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HVAC Service You Can Count On

When you need AC repair or HVAC service, you want fast, professional response from a company who has the experience and knowledge to get your system up and running.

A highly skilled technician from Serna Services performs AC repair for a valued customer

For over 13 years, Serna Services Air Conditioning & Heating has been providing quality HVAC service and AC repair in Limestone County and the surrounding areas.

Whether you are facing an immediate problem or just need regular maintenance, we offer complete HVAC service on all makes and models of equipment. We provide service for both residential and commercial customers, and offer 24-hour emergency care.

As a locally owned and operated company, we care about our community. Our founder and owner, Lionel Serna, believes in honest, trustworthy HVAC service at an affordable price. He is happy to put his reputation on the line to serve you!

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Call us Today at (254) 562-7000

HVAC Services

We keep your family comfortable no matter what season it is. We have over 13 years experience in both residential and commercial HVAC repair.

Duct Cleaning

Breathe cleaner air when your home’s ductwork is clean. We specialize in restoring fresh air and removing the allergens from your environment.


We can show you how to save a lot of money on your energy bill by insulating your home with spray foam or blow-in insulation.

Serna Services is proud to be an independent American Standard dealer, offering the top rated HVAC products on the market.


You can always depend on the reliability of American Standard. Since 1881, we have built systems that deliver quality heating and cooling during your family's most precious moments.


American Standard creates smarter solutions that improve the lives of our customers and our environment. Our sustainable heating & cooling products help reduce our energy footprint.

Home Comfort

Our goal is to create the perfect heating and cooling system for your family. We evaluate your home and design a system that best fits your needs, as well as one the fits your budget.

Air Quality

American Standard’s line of indoor air quality solutions help keep your air cleaner and fresher. We offer plenty of options to improve your air quality from humidity and allergens.

What Our Customers Say…

What is a Customer Care Dealer?

The Customer Care program is made up of handpicked dealers who are ready to listen, evaluate and find solutions that work smarter for you and your home.

Learn more about the Customer Care program.

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