Furnace Repair in Hattiesburg, Wiggins, and Surrounding Areas | Tri-County Air Service

Fast Help For Furnace Problems

When your furnace stops keeping your home warm, every hour can feel longer. Rooms cool down quickly, family members reach for blankets, and you start worrying about what might be wrong with your system. If you need reliable furnace repair Hattiesburg homeowners can count on, Tri-County Air Service is ready to help.

We understand that a heating problem is more than an inconvenience. You may be concerned about elderly relatives, young children, or tenants in the home, and you might also worry about safety issues such as gas or electrical problems. Our goal is to restore safe, comfortable heat as quickly as we reasonably can, while keeping you informed at every step.

Tri-County Air Service started in 2005 with a single service truck based in Wiggins and has grown into a trusted provider across Southern Mississippi, including regular service for homeowners in Hattiesburg. We focus on total home comfort and efficiency, not just equipment, which is why we also handle electrical, insulation, and generator services. When you call us, you get a team that treats your home with care and works to resolve the problem, not just patch it.

Our company is veteran-owned and operated, and we bring that sense of discipline and commitment into every visit. If your furnace is not keeping up, making new noises, or has stopped working altogether, we invite you to reach out so we can take a closer look and explain your options clearly.

Don’t let a faulty furnace leave you in the cold: call Tri-County Air Service today or contact us online to schedule repair.

Why Homeowners Choose Our Team

When your heat is not working right, choosing a company you can trust makes a big difference. Since 2005, we have served Southern Mississippi homes and grown from one truck to a regional team by focusing on dependable service and fair pricing. That history matters because it shows that homeowners across the Gulf Coast region have turned to us year after year.

We are proud of the feedback we have earned. Out of 239 customer reviews, roughly 95 percent are 5-star ratings, and more than 96 percent of our customers say they would recommend us to a friend. Those numbers tell you that many families have already trusted us in their homes and felt good about the experience. We also maintain an A+ rating with the Better Business Bureau, which reflects our commitment to honest, professional business practices.

Your furnace repair is handled by NATE Certified technicians who have demonstrated strong technical knowledge through industry testing. We are also a Carrier Factory Authorized Dealer, which means we meet strict standards for training and customer care and have direct access to quality equipment if repair is not the best long-term option. For you, this means more accurate diagnostics and solutions that are designed to last.

We back our work with a 100 percent satisfaction guarantee on all services. For new installations, that guarantee includes an option for a full refund for up to one year from the date of service if you are not delighted with your experience. We take that commitment seriously, because we want every homeowner to feel confident choosing us for major decisions about their heating system.

We also understand that furnace problems often come up unexpectedly. That is why we provide free estimates on major work and offer flexible financial options, including 0 percent financing plans for qualified projects. Our goal is to help you get the comfort and safety you need without adding unnecessary financial stress.

Common Furnace Issues We Repair

Every home shows furnace trouble a little differently, but many of the symptoms we see across Southern Mississippi are familiar. Some systems refuse to start at all, while others run constantly but barely warm the air. Short cycling, where the furnace turns on and off repeatedly, is also a common sign that something is not right.

You might notice new smells when the heat comes on, such as a persistent burning odor, or you could hear banging, squealing, or rattling from the unit or ductwork. Rising energy bills without a change in your thermostat setting are another clue that your heating system is working harder than it should. In some homes in and around this city, furnace issues show up as one or two rooms that never seem to reach a comfortable temperature.

Because we provide HVAC, electrical, and insulation services under one roof, we can look beyond the furnace cabinet when needed. Some comfort problems come from undersized or aging ductwork, weak electrical supply, or poor insulation that lets heat escape quickly. Our technicians can help you understand whether the issue is centered in the furnace itself or related to the way your home holds and distributes heat.

Here are a few warning signs that it is time to call for furnace service:

  • Rooms that stay cold even with the thermostat turned up
  • Furnace that will not turn on, or shuts off within a few minutes
  • Unusual smells or new, persistent noises from the system
  • Frequent tripped breakers when the heat comes on
  • Energy bills that are noticeably higher than past seasons

If you notice any of these issues, it is usually better to have a professional look at the system rather than trying to diagnose it alone. We can help identify whether a straightforward repair is likely to solve the problem or if it may be time to consider a longer-term plan for your heating system.

Coupons

Financing Options Available

Need a new system? Don’t let cost hold you back. We offer flexible financing with approved credit so you can stay comfortable now and pay on your terms.

The Tri-County Difference

Integrity, Expertise, and Care in Every Service We Provide

A Legacy of Local Service
For over 20 years, we’ve proudly served Mississippi with fair pricing, quality work, and a reputation you can count on.
 
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.

Wiggins Air Conditioning, Heating, Plumbing and Electrical Services

From emergency repairs to full system installs, Tri-County keeps your home comfortable, efficient, and worry-free.

How Our Furnace Repair Works

Knowing what to expect during a service visit can take a lot of stress out of the situation. When you contact us about a heating problem, our office team gathers basic information about your system and the symptoms you have noticed. We then schedule a convenient time for one of our technicians to come to your home and perform a detailed inspection of your furnace and related components.

