Residential Services

AC Repair in Madison & Greater Wisconsin

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When your air conditioner stops working, struggles to keep up, or blows warm air, the issue usually stems from a system failure that requires professional diagnosis.

Southport Plumbing, Heating, and Cooling provides AC repair in Madison and across Greater Wisconsin. Our technicians identify the cause of the problem, repair the system, and restore proper cooling performance.

Schedule AC repair in Madison or Greater Wisconsin today.

AC repair in Madison and Greater Wisconsin fixing residential air conditioning system ductwork.

Signs You Need AC Repair

Air conditioning problems often start with small changes before turning into full system failures.

  • Warm air coming through vents
  • Weak or uneven airflow
  • System not turning on or shutting off unexpectedly
  • Water leaks or moisture around the unit
  • Unusual noises during operation

These issues indicate your system is not operating correctly and should be inspected.

Quick Checks Before Scheduling Service

A few simple checks can rule out minor issues:

  • Thermostat settings are set to cooling mode
  • The circuit breaker has not tripped
  • The air filter is not clogged or blocked

If the problem continues after these checks, professional repair is needed.

What Happens During AC Repair

A proper repair starts with identifying the exact cause of the issue, not guessing.

  • Inspect system components and overall operation
  • Test electrical connections and controls
  • Check refrigerant levels and cooling performance
  • Evaluate airflow and system pressure
  • Identify failed or worn components
  • Complete repairs using compatible parts
  • Test system to confirm proper cooling and operation

This process ensures the issue is resolved and the system runs correctly.

AC Repair Services

Air conditioning systems include multiple components that must work together. Repairs are based on the specific failure within the system.

Component Repairs

Issues with motors, capacitors, or electrical controls can prevent the system from running or cause inconsistent operation.

Refrigerant and Cooling Issues

Low refrigerant levels or leaks can reduce cooling performance and strain the system.

Airflow and Performance Problems

Blocked airflow, damaged components, or system imbalances can affect how air moves through your home.

We repair all major air conditioning brands and system types.

Schedule Service TODAY In Minutes!

Why Choose Southport Plumbing, Heating, and Cooling?

Southport Plumbing, Heating, and Cooling has served homeowners across Madison and Greater Wisconsin for more than 20 years.

Our technicians focus on accurate diagnostics and long-term system performance. Every repair is tested to confirm the system is operating correctly.

We provide:

  • NATE-certified, background-checked technicians
  • Experience across all major AC systems and brands
  • Clear, upfront pricing before work begins
  • A satisfaction guarantee on completed repairs

Preventing Future AC Repairs

Routine maintenance helps reduce the likelihood of unexpected breakdowns and keeps your system operating efficiently during peak summer demand.

Regular service allows technicians to identify worn components early and maintain proper system performance.

Call Today… Relax Tonight

Schedule AC repair in Madison or Greater Wisconsin today and restore cooling in your home.

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

$259

Furnace + Plumbing Inspection Bundle 
Offer cannot be combined with any other promotions, discounts, or special offers. Terms and conditions may apply.
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Expires: 11/30/2026
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Read About Our Customers’ Recent Experiences

Teresa Kelly
2 days ago
Nate was just outstanding! So fast! So knowledgeable! So polite! We can’t wait to do business again:)
Mike Glatkowski
2 days ago
Alex is a great technician.
Andrea Hyde
3 days ago
Excellent work in installing our furnace! Finished in just three hours, and it’s running wonderfully. Walked us all through our new thermostat and how to install and use the app. Such polite technicians and kept our home tidy in the process. Would recommend Southport to anyone.
Sue N (SueN313)
3 days ago
Luke was on time, thorough, professional, and keeps you up-to-date with what’s being done. We have the maintenance program so we pay a small fee monthly and it covers the heating and ac maintenance yearly. Love this program and it works great in retirement
Jody Davis
4 days ago
Southport rocks it every single time! They hire the most knowlegeable , kind, polite, professional people!!! Another fantastic service visit
Brian Gleichauf
4 days ago
Adam was great, very professional and friendly and provided me with all the information I needed to get an estimate for mini -splits.
Cathy Johnson
4 days ago
Great service Polite and knowledgeable young man. Explanation that could be understood as to what was needed to be done with pricing for different options.
Marilyn Hammes
4 days ago
Thank You Riley and Southport Plumbing for a quick response to a very clogged toilet.
Riley arrived within minutes of the scheduled appointment and completed the work quickly and efficiently. He answered all my curious questions politely and cleaned the area completely after the work.
Lesson learned… don’t dump your cleaning water down the toilet with the sponges and rags you used!!!
Eric Hensley
5 days ago
I had a boiler system installed by Southport and everyone I interacted with was fantastic! After several quotes I selected them because I thought the company had a lot of integrity. I first got a quote from Caleb who was most professional, walking me through all the options they had for me and being very reasonable on the pricing. They scheduled the installation within a week and, on that day, the technicians Ryan and Jacob were excellent and very hard workers. I appreciated that they were very careful inside the house, putting shoe protectors while upstairs and overall being very respectful. They stayed until the job was done and my heat was restored. I would highly recommend Southport if you need a new boiler installation or and work or maintenance on your boiler, home heat, or water heating system.
Dave Frook
6 days ago
Justin did a great job explaining everything to us. He is very knowledgeable.
Mario Maritato
6 days ago
Timely, professional and friendly service.
David Geertsen
6 days ago
Southport did a good job, Justin was professional, thorough, did a great job !!
Darlene Severson
7 days ago
Thank you for sending Andrew Wenk to test our furnace. He could answer our questions clearly and tested all the important components and measured various pressures, temperatures, speeds, and other technical factors. He gave us 3 estimates for replacing parts that are needed due to age of the furnace. Andrew was pleasant and respectful to us.
JULIE GRIMM
1 week ago
Great technician. Grest communication and friendly. Jacob.
chris kwong
1 week ago
Jacob came over to install a new heat pump and do an annual HVAC maintenance check for winter. Appreciate how Jacob was friendly, communicative on progress/steps/etc, and open for questions!
Jackson ellis
1 week ago
Vincent came and assessed my furnace and was very helpful with diagnosing problems with it. Would definitely recommend them for any needs
Jackie Lambert
1 week ago
Fast and friendly. Thanks for getting my heat back on!
Karen Parrillo
1 week ago
Blake was very courteous and efficient in disconnecting our old dryer gas supply. We appreciate the quick response.