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 & 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

$100 OFF
on your next repair
New Customers Only. Minimum Repair total of $500 required.
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Expires: 7/31/2026

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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
Lucas Peace
Mike was incredibly timely and proactive about communicating. I really appreciated his pre visit call and prompt service. I’ll always use McCullough for HVAC!
2 days ago
Bonnie Correa
Words cannot fully capture the gratitude I feel for the outstanding work and attention provided by McCullough Heating & Air Conditioning. From the moment my call was answered to the efforts of the sales representative, technicians, inspectors, and customer service team, every interaction was marked by professionalism and genuine care. The passion and dedication they bring to their work are truly exceptional.

My experience with McCullough has been nothing short of remarkable, and I am eager to share their excellence with others. Thank you, McCullough, and the technician Miko for transforming my home into a more comfortable and enjoyable place to live with your incredible cooling and heating system.
2 days ago
Meredith Pogue
Michael McTaggart came and diagnosed & fixed my ac problem. He was very informative and explained things simply! Thank you so much! Yay!
2 days ago
Prathima Vemulapalli
Milo did a great job with our service of our AC units. He was prompt, explained what he did, health of the units and everything related to the costs. Definitely recommend!!
2 days ago
David Steadman
Our 20-year-old residential HVAC system was functioning but not at an optimal level. Kyle and team arrived within the scheduled time frame and performed a diagnostic within the first hour. They identified the source of the problem and Kyle walked me through a list of recommended repairs to get the machine working at its fullest potential. We both acknowledged that the machine would likely need replacing soon, so he documented system specs to aid that process. Kyle and team were friendly, courteous and very professional. Thanks!
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