Residential Services

Air Conditioning in Wausau

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When summer heat and humidity settle into Wausau, a dependable cooling system matters fast. Central Wisconsin weather can shift in a hurry, and older homes along with newer builds often have the same problem when temperatures climb: hot rooms, sticky air, and an AC unit that just cannot keep up.

Southport Plumbing, Heating & Cooling provides air conditioning service in Wausau for homeowners who want real comfort, not temporary relief. Whether your system needs a tune-up, a repair, or a closer look before it quits altogether, our NATE-certified technicians are ready with skilled diagnostics and fully stocked service vehicles. We also help homeowners compare options like ductless mini splits and heat pumps when a standard central air setup is not the best fit.

We know how frustrating it is when your house feels warmer than it should, especially during a humid stretch. If you are in Wausau or nearby communities like Schofield or Stratford, call today to schedule air conditioning service and get your comfort back on track.

exterior air conditioning unit

Signs You Need Air Conditioning Service

Your air conditioner will usually give you warning signs before it fails completely. Knowing what to look for can save you from an uncomfortable breakdown during a heat wave and help you avoid more costly repairs down the road.

  • Warm or Weak Airflow: If your vents are blowing air that feels lukewarm or the airflow seems weaker than usual, your system may have a refrigerant issue, a failing compressor, or a clogged air filter that’s restricting performance.

  • Unusual Noises: Rattling, grinding, squealing, or banging sounds coming from your AC unit are never normal. These sounds often point to loose components, worn belts, or motor issues that need attention before they cause bigger damage.

  • Frequent Cycling or Running Constantly: An air conditioner that short-cycles (turns on and off rapidly) or runs nonstop without reaching your set temperature is working harder than it should, driving up your energy bills and wearing out the system prematurely.

  • High Humidity Indoors: Your cooling system plays a role in managing indoor moisture. If your home feels sticky or clammy even when the AC is running, the system may not be dehumidifying effectively, which is a common complaint during Central Wisconsin’s humid summers.

  • Rising Energy Bills: Ever notice your energy bills creeping up without a clear reason? An inefficient or struggling air conditioner is often the culprit. A system that’s overdue for service has to work harder to deliver the same level of cooling.

Air Conditioning Services in Wausau & Central Wisconsin

Air conditioning service covers a broad range of work, and the right solution depends entirely on what your system needs. At Southport Plumbing, Heating & Cooling, our process starts with a thorough diagnostic evaluation. Our NATE-certified technicians don’t guess. They use professional tools and hands-on expertise to pinpoint exactly what’s going on with your cooling system before recommending any repairs.

AC Repair

From refrigerant recharges and capacitor replacements to fixing frozen evaporator coils and repairing electrical components, our team handles the full spectrum of air conditioner repairs. Because our technicians arrive in fully loaded service vehicles, we carry the parts needed for most common repairs right on the truck. That means fewer delays and faster resolutions for you.

AC Maintenance & Tune-Ups

Preventive maintenance is one of the smartest investments you can make in your home comfort system. A seasonal tune-up includes cleaning the condenser coils, checking refrigerant levels, inspecting electrical connections, lubricating moving parts, and testing overall system performance. Regular maintenance extends equipment life, improves efficiency, and helps you catch small problems before they become expensive ones.

AC System Replacement

Sometimes a repair isn’t the most cost-effective path forward. If your system is more than 10 to 15 years old, requires frequent repairs, or simply can’t keep your home comfortable anymore, replacement may be the smarter long-term choice. We’ll walk you through your options honestly and help you select a system sized and configured for your home’s specific needs.

If you’re also exploring alternatives to traditional central air, we offer ductless mini split systems for homes without existing ductwork or for targeted room-by-room cooling. For year-round efficiency, our team can also discuss heat pump solutions that handle both heating and cooling in a single system. And when the seasons turn and you need to think about your home heating, we’re ready to help with that too.

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Why Choose Southport Plumbing, Heating & Cooling for Air Conditioning?

Here is the thing: when your home is hot, you need more than a quick guess. You need a team that can find the real issue and fix it the right way. Southport Plumbing, Heating & Cooling brings NATE-certified experience, an A+ BBB Rating, and fully loaded service vehicles that help us solve problems without unnecessary delays.

We focus on complete comfort, not just temperature. That means paying attention to humidity, airflow, and how your cooling system works with the rest of your home. We offer 24/7 service for urgent issues, financing options for bigger repairs or replacements, and maintenance plans that help you stay ahead of problems before the hottest days of summer hit.

If your AC is struggling, making your energy bills climb, or leaving parts of the house uncomfortable, let our team help.

Schedule your air conditioning service with Southport Plumbing, Heating & Cooling today and enjoy dependable comfort in Wausau.

Southport logo with blue 'SOUTHPORT' wordmark and orange 'PLUMBING • HEATING • COOLING' tagline.

