Trusted Heating & Cooling Services in Austin, TX Since 1977

100% Satisfaction Guaranteed
STILL Locally Owned and Operated
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512-280-0011
Don't Miss Out $2,000 Federal Tax Credit for New SystemsExpires 12/31/25

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

FREE Service call with Repair
No Hidden Fees.
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Expires: 1/31/2026

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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

2 days ago
Kate Henderson
Sean was amazing! Very knowledgeable, considerate and great communicator.
2 days ago
Sherry Eisenberg
Joshua and Craig were great. Made sure my heating system was working properly and did the repairs quickly and efficiently.
2 days ago
Michelle Amriel
I’ve been through 3 ac companies and didn’t feel satisfied until I tried this company , Mcullough. My service guy, Henry was so professional and trustworthy. So many of these companies are salesy and try to sell you things you don’t need. This guy was honest and gained my trust. I highly recommend this company with any needs for your AC and heater .
4 days ago
Caleb McLain
Vlad did a great job and the Mccoullough team is awesome. I have referred them to friends and family!
4 days ago
Jeffrey Henke
Clayton was excellent - on time, courteous, polite, and efficient. His helper/ trainee, Mico (?) was also very pleasant! Good job, guys! And thanks!
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