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: 4/30/2026

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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

2 days ago
Jerry Phillips
Great service from James and the team at McCullough on our ac vents. Highly recommend them.
2 days ago
Steve Wirt
Josh was a pleasure to deal with. Went about his work very professionally, very diligently.
2 days ago
Christie Carbone
Great company , if any issues arise, they’re always there to deal with it promptly and professionally
2 days ago
S Rodriguez
Miko provided excellent, courteous, professional, expert service. He took the time to thoroughly and clearly answer my questions about my new Infinity system’s humidity control and confirmed that everything was working correctly.
2 days ago
Doug Rozunick
Mike is great! I remembered a time when service providers actually came and spent time thoroughly doing their jobs and being technically proficient. Professional service level and expertise almost doesn't exist anymore. Everything is get done fast charge big amounts and get to the next job. Mike spent the proper time, did what was necessary and let us know if any potential issues down the road. I have a dwindling short list of companies that do this and these guys are on it.
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