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
See Our Maintenance Plans

WHAT YOUR NEIGHBORS ARE SAYING ABOUT US

2 days ago
DTW
I had a service visit from Guillermo today. He was on time, super courteous, very knowledgeable and through ability what was being performed. I highly recommend him to anyone needing assistance
2 days ago
Cindy Reidland
Jaiden did a great job with a maintenance check at our rental property. Very professional, friendly, and knowledgeable. He found an issue and he sent estimates with recommendations what was needed. We recommend McCullough !
2 days ago
Karen Morton
Very experienced
2 days ago
Sara Swenson
Technician was on time and there were no issues. Thanks!
2 days ago
Manuel Zamora
Blake came down for our subscription plan maintenance and was quick, efficient, and informative. Thank you!
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