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.

$150 off

Air Cleaners / Humidifiers
Cannot combine with any other offers and/or specials. One time use only. Must mention at time of booking
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Expires: 10/31/2026
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Read About Our Customers’ Recent Experiences

Richard Kugler
3 days ago
I excellent service, decent pricing. Definitely recommend and would use again.
Susan Johnson
3 days ago
I have had two service calls now from Southport. Both times the servicemen were prompt and knowledgeable. Last evening I had called because I had a backup with my basement drain. I thought I could wait until Monday but when it backed up again, Thursday night, I called and they rescheduled me for an early morning appointment. Blake arrived and kept me informed of everything he was doing and what he was finding. He made sure to speak with his superior Throughout his time here.Even though it appears the drain was clear they stayed and made sure that I had no issues with the basement drain. Anytime I have had any questions or concerns the owner, Jackson has always addressed them
Promptly and assures, his customers are satisfied! I have been very happy with Southport
Kujt Sinani
3 days ago
After our home inspection flagged some plumbing issues, I contacted Southport Plumbing. From the very first phone call through the quote and final completion of the work, everything was handled professionally and smoothly.
Their customer service was fantastic — friendly, responsive, and helpful every step of the way. The plumber (Joe) who came out kept me fully informed throughout the process, which I really appreciated. There were no surprises or hidden costs; the final price matched the quote exactly.
They also left the worksite clean and tidy when they finished. Overall, a reliable, transparent, and high-quality service. I would definitely recommend Southport Plumbing and would use them again without hesitation
Rick Hansen
3 days ago
Have been dealing with Southport for 15-20 years. This is a quality business ! Dependable, knowledgeable and professional. Does not get better !!!
Quinn Warner
3 days ago
Everyone i delt with were really friendly. From the office girl that took my order to the two that did the install.
Maranda Webber
4 days ago
Had a great experience with Southport!!! Very reasonable prices, great service and all around great company to work with.
Carole Richard
4 days ago
Caleb was very, lvery professional, Answered our questions and assisted in providing the information I needed on the status of a furnace.
Lauren Wolter
4 days ago
Very knowledgeable and helpful. Called in morning about plumbing issue and they were to us within few hours.
We call Southport for all our havac and plumbing needs. Thank you.
Lynne Pitts
4 days ago
Southport Home Services is a great company and a great choice to take care of your HVAC needs. Although we have dealt with a couple of the other local service companies, we were lucky to come across Southport when we were ready to replace our furnace and AC. They made good, solid, recommendations, suggested going with a heat pump, and did NOT try to upsell us on more than we needed.

Jackson Barrow and the installation team were fantastic to work with; knowledgeable, patient, willing to explain and educate as they did their work. They fixed some issues with the previous system's infrastructure and made sure we were well taken care of. When we had a minor issue (no fault of Southport) Jackson and team came back out prompltly and took care of it, despite our request being a bit of extra work for them.

I really can't recommend them highly enough!
Gregory Polzin
4 days ago
Andrew was great from the beginning to end - got the problem solved. Even went the extra mile on servicing the furnace. Love how the company communicates and is right on time.
Pamela Leonard
5 days ago
Henry did an excellent job. He explained everything in detail and clearly maded it easy for me to understand. I would recommend Southport to everyone.
Josh Fessel
5 days ago
They replaced the whole house from outdated pipes, now my water pressure is where it should be.
Great friendly service, and great price for 2 whole days of work, would highly recommend
Mary Philips
6 days ago
Luke and Buck did a great job getting our furnace ready for winter, showed some tips on keeping our furnace running smoothly. They were personable, efficient, knowledgeable, and kept our mechanical room tidy. Thanks to Southport and Luke & Buck!
Dave Cummings
6 days ago
Great service!! Tyler was very informative!!
Wanda Alsten
6 days ago
We had an excellent experience with Caleb. He was professional, knowledgeable, thorough, and extremely helpful from start to finish. He took the time to explain everything clearly, answered all of our questions, and made sure we understood what was going on, and what our options were.

What really stood out was Caleb’s attention to detail and the pride he takes in his work. He was friendly, respectful of our home, and never made us feel rushed or pressured. It’s refreshing to work with someone who generally cares about doing the job right and providing great customer service.

We couldn’t have been happier with the service Caleb provided, and would absolutely recommend him and Southport, plumbing, heating and cooling. Thank you, Caleb, for the outstanding service!
Donna Mackenzie
7 days ago
Very knowledgeable !
An inspection of washer water valve
Tina Hartlaub
7 days ago
Great work, as always!
Frank Mazzie
1 week ago
Professional and personable installers. They did a great job.
Definitely. Rob S was very informative.

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!