Trusted Heating & Cooling Services in Austin, TX Since 1977

100% Satisfaction Guaranteed

STILL Locally Owned and Operated

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.

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

Don’t Miss Today’s Offers

FREE Service call with Repair

No Hidden Fees.

Expires: 3/31/2026

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Quality Service Recognition by Leading Organizations

Proudly Serving Austin and the Surrounding Areas

Allandale

Anderson Mill

Brentwood

Courtyard

Crestview

Davenport

Dripping Springs

Jollyville

Northwest Hills

Oak Hill

South Austin

West Lake Hills

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Join our maintenance plan

Ensure Your Equipment is running smoothly Year-Round

See Our Maintenance Plans

WHAT YOUR NEIGHBORS ARE SAYING ABOUT US

21 hours ago

Arty Bentch

Showed up on time, very clear and communicative regarding the service. Overallthey were very professional, and did a great job.

22 hours ago

CLED R

Miko showed up on time and completed work in a timely manner and explained everything very well. Spent time to diagnose and repair warranty work. Very nice and competent young man.

24 hours ago

Lonnie Monreal

Competent technician. Arrived on time and serviced our unit expertly.

1 day ago

Leah Swaim

Shawn solved my problem super quickly and was easy to talk to. He answered all my questions and I felt comfortable with him in my home.

1 day ago

Erin Barrios

Love having a local company for my HVAC Service. Great Service and very responsive.

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