Trusted Heating & Cooling Services in Austin, TX Since 1977

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We Live Here, We Give Here! 0% financing for up to 6 years
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Experience the McCullough Difference

More Than a Service Call—Comfort You Can Count On
  • Trusted Service Since 1977
  • Expert Installation & Quality Repairs
  • Flexible Financing & Satisfaction Guarantee
  • Reliable, Local, Transparent Service
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Don’t Miss Today’s Offers

New Carrier AC & Heating system
as low as $72/month-$2.40 a day-Up to $450 Cash Back
+ Potential Federal Tax Credits
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Expires: 3/31/2025

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Proudly Serving Austin and the Surrounding Areas

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Ensure Your Equipment is running smoothly Year-Round
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WHAT YOUR NEIGHBORS ARE SAYING ABOUT US

2 days ago
Ramon Alvarez
Mitchell was so professional, and patient to address questions about our new system. Very clear and thorough explanations to me and my partner. Made programming adjustments to reduce winter heating bill and gave easy-to-follow advice on keeping the system in top shape.
3 days ago
Kristian Poscic
Very happy with the services. Dillon was great, he knew what he was doing.
3 days ago
Linda Zeccola
Very helpful technician
4 days ago
Sam
thank you, Kyle Stirling, for the excellent service. We’ll definitely use McCullough again. Best Austin HVAC 👆
4 days ago
J P
McCullough came out on Fourth of July to help us with our Hvac. Wonderful work by Nick. Thank you.
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