Emergency A C Repair, Tune Ups & New Installs

Repair or Replace?

Our highly trained and certified technicians will give you their straight and honest opinion.

They will explain all of your repair or replacement options so you can make an informed decision. Our 100% Satisfaction Guarantee is unparalleled in the air conditioning industry.

Reliable Air Conditioning & Heating Services in Austin, TX

We have extensive industry knowledge and competency that ensures your installation or AC repair service in the Greater Austin Area will be done right the first time, every time... Guaranteed.

Ready for service in Austin? Call us now! 


Repair Your Heating & Air Conditioning System

We service all major brands and provide fast, 24-hour emergency service in the Austin area when your air conditioning unit unexpectedly breaks down. Ask us about our exclusive 100% Satisfaction Guarantee.

Replace Your Heating & Air Conditioning System

Today, you have a lot of options for how you cool your home. At McCullough, we believe in using only the most innovative and efficient cooling technology available. Let us help you create a replacement plan.


Heat Pumps

Heat pumps are a popular choice for Austin-area homeowners. We offer a complete line of high efficiency heat pumps, which both heat and cool your home for year-round comfort.


Ductless Air Conditioners

Would you like to cool a room that lacks the necessary ductwork or need to add comfort to a room that is too hot or cold? Ductless systems offer an elegant solution you’re looking for.


Thermostats & Controls

Powerful controls to manage any indoor environment. From complete home zoning to a single touch control with mobile access or a high-efficiency budget thermostat. We’ve got you covered.