Trusted Heating & Cooling Services in Austin, TX Since 1977

100% Satisfaction Guaranteed
STILL Locally Owned and Operated
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512-280-0011
0% financing for 72 Months with approved credit

Our Services

Heating

Our heating services are designed to keep your home comfortable and efficient throughout the colder months. We provide expert solutions that ensure reliable performance and energy efficiency. Trust us to handle all your heating needs with professionalism and care.

Air Conditioning

For reliable cooling services, trust the experts at McCullough Heating & Air Conditioning. Our skilled technicians are equipped to handle all your cooling needs, ensuring your home stays comfortable, efficient, and cool during even the hottest months.

Home Energy Audits

For comprehensive home energy audits, trust the experts at McCullough Heating & Air Conditioning. We'll thoroughly assess your home’s energy efficiency, identify areas for improvement, and provide solutions that enhance comfort and reduce energy costs.

Financing options available

We Live Here, We Give Here! Special financing for up to 6 years. Subject to credit approval.
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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

$100 OFF
on your next repair
New Customers Only. Minimum Repair total of $500 required.
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Expires: 5/31/2026

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Quality Service Recognition by Leading Organizations

Proudly Serving Austin and the Surrounding Areas

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Join our maintenance plan

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

1 day ago
Cindy Reidland
Kyle did a great job with a maintenance checks on 2 of our rental properties. Very professional, friendly, and knowledgeable. He found an issue and he repaired it quickly. We recommend McCullough !
1 day ago
John Walter
Miko did an excellent job in serving our systems. He was thorough and informative. Thank you for the expertise and professionalism!!
1 day ago
Debra Kates
Blake did a great job with our semi annual HVAC check. He was on time, through and quick.
1 day ago
Craig Speece
Miko arrived on time and was very professional. He did a thorough check of all of our units and explained everything to us in great detail. I would highly recommend Miko!
1 day ago
Ron B
I wanted to share my experience with Henry Harris. Everything was great—Henry explained everything clearly and thoroughly. He was very polite, professional, and respectful throughout the process.
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