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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

Family Owned and Operated – Providing Home Comfort Solutions since 1977.

We Service, Repair, Maintain & Install with Integrity.

We Work on Your System Like it is Our Own.


We repair and maintain all brands of Air Conditioning and Heating units. We are a Factory Authorized Dealer for Carrier. Our home comfort specialists can introduce you to their award-winning line of HVAC units to find the right fit for your home.


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.

We Love our Customers, and They Love Us.

We are fully dedicated to our customers. When you call McCullough, there is no need to worry. We’re problem solvers. We’re dependable. We’re honest. Check out what our users are saying about Us!

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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.

Request Service Appointment

We service all or parts of:

Austin, Round Rock, Cedar Park, Pflugerville, Lost Creek, Rollingwood, Leander, Steiner Ranch, River Place, Jester Estates, Tarrytown, Westlake Hills, Lakeway, Spicewood, Dripping Springs, Buda, and Georgetown.

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

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