Our NATE Certified technicians follow a structured diagnostic process that looks at more than just the most obvious issue. They will check key components such as burners, igniters, blowers, safety controls, filters, and airflow, as well as thermostat settings and, when appropriate, electrical connections that support the system. If they find an issue that affects safety, such as a concern with combustion or venting, that will be addressed first and explained clearly.

Communication is a priority for us. Once the technician has identified the likely cause of your heating problem, they will walk you through what they found in straightforward language. You will hear your repair options, any alternatives, and the estimated cost before work begins. Our goal is to answer your questions and help you make a choice that fits both your comfort and your budget.

We strive to provide transparent pricing, including free estimates on major work, so you are not left guessing about what the final invoice might look like. Our technicians treat your home with respect by wearing appropriate protection, working carefully, and cleaning up their work area when they are done. All of our work is backed by our 100 percent satisfaction guarantee, which means we work hard to resolve any concerns and leave you feeling confident in your repaired heating system.

Local Heating Help For Hattiesburg

Heating needs in Southern Mississippi are different from those in colder parts of the country. Winters are generally mild, but sudden cold snaps can send temperatures down quickly and put extra strain on furnaces that may sit idle for part of the year. That pattern can make small issues more noticeable right when you need your system the most.

Because we are based in Wiggins and regularly serve homes in Hattiesburg, we are familiar with the types of heating systems and building styles found throughout this area. Many of our customers live in older homes or manufactured housing where insulation and ductwork play a large role in how well a furnace can keep up. Our team understands how these factors interact and can help you see the full picture of your home’s comfort.

We also know that energy costs are a concern for many families. By looking at your furnace, electrical supply, and insulation together when appropriate, we can often suggest practical steps that support both comfort and efficiency. Sometimes a targeted repair or tune up combined with basic improvements to air sealing and insulation can make a noticeable difference in how your home feels on cooler nights.

As a veteran-owned company that has been part of the Gulf Coast region since 2005, we value long-term relationships with our customers. Many of the homeowners we serve today first called us for one service and have continued to rely on us for additional HVAC, electrical, generator, or insulation projects over time. We work to earn that ongoing trust with every furnace repair visit in this community.

Restore warmth to your home quickly: call Tri-County Air Service at 601-258-3804 or book your furnace repair service online now.

Call Tri-County Air Service Today

When your home feels colder than it should, you deserve a heating team you can trust to show up, explain the problem, and work toward a reliable solution. Tri-County Air Service has served Southern Mississippi homeowners since 2005 with dependable service, clear communication, and a strong satisfaction guarantee.

If you need furnace repair Hattiesburg homeowners can feel confident about, we are ready to help. Our technicians bring solid training, careful workmanship, and respect for your home to every visit. We offer free estimates on major work, flexible financing on qualifying projects, and a 100 percent satisfaction guarantee to help you move forward with less stress.

A member of our team will be in touch shortly to confirm your contact details or address questions you may have.

How Tri-County Air Service gets it Done

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1. Request a Service Visit From Us

We offer fast response times and reliable scheduling. Simply call us or use our online scheduling tool.

Two technicians installing ductwork, connecting a metal duct component to a larger gray duct section indoors.

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.

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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.

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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.

Furnace Repair in Hattiesburg, Wiggins, and Surrounding Areas | Tri-County Air Service FAQs​

Tri-County Air Service provides comprehensive furnace repair for Hattiesburg homeowners, including diagnostics, component replacement, safety inspections, and system tune-ups. Our NATE Certified technicians are trained to work on a wide range of furnace brands and models, and we also evaluate related factors such as ductwork, electrical supply, and insulation that can affect heating performance.
We understand that a heating problem can feel urgent, especially when temperatures drop quickly in Southern Mississippi. When you contact us, our office team gathers information about your system and symptoms and works to schedule a visit at the earliest convenient time. Our goal is to restore safe, comfortable heat as efficiently as we can while keeping you informed throughout the process.
Tri-County Air Service has served Southern Mississippi homeowners since 2005, growing from a single truck to a regional team built on dependable service and fair pricing. We are veteran owned and operated, hold an A+ rating with the Better Business Bureau, and carry a 95 percent 5-star review rate across hundreds of customer reviews. Our technicians are NATE Certified and we are a Carrier Factory Authorized Dealer, which means accurate diagnostics and access to quality equipment when it is needed.
Common warning signs include rooms that stay cold even with the thermostat turned up, a furnace that will not start or shuts off within a few minutes of running, unusual smells or new noises such as banging or squealing, frequent tripped breakers when the heat comes on, and energy bills that are noticeably higher than in past seasons. If you notice any of these issues, it is a good idea to have a professional inspect the system rather than waiting for the problem to worsen.
Yes. All of our furnace repair work is backed by a 100 percent satisfaction guarantee, and new installations include the option for a full refund for up to one year if you are not fully satisfied. We provide free estimates on major work and offer flexible financing options, including 0 percent financing plans for qualifying projects, so you can address heating problems without unnecessary financial stress.

What Wiggins Homeowners Say About Us

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