We Are Austin, We Are HVACTrusted Heating & Cooling Services in Austin, TX Since 1977

100% Satisfaction Guaranteed


When a technician arrives at your home they will explain all of your options before starting repairs so you can make decisions before any work begins. You can trust us to perform a professional Heating job.


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When you need Cooling services, trust the experts at McCullough Heating & Air Conditioning. Our technicians have the skills, knowledge, and tools to fix most Cooling problems on the spot.


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When you need Energy Audit services, trust the experts at McCullough Heating & Air Conditioning. Our technicians have the skills, knowledge, and tools to fix most Energy Audit problems on the spot.


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See The McCullough Difference For Yourself

Don’t call a stranger, call McCullough! 100% Satisfaction Guarantee!

  • Austin Energy Registered Contractor
  • Trusted service since 1977
  • 0% Financing for Installs
  • Locally owned & operated

Financing options available

We Live Here, We Give Here! 0% financing for up to 6 years

Join our maintenance plan

Ensure Your Equipment is running smoothly Year-Round

Don’t Miss Today’s Offers

Our Special Time Limited Offers is a great way to save money on your Home services! Contact us today and book An appointment.

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McCullough Heating & Air Conditioning 2620 Buell Avenue Austin Texas 78757
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Lower your energy costs today!

The Inflation Reduction Act is a landmark new law to curb inflation by offering incentives to invest in high-efficiency home improvements, among other things. The act provides you with a 30% credit on the purchase of energy-efficient water heaters and HVAC systems (the two biggest sources of energy usage in your home). Combine this with savings from McCullough, decreased energy bills, and there’s never been a better time to invest in energy efficiency!

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What your neighbors are saying about us

The Team at McCullough Heating & Air Conditioning are known for their friendly personalities, excellent customer service and competitive prices. See what other locals are saying about us.

Rory Dismuke
Rory Dismuke 5.0

Very good experience and went the extra mile to make sure our unit was up and running before he left. Great customer service.

Sharang Wakankar
Sharang Wakankar 5.0

Great for HVAC maintenance. Had to make a major upgrade to the cooling system. The technicians - Dylan and Nick - were very helpful and service was quick and professional.

Shaun Fortney
Shaun Fortney 5.0

Henry Harris is the best. Very professional and walked me through everything. So thorough and I knew something was up with the system that he uncovered and quoted a fix. I am happy to be on their annual plan.

Andrea Franco
Andrea Franco 5.0
Peter Scacco
Peter Scacco 5.0

Excellent all around service!

Tina Peterson
Tina Peterson 5.0

Frank was amazing - came on very short notice. He was great at troubleshooting the issue and worked efficiently to solve it. He communicated clearly along the way and provided a quote before he began the work. A+++++++

Kunal Jindal
Kunal Jindal 5.0

Kyle is very quick to diagnose and a thorough professional. I would highly endorse McCullough. The prices are slightly expensive but the experience with them is seamless.

Minhyo Kang
Minhyo Kang 5.0
Rachel Jew
Rachel Jew 5.0

Our home was very humid, so we called McCullough and Joey came out to inspect our system. Before starting, he listened to our issues and explained his plan to diagnose our issue. When he was finished he was kind enough to explain what he found (the ...thermostat's dehumidifier settings needed to be changed) and he walked us through the steps with patience, answering all of our questions so that we could change the settings ourselves next time if needed. We love McCullough and all of the staff are so patient and respectful.Read More...

Tommy Nobles
Tommy Nobles 5.0

Matt performed the first annual maintenance 🔧on my A/C unit today. Like his initial visit, Matt was very professional with every aspect of his review and informed me of his findings. Unlike previous technicians and HVAC companies, Matt excels in ...communicating very technical issues into clear and concise language. I remain extremely satisfied with Matt and the staff at McCullough. With summer 🏜 around the corner, I literally (and figuratively) feel great about my 🌬unit !!Read More...

Serving the Austin area, TX since 1977

  • Allandale
  • Anderson Mill
  • Austin
  • Barton Creek
  • Brentwood
  • Cedar Park
  • Courtyard
  • Crestview
  • Davenport
  • Ranch
  • Jollyville
  • Lakeway
  • Leander
  • Lost Creek
  • Northwest Hills
  • Oak Hill
  • Pflugerville
  • River Place
  • Rolling
  • South Austin