Residential Services

Boiler Repair in Madison & Greater Wisconsin

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Also Serving Milwaukee & Wausau Since 2005

When your boiler stops working during a Wisconsin winter, restoring heat becomes urgent. Southport Plumbing, Heating & Cooling provides boiler repair across Madison and surrounding Wisconsin communities, helping homeowners get their HVAC systems back online quickly and safely.

Boilers are common in older homes throughout the Madison area, and they require a different approach than forced-air systems. Our team works with both traditional and modern boiler systems, accurately diagnosing issues and delivering targeted repairs that restore reliable heat without unnecessary delays.

Boiler repair in Madison and Greater Wisconsin fixing residential hot water heating system.

Signs You Need Boiler Repair

Boilers usually show clear warning signs before a full breakdown occurs.

  • No heat or uneven heating: Some rooms stay cold while others overheat
  • Leaks or pressure loss: Water around the unit or fluctuating pressure levels
  • Unusual noises: Banging, gurgling, or knocking sounds during operation
  • Radiators not warming properly: Heat not distributing evenly through the system
  • Frequent cycling: System turning on and off more often than normal

If you’re noticing any of these issues, it’s time to have your system inspected before the problem worsens.

Boiler Repair Services in Madison & Greater Wisconsin

Boiler repair requires more than a quick fix. Proper diagnosis ensures the issue is addressed at its source, not just temporarily resolved.

Southport Plumbing, Heating & Cooling provides boiler repair in Madison & Greater Wisconsin by identifying system faults, repairing or replacing worn components, and restoring safe operation. This includes work on pumps, valves, pressure controls, and safety mechanisms that keep your system running properly.

After repairs are completed, we test system performance to confirm consistent heat distribution and proper operation across all zones. You’ll receive clear recommendations so you understand what was repaired and what to expect moving forward.

If your system is older or experiencing recurring issues, we can also walk through long-term options, such as a boiler replacement.

Common Boiler Problems

Boiler systems can develop a range of issues over time, especially in homes with older equipment.

  • Pump or circulation issues: Prevent proper heat distribution
  • Pressure imbalances: Affect system performance and reliability
  • Air trapped in the system: Leads to uneven heating and noise
  • Faulty thermostats or controls: Cause inconsistent operation
  • Frozen or blocked lines: Can interrupt normal system function

Addressing these issues early helps restore heat faster and prevents further strain on the system.

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Why Choose Southport Plumbing, Heating & Cooling for Boiler Repair?

When heat is lost in the middle of winter, response time and accuracy matter. Our team focuses on diagnosing problems quickly and restoring reliable operation without unnecessary delays.

We provide:

  • Responsive service across Madison and surrounding Wisconsin communities
  • Experience with both older boiler systems and modern high-efficiency models
  • Upfront, transparent pricing so you know what to expect before work begins
  • Targeted repairs that address the root cause of system issues
  • Clear communication so you understand the condition of your system

As a locally owned company, we understand how critical dependable heat is during Wisconsin winters, and we focus on practical solutions to get your system running again.

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

$79

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

Barb Carel
2 days ago
Good service and Joe was very polite.