Tri-Country Air Service
24 Hour Service 601-385-7836

Your Comfort, Our Concern
Mississippi Owned and Proud!



Our Customers Love Us!

Featured Project

Home on the Beach

This is a 4 story new construction home being built on the beach in Ocean Springs, MS.

For over 15 years, Tri County Air Service has provided quality air conditioning, heating, and HVAC repair and installation. Our highly trained HVAC technicians and installers are at your service 24/7 to provide expert assistance.  

At Tri County Air Service, our greatest asset is our team of highly skilled and experienced HVAC technicians and installers. Whether you have a central air conditioning unit, gas furnace, or heat pump system, you can depend upon our technicians to know just how to service your system. And if you are seeking to purchase a new system, our experts know how to analyze your home or business to fit your space needs as well as your budget.

Over the last two decades, we have built a reputation of providing exceptional service and products at fair prices, and we are dedicated to maintaining that same standard in 2020 and beyond. This year, Tri Country AC has expanded our service lines and is now a state-licensed plumbing provider. We are also a Trane sales and service dealer.

Our professionals provide air conditioning repair and installation, heater repair and installation, HVAC repair and installation, plumbing repair and installation, as well as insulation installation and removal. And for your convenience, Tri Country AC is a one-stop-shop providing sales, financing, service, installation, and on-line bill pay.

We proudly serve the Wiggins, Hattiesburg, Gulfport, Biloxi, Lucedale, and surrounding communities.

Serving Wiggins, Hattiesburg, Gulfport, Biloxi, Lucedale and surrounding Communities