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: 5/31/2026

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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

14 hours ago
Rebecca Reedy
Christopher Miko thoroughly checked our ac/heating units. He answered all my questions too.
19 hours ago
Jeff Cramblit
Love my semiannual checkups on my very old HVAC. Jaiden took his time and gave me a great checkup. Thank you
20 hours ago
Kevin
Just had my summer AC check by McCullough. Miko did a very thorough job and was also friendly and on time. He did a great job reviewing his findings and offered an upgrade for me to consider. I didn’t feel any pressure with the upgrade suggestion. I’ll continue using McCullough for all my HVAC needs.
21 hours ago
Tim Crowley
Miko was terrific! On time, thorough and professional. Been with McCullough 15+ years.
22 hours ago
Miguel Minick
McCullough did a great job servicing our equipment. Our technician Miko thoroughly explained all items and was responsive to all of our questions.
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