condenser. If water is pooling near the indoor unit, our page on an AC leaking water explains the usual causes. Leave refrigerant, wiring and anything behind a panel to the technician.
Why League City homeowners call the line
Many first systems wearing out
A city that grew this fast has thousands of homes whose builder installed equipment is aging together. The free line connects you to a local company the day you need one, at whatever hour that is.
Coastal questions answered first
This page lays out the windstorm anchoring and certificate questions, so you can raise them with the company before you agree to a replacement.
No charge from the line
The call is free. Pricing comes from the company, payment goes to the company, and nothing passes through the line.
A license you can look up
The site explains how to search a company's Air Conditioning and Refrigeration license on the TDLR website before anyone opens your system.
Services League City homes ask about most
In July and August most calls are for AC repair. For homes whose original system is near the end, read about AC installation and replacement and the guide on repairing or replacing an AC. Book a spring HVAC tune-up to get the coil and the anchoring looked at, and many newer homes heat with a heat pump or gas furnace covered under heating repair.

AC Repair in Houston
Warm air, a unit that hums but will not start, ice on the lines or a tripped breaker. How a careful diagnosis works in Houston heat and what to ask before you approve a repair.

AC Installation and Replacement
Why a load calculation matters more than the brand, what a complete replacement quote lists, and permits in Houston.

Heating Repair (Heat Pumps and Electric Heat)
Heat pumps blowing cool air, aux heat running all night, electric heat strips that quit. How Houston homes heat and what goes wrong before a freeze.

HVAC Tune-Up and Maintenance
How often to service an AC and furnace on the Gulf Coast, when to book it, and the filter and drain habits that matter most in humid heat.
How a League City call works
- Dial the numberAn automated assistant picks up (832) 662-4107 at any hour and asks what you need help with.
- Say what is wrongTell it whether the trouble is cooling or heating, where in the Houston area you are, and what the system is doing.
- Reach a local companyYour call is transferred to an independent, locally owned HVAC company, which gets a short summary of your problem before it answers.
- Work it out with themThat company inspects, quotes, repairs and bills you directly. If nobody can pick up, your name, number and problem are passed on for a call back.
About this line: Houston Air & Heating is a free phone line, not an HVAC contractor. It answers your call and connects you with an independent local heating and air conditioning company, which inspects, quotes and does the work, and which you pay directly. Companies may pay a referral fee. You never pay the line. Read how the line works.
Verify the license before work begins. Texas requires anyone contracting to do air conditioning, refrigeration or heating work to hold an Air Conditioning and Refrigeration (ACR) Contractor license from the Texas Department of Licensing and Regulation (TDLR). Ask the company for its ACR license number, then confirm it on the TDLR license search (opens in a new tab). The line does not check this for you.
Nearby areas and guides
Every Houston-area community the line serves:
