Residential Services

Air Conditioning Service in Madison & Greater Wisconsin

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Also Serving Milwaukee & Wausau Since 2005

When temperatures climb in Madison, your air conditioning system has to handle both heat and humidity without falling behind. Southport Plumbing, Heating & Cooling provides air conditioning services across Madison and Greater Wisconsin, handling repairs, installations, maintenance, and ductless systems to keep your home cool, steady, and comfortable during peak summer conditions. As a locally owned company, our team understands how Wisconsin weather and older housing stock impact system performance across Madison-area homes. If your system is struggling to keep up, contact us to schedule service.

Air conditioning service in Madison and Greater Wisconsin with technician inspecting cooling system.

Signs You Need Air Conditioning Service

Most systems show warning signs before they stop working. Catching issues early helps avoid larger repairs and unexpected downtime.

  • Warm Air from Vents: Cooling loss often indicates refrigerant issues or a compressor failure.
  • Weak Airflow: Reduced airflow can signal duct restrictions or blower problems.
  • Unusual Noises: Grinding, rattling, or buzzing sounds indicate internal wear or loose components.
  • Rising Energy Bills: Increased costs usually mean the system is working harder due to inefficiency.

Cooling Services Across Madison and Greater Wisconsin

Southport Plumbing, Heating & Cooling provides comprehensive cooling system care, with a focus on accurate diagnosis and long-term reliability throughout Madison and surrounding Wisconsin communities.

Air Conditioning Repair in Madison & Greater Wisconsin

Cooling problems tend to escalate quickly once performance drops. Issues like refrigerant leaks, frozen coils, or electrical faults require prompt attention, which is why an AC repair plays a critical role in restoring proper operation.

AC issues rarely resolve on their own. Fast, accurate diagnosis helps limit system strain and reduces the risk of a full breakdown during the hottest days in Madison and nearby areas.

Air Conditioning Installation and Replacement

Older systems often run longer, cool unevenly, and require repeated service. Upgrading through professional AC installation improves consistency and reduces ongoing operating costs.

Proper sizing and installation matter just as much as the equipment itself, especially in Wisconsin, where humidity directly affects how comfortable your home feels.

Air Conditioning Maintenance

Regular upkeep keeps your system running as expected when demand is highest. Routine AC maintenance includes cleaning, inspection, and performance checks that help prevent mid-season failures.

Without regular service, systems lose efficiency over time and are more likely to fail during extended periods of heat across Greater Wisconsin.

Ductless Mini-Split Systems

Some homes need more flexibility than traditional systems can provide. With ductless mini-split installation, you can control temperatures in specific areas without relying on full ductwork.

These systems are especially useful in older homes, additions, or spaces where consistent airflow is difficult to achieve.

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Why choose Southport Plumbing, Heating, and Cooling for air conditioning service?

The contractor you choose directly affects how reliably your system runs during peak summer heat. Our technicians work across all major AC systems and focus on solving problems correctly the first time.

We provide:

  • NATE-certified technicians who diagnose issues quickly so your system gets back up and running without unnecessary delays
  • Upfront, transparent pricing so you know exactly what to expect before any work starts
  • Service across all major AC brands and system types
  • Experience with older systems commonly found in Madison-area homes
  • Fast scheduling during high-demand periods when cooling problems cannot wait

As a locally owned company, we focus on long-term reliability and straightforward service, not quick fixes that lead to repeat problems.

Call today, relax tonight. Schedule your air conditioning service in Madison & Greater Wisconsin and restore comfort to your home without delay.

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

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Expires: 5/31/2026
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Read About Our Customers’ Recent Experiences

Mary Belotti
3 days ago
My experience started with a call to Southport for a second look opinion. They were highly recommended. The technician Tyler was able to find and explain the problem/s I was having with my 20 year old furnace and AC unit. He went over my options thoroughly, quickly set up a time for Justin to go over those options with necessary numbers, and the appointment was made for a new furnace and AC. The technicians Max, Diego and Aaron did a fantastic job with removal of my existing system and new installation. They treated me and my home with respect, paying great attention to detail. Max explained the process as they went along, making sure any question I had was answered. Nathan, the sales manager was even kind enough to stop and make sure I was happy with the whole process. The entire staff exceeded my expectations and were so professional, courteous and respectful, which is especially appreciated, as home repairs can be quite stressful. I highly recommend Southport.
Judy J
5 days ago
Rob S was very prompt and informative. He seemed very knowledgeable and did a great job. He explained everything that he had done and why and asked if I had any further concerns or questions before leaving. I felt confident that he did a good job and all that ws necessary. Great experience.
Florence Hammelev
1 week ago
Prompt competent service.
Kim Beattie
1 week ago
The Southport team was responsive, knowledgeable and extremely thorough. Anthony, Steven and Nick were very helpful. They caught a situation that the pre ious company did not.
Quinn 1271
1 week ago
Southport responded quickly and effectively in replacing our sump pump on the day of the storm on 4/17/2026 where our lower level of our home flooded. Both Alex and Andy responded. Despite not being on call, Andy responded as a neighbor and ensured that the sump pump got installed himself so that the overflow would stop and damage would be minimized. This included working in the midst of the water at 3am. I suspect the water damage and overall impact would have been exponentially worse if not for Andy’s dedication to solving the problem. I was out of town when this occurred and both my spouse and I are very grateful for Andy and Southport’s prompt emergency response. Approximately a week later we proceeded with installation of a battery backup. Thank you for the service and assistance in mitigating this very stressful and difficult situation.
Susan Niman
2 weeks ago
Joe S has come to our home several times and always treats it very well. We have also used Southport for many years for several things and highly recommend them. They are thorough, professional, treat your home like their own, and always have an accurate estimate for you
Paige Lincicum
2 weeks ago
Andrew was great for the plumbing we needed done. Super knowledgeable and friendly. Highly recommend!
Joseph Männchen
3 weeks ago
I saw Southport at a remodeling trade show at Monona Terrace in Madison, and requested an inspection of the heat pump in my 40+ yo condo. The person scheduling the appointment handled a last minute change to the appt professionally and accommodated my request. The technician was also very professional and knew his trade incredibly well. When the inspection unsurprisingly showed the unit needed replacement, I was still provided with repair options, pricing on individual repairs, and payment methods. A definite bonus was the tech was personable and empathetic, going as far as laughing at my dad jokes (they're bad, trust me 🙄). Finally, there was no pressure to pay for additional services, or any hard sales to purchase anything or repair on the spot. Overall a great experience, I will be using Southport going forward.
Terry Ryan
3 weeks ago
Last week we had Tornados in our area. While listening to the warnings, the meteorologist mentioned a back up sump pump would be beneficial to have. I scheduled an appointment with Southport home services. Andrew came out and explain how the system works. He then gave me prices.. He was able to install the system the same day. I highly recommend Southport Home Services.
Mary Hoffmann
3 weeks ago
My technicians were quite well informed and highly skilled in replacing all of the plumbing in the basement (hot water heater, sump pump, back up sump pump and battery, ejector pump). Highly recommend this company and the specific technician that performed all the work.
Peter Benson
4 weeks ago
These guys were flexible, the team showed up on time, and got the job finished quickly. Good price too. So far so good with our new heat pump water heater.
A P
4 weeks ago
The main sump pump & emergency sump pumps with a battery were installed and the replacement pump of a toilet. The guy was friendly did a very nice job. We're happy with the work.
Mel Menke
4 weeks ago
I noticed water on the floor on Friday morning below water heater. Called and service tech came out early afternoon. Problem confirmed and new one installed by late afternoon. Entire process was smooth and without incident. Tech was very professional and consistently communicated status so I stayed informed.
Carole Richard
4 weeks ago
Travis was professional and answered my questions. He was very helpful and informative.
T C
4 weeks ago
With all the flooding we had I was concerned about how often my sump pump was running and if it was working correctly. Tanner from Southport was here promptly and checked my sump pump over as well as the drainage hose I installed making sure everything was working as expected. He explained what to watch for as well as the services Southport offered. I am grateful for his professionalism as well as Southport's Shield program!
Kate Weisenburg
4 weeks ago
Southport is always great!! I've had them out for a couple of planned items in the past, so when my sump pump died this morning, they were my first and only call. Not only did they give me a 2 hour time frame in the first phone call, but they continued to call me back and update me as the technicians arrival time changed! Justin was the technician dispatched to my house. He was awesome. There's simply no other word for it. He looked at the pump, gave me 3 quotes, let me pick & choose the features & warranty I wanted, then immediately went to work because all the parts were already on his truck. He also gave me the name of a water remediation company they work closely with and coached me on what questions to address with that other service provider!! I will truly never call anyone else again. Southport has earned my business FOR LIFE!
Daniel Schneider
1 month ago
On time, professional, and helpful. Justan did a great job explaining the process for the annual plumbing services.
Carlos J. B.
1 month ago
Sump Pump and Maintenence Free Battery Backup Assembly installation, somewhat expensive.

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 Madison and the surrounding areas. Contact us today!