Early Bird Special

Schedule in August = $99, Schedule in September = $129, Regular Price = $159

Offer cannot be combined with any other promotions, discounts, or special offers. Terms and conditions may apply.
Expires: 8/31/2026
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Read About Our Customers’ Recent Experiences

Brian Childers
22 hours ago
I have a Shield maintenance agreement with Southport Plumbing Heading and Cooling.

The value for the plan is fantastic! They come out and help maintain your plumbing, heating and cooling systems. Jacob from the HVAC side has come out to my home and has done an excellent job of keeping me aware of what is working well, and what I may need to keep an eye on.

Justan and Nathan from the plumbing side have also come out to my house and did the regular yearly maintenance. They too, do an awesome job of keeping me updated on how the plumbing is within my house.

I also was alerted to the battery being bad for my sump pump backup system and Justan and Nathan installed a new sump pump and a new backup system as well. The timing was impeccable as we faced a power loss for around 24 hours, and the battery was fully charged and the backup sump pump worked while we didn't have power! It was better paying for the backup system than a repair bill for a flooded basement.

To round it out, the office staff, Sarah did a great job helping me coordinate not only the visits for the maintenance, but also helped facilitate the installation of the plumbing work.

They keep giving great reasons why I'm a long term Southport Plumbing, Heating & Cooling customer!

Thank you!
Kate Cahill
2 days ago
Highly recommend for your HVAC needs! The salesman that came out to do the quote was professional and informative. The installers were incredible! Everyone was on time and on budget. Highly recommend! 10 out of 10 stars
sonam raptenpa
3 days ago
I am very satisfied with their service and products, they really did good job for installing new A/C this hot summer. The cost was reasonable and I am very happy with it, so thank you so much
Carli Brunner
5 days ago
I recently had a technician from Southport come out to provide a quote for a new furnace and air conditioning unit, and I was very impressed with the experience. They did a thorough inspection to determine the best fit for my property rather than offering a one-size-fits-all solution.

Caleb, the representative, was knowledgeable and took the time to explain all of my options. He educated me throughout the entire process, and made sure I understood the differences between each system so I could make an informed decision. The customer service was truly superb.

I would definitely recommend Southport to anyone looking for an honest, professional HVAC company. They primarily carry Carrier equipment but they do other options exclusively made by Carrier for Southport as well.
Jeff Knuth
5 days ago
Your team did a great job. They were very professional and friendly.
Stacy Ellsworth
6 days ago
Excellent customer Service! The technicians were professional, and highly experienced! They were able to come out the same day I called to give an estimate and do the actual install installations.
Shelby Williamson
6 days ago
Technician Anthony was professional, friendly and knowledgeable. I learned a lot during my scheduled visit and he fixed some minor nagging problems with noisy vents in my home. Appointment ended with a good plan going forward outlined. Thanks for the help!
Phil Tobin
7 days ago
Good discussion, options to consider, and a good, thorough installation
Jeanine Hanson Lewis
1 week ago
Tommy and Blake were so helpful. They went out of their way to explain everything throughly and left me with clear documentation on my issue as well as a full Plumbing System Evaluation. I received 3 different price structures and ways to save money. I would highly recommend this company! Thank you ever so much!
Lisa Moreno
1 week ago
Great service. Andrew was wonderful and made sure the installation was to his satisfaction by calling the vendor to ensure the faucet was seating correctly and got replacement parts shipped.
Susan Ventura
1 week ago
Very fast response, thorough, and very professional! Impressive service all around!
Brett Trulson
1 week ago
Technician diagnosed unit and found the problem within minutes. Very professional, highly recommended.
Beth Bourne
1 week ago
If you want WOW service, contact Southport! From my first call to schedule an emergency air conditioner unit replacement to the installation, Southport was professional, prompt, and priced fairly. (I originally called another company who was the complete opposite--Southport, however, fixed the issue and made sure I was completely satisfied!)
Nathan McCollough
1 week ago
Vincent good dude. Good work.
Ken Slagg
2 weeks ago
Going to get new central air. Caleb was absolutely great.
Sherley Benicek
2 weeks ago
Was having issues with my Generic generator trying to start up and misfiring. Smelled gas. Long story short HVAC team came out and tested all of the gas pipes. Everything tested good..
Cathy Koshak
2 weeks ago
My entire central air system needed to be replaced. The team that came out was very professional, thorough and knowledgeable. I had a very short timeframe to get this done and they accommodated everything I needed. I would definitely call them again for any of my future needs.
John
2 weeks ago
Very fast responses and action plans

Schedule Service For Your Home Or Business Today!

Are you looking for great HVAC and plumbing services? Our Southport team serves you with quality plumbing, heating and cooling services in Wausau and the surrounding areas. Contact us today!