Stay Warm

We'll get your furnace or boiler running again.

Heating Services
Chill out

We'll take care of your air conditioner.

Cooling Services
Breathe In

What’s going on with your air quality?

Learn How We can Help
We Cover the Bases

We’re your one-stop shop for all your HVAC and air quality needs.

Repair

Quick service when you need it most.

Replace

New systems at the right price.

Install

Speedy installation and satisfaction guaranteed.

Maintain

Stay comfortable all year long.

Brands We Trust

You put your trust in us, so we only rely on the best.

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Brands We Service

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Rave Reviews

Need proof of our quality? Don’t take our word for it…

Allegiance Heating and Air Conditioning came to the rescue for us this summer. They installed our brand new air conditioner with a great deal of expertise and professionalism. We couldn't be happier. Thank you Allegiance!

Guy H. New Albany, IN Commerical Cooling Service

I didn’t know the problem, just the symptoms. Allegiance arrived, diagnosed the situation, and repaired it in under an hour!

Jane D. Louisville, KY Commerical Heating Service

Realizing that my dinosaur furnace was past its last leg, Allegiance had a new one out here, installed and running same day! Now my fireplace can go back to being simply aesthetic!

Sue Q. Louisville, KY Residential Cooling Service

GET TO KNOW YOUR LOCAL HVAC REPAIR EXPERTS

Allegiance HVAC is commited to your satisfaction, and we’re proud of our work. You need to know who we are, because it’s important to know who you’re dealing with.

Meet our team
Service Club

Routine maintenance check-ins ensures the safety of your home and family, the longevity of your system, and year-round comfort, just the way you like it. Check out the exclusive benefits of our Service Club Maintenance Plans today!

Find Out More
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CONTACT ALLEGIANCE

We’re standing by 24/7 to serve your residential and commercial heating and cooling service needs. We look forward to hearing from you!