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 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.

PLUMBING

For dependable plumbing services, trust the experts at McCullough Heating & Air Conditioning. 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

$100 OFF
on your next repair
New Customers Only. Minimum Repair total of $500 required.
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Expires: 6/30/2026

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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
Briana Gonzalez
McCullough is the best. Everyone we have worked with has been awesome, knowledgeable and kind. The customer service is great, and they always get the job done right. Highly recommend them! Wanted to also give a special shot out to Michael Mctaggart who came out today. He came by to do a check up and was very thorough as well as radiated positivity. I appreciated the enthusiasm and care!
2 days ago
Kristian Poscic
James Farr did a terrific job installing the pressure expansion tank, leak detection system, and automatic water shutoff system. In addition, he relocated two vent pipes in the attic under extremely challenging heat conditions. He was thorough, detail-oriented, and completed the work in a timely manner while patiently explaining every aspect of the installation and answering all of my questions. I could not be happier with the quality of the work and the overall experience. Highly recommended.
2 days ago
Alex Buicko
Our technician, Mike, was absolutely incredible! He spoke with my husband multiple times to troubleshoot an issue and ended up coming to our residence after hours to fix our air conditioning. He was thorough and kind and provided detail instructions and recommendations to fix our problems! Great experience and we look forward to working with him in the future.
2 days ago
Deepa and Ritesh Patel
They are always great. Miko was great in terms of providing service and explaining things. He even documented everything which I appreciated.
2 days ago
Jump like maY
Super helpful! Above and beyond on the meantime fix while we sorted out a parts lead time
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