Comfort you can feel Quality you can trust

Your Trusted Heating, Cooling, & Plumbing Specialists in Gainesville, GA & Nearby

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Trusted HVAC & Plumbing Experts Serving North Georgia Since 1983

At Conditioned Air Systems, we believe comfort is more than a temperature setting—it’s a promise. Since 1983, we’ve proudly served north Georgia as a family-owned and operated HVAC and plumbing company rooted in quality, integrity, and hard work. From our humble beginnings to becoming a regional leader with over 75 dedicated professionals, we’ve never strayed from our mission: treat every customer like family and every job like it’s our own home.

Built on decades of industry expertise, our team offers tailored solutions across residential, commercial, and industrial projects. Whether it’s installing the latest energy-efficient system or ensuring a simple repair is done right the first time, we bring unmatched craftsmanship and a personal touch to every service call. With 24/7 availability and a legacy of reliability, CAS is committed to keeping your environment safe, comfortable, and efficient—year after year.

Top Reasons Homeowners and Businesses Choose Conditioned Air Systems

What makes Conditioned Air Systems different? It starts with our people. We’re not just a service provider—we’re your neighbors, your partners, and your trusted advisors in home and commercial comfort. Our technicians are NATE-certified, undergo continual training, and are backed by comprehensive warranties, so you can have peace of mind knowing that every project meets the highest standards.

We combine family values with advanced technology to create smarter, more cost-effective solutions. Our commitment to safety, efficiency, and professionalism is unwavering—from background-checked employees to streamlined service processes that minimize disruption and maximize savings. With over 40 years of proven experience and deep ties to the community, CAS isn’t just the right choice—it’s the reliable one.

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Who We Support

Conditioned Air Systems supports a variety of organizations across north Georgia. Some of the non-profits and organizations we support include:

What Your Neighbors Are Saying About Us

Bernice B.
I needed a water heater so one of my friends recommended I should call Warner with Conditioned Air Systems. He came out and gave me my options and then Chris and Cohen came and replaced my water heater. I would recommend this company to anyone if you have any issues. Definitely give Warner a call. Their plumbing department is great.
Pamela H.
CAS Plumbing really did an outstanding job for our office & manufacturing facility! Thanks to Warner, Armand, & Gabriel, we have hot water & working bathrooms. We could not have asked for more personable service. Finished in less than one day at more than fair price. Highly recommend! …
Mel W.
Thank you Cory for sending Lee and Austin to do the plumbing work at our home. They arrived promptly, were polite and professional. They did a great job completing the difficult work in a very timely manner.
Polo P.
Warner , Armand, and Gabriel did some work for me at Best Vascular located at 4350 International Blvd suite A Norcross Ga. I was expecting the work to start at 7:00 AM. When I arrived on site at 6:45 AM there were already there waiting …
Allison R.
We are so pleased with the attention and timely service we have continually received from CAS. Philip has come to our home multiple times and is always thorough in his explanation of any issues we have had and quick to make any necessary …
Ertiken S.
We’ve had the pleasure of working with Armand and Warner from Conditioned Air Systems (CAS) Plumbing twice now, and both times they’ve delivered outstanding, reliable service. A few months ago, Armand fixed a toilet flush for us quickly, …
Jessica P.
Phillip with Conditioned Air Systems gave exceptional service and truly cared about our business and employees when he serviced our units in the restaurant. He went above and beyond to ensure the employees and guests have adequate conditioning systems. Wild Wing truly appreciates his service and manner.
Patricia P.
Charles has visited my home on multiple occasions to service my unit. I requested that he return for my bi annual inspection because he is thorough. He makes sure that the unit parts are all looking good and in good working order. I will be requesting him in the fall when it is time to prepare my unit for cold weather.

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