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: 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

22 hours ago
Paul T. Shafer
Miko did a phenomenal job with our semi-annual preventative maintenance. He was thorough, shared feedback as he worked through it, and explained potential issues and how they could be resolved. Outstanding job!
22 hours ago
Chris Mathias
Tech was timely, polite and efficient. Did a good job and educated me on cleaning the drain line.
23 hours ago
Zach Eich
Blake was great and checked out my system. He was on time, which was great with my work schedule and he even changed my filter and flushed the drain with vinegar for me.
1 day ago
Lionel Aguilar
The best AC repair experience I have ever had. Easy online scheduling, quick call back to see if I was interested in a quicker appointment, great communication via text throughout, and Zach was phenomenal
2 days ago
Michalea Moore
Second time I've used this year. Very satisfied.
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