Emergency A C Repair, Tune Ups & New Installs


Special Offers

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5-star Reviews

We have HIGH RANKINGS for air conditioning repair and ac installation.


Don't Get Burned

FREE 2nd Opinion. Call before committing to major HVAC repair or new AC installation.


Need Help NOW?

Call 512 280-0011 or fill out our form to

Fast, 24-hour service from HVAC experts that can repair all makes
and models
of air conditioning and heating equipment.

Central Heating & AC Repair, Replacement & Maintenance

We Work on Your Heating & AC System Like it is Our Own.


Buying good equipment is only part the equation.

Hiring the right company to configure install and fine tune your equipment is the key to getting the best out of your home comfort system. We have highly technical install teams to set up your system correctly.


Signup for our mailing list to receive $25 OFF any heating or cooling repair. No other discounts apply. Not valid on prior estimates. Limit 1 per customer.

  • Austin Air Conditioning Services

    At McCullough, our skilled team can meet your needs, no matter how complex the issue. We will explain all of your repair and replacement options so you can make an informed decision.

  • Great Technical Skill

    Pinpointing heating or cooling system problems and properly fixing them takes skill and knowledge of not only the mechanical systems but also an understanding of HVAC airflow (volume, velocity, and area) and thermodynamics. 

  • Security & Peace-of-mind

    Ensure your HVAC system is running efficiently and smoothly with our seasonal preventative maintenance inspection service - McCullough Comfort Club 

Latest News & Videos

We service all brands of central air conditioners, heat pumps and furnaces

CarrierMitsubishi ElectricEmersonJanitrolTraneLG
ArmstrongClimate MasterFriedrichWhirlpoolWeatherKingLuxaire
Aire-FloColemanFrigidaireLennoxFeddersICP Brands
AmanaComfort MakerGeneral Electric (GE)PayneRheem
American StandardDaikinGoodmanWhite WestinghouseWaterFurnace

Service Areas

Our professional staff will respect your time and home by focusing on delivering superior service without cutting corners. Serving the Greater Austin area since 1977, we can repair every major brand of HVAC. Let our experience work for you.

We service all or parts of:

Austin, Round Rock, Cedar Park, Pflugerville, Rollingwood, Leander and Georgetown, Lost Creek, Steiner Ranch, River Place, Jester Estates, Tarrytown, Great Hills, Balcones, Andersonmill, and Westlake Hills

If you don’t see your location or have a question,
please call us at (512) 280-0011.


*WAC = With Approved Credit. Some restrictions may apply. Financing available through Velocity Credit Union and Austin Energy.