Mississippi's Expert Air Conditioning, Heating, Electrical & Plumbing Company
Your Trusted Home Comfort Experts
Experience You Can Rely On
At Tri-County, were more than just a service provider—we’re your neighbors, dedicated to keeping your home comfortable and running smoothly. With decades of expertise, we offer top-tier air conditioning, heating plumbing, electrical, drain and generator services.
Why Choose Tri-County?
Family-owned since 2005, Tri-County Air Service has grown from a single truck into Southern Mississippi’s most trusted home comfort company. We’re a Carrier Factory Authorized Dealer with NATE-certified technicians, upfront pricing, and same-day service when available. When you call us, you’re getting neighbors who live and work in the same communities you do.
What Services Do We Offer?
We’re your one-stop shop for home and business comfort. Our services include AC and heating installation and repair, ductless mini-splits, heat pumps, indoor air quality, air duct cleaning, commercial HVAC, full electrical services, generators, and insulation. If it affects your comfort, we handle it.
How Can We Help You Today?
Whether your AC stopped working or you’re ready to upgrade an aging system, we’re ready to help. Call us at 601-258-3804 or schedule online and we’ll send a licensed technician your way, often the same day. Financing and payment plans are available with approved credit.
Why Trust Tri-County?
Twenty-plus years of serving Wiggins, Hattiesburg, and the surrounding counties has earned us a reputation built one customer at a time. Our technicians show up on time, explain their work clearly, and stand behind what they do. We’re licensed, insured, and here for the long haul.
A Legacy of Local Service
Reliable Service Anytime
With 24/7 availability and fully stocked vehicles, our team is ready to respond quickly to your comfort needs.
Clear and Honest Pricing
We believe in upfront pricing with no hidden costs, giving you confidence and trust in every service we provide.
Complete Solutions
From installation and service to financing and online bill pay, we make managing your home comfort simple and convenient.
Financing Options Available
Our Service Area
We’re Mississippi’s trusted choice for expert heating, air conditioning, and plumbing services — proudly serving Mississippi, and surrounding communities with fast, reliable solutions.
How Tri-County Air Service gets it Done
1. Request a Service Visit From Us
We offer fast response times and reliable scheduling. Simply call us or use our online scheduling tool.
2. Get Upfront Pricing Options
A licensed technician will diagnose the issue and provide an estimate before any work begins. No hidden fees, just upfront, honest pricing.
3. Relax While We Repair Your Problem
We handle every repair efficiently and effectively, ensuring the job is done right the first time. All you have to do is relax.
4. Let Us Know How We Did
We are committed to excellent service, backed by a 100% guarantee. We'd love to hear from you once your repair is complete.
Our Service Goes Above And Beyond
We know how difficult it is to find a trustworthy home service company in Mississippi. You need someone who will show up when you need heating or cooling help and provide reliable service every time. Not to mention, our team can also handle all the plumbing and electrical services you need. Our team is committed to your satisfaction completely. From sharing knowledge to using our special tools and expertise to make your life easier, we’re the team you need.
On top of that, we offer several service guarantees to back up our claims. You and your home will receive the respect and care you deserve while we do our jobs. If your property is damaged or your unit doesn’t perform, we fix the issue. If you’re not 100% satisfied with your service, we come back and make it right. That’s how we do business.
Number one, above all things we are a customer service company. When we see, hear, or meet a client first, foremost, and fanatically we SERVE THE CLIENT. Anything worth doing is worth doing right. We stand behind our work 100 percent.