Austin’s Local HVAC Company & Plumber Since 1977

100% Satisfaction Guaranteed
STILL Locally Owned and Operated
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512-280-0011
0% financing 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 & Plumbing. 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 & Plumbing. We'll thoroughly assess your home’s energy efficiency, identify areas for improvement, and provide solutions that enhance comfort and reduce energy costs.

PLUMBING

For dependable plumbing services, trust the experts at McCullough Heating, Air Conditioning & Plumbing. Our experienced technicians provide professional plumbing solutions, from leak repairs and fixture installations to pipe replacements and routine maintenance. We’re committed to keeping your home’s plumbing system running efficiently, ensuring reliable water flow, improved performance, and peace of mind for you and your family.

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 2nd Opinion on Repairs
Must have a recent quote from a licensed competitor
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Expires: 11/30/2026

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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

3 days ago
Rachel Borling
Thomas was our HVAC tech. He was very kind and efficient. He let us know about their monthly membership which allows us to have our system checked twice a year including free diagnostics if something were to go wrong. Ultimately the yearly cost breaks even but with some benefits. It’ll ensure our system runs smoothly for years to come, so we plan to sign up for that. We are first time homeowners and I appreciated his advice and help. Support your local family owned businesses!
3 days ago
Michelle Moseley
Matthew has been the best HVAC technician we’ve worked with! He was friendly, professional and extremely knowledgeable. We especially appreciated the time he took to thoroughly explain the issues and walk us through his recommendations. It’s refreshing to work with someone who genuinely cares about providing excellent service. We would absolutely love to have Matthew as our go-to McCullough technician moving forward!
3 days ago
Roslyn Breen
Great communication and thorough follow-up
3 days ago
John Wong
Brandon was timely and courteous and efficient. He explained clearly the issue and got it working.
3 days ago
Beth Schaffer
Brandon was a fabulous tech! He was so thorough and explained all that he did to check our system. He was truly the best tech I have had.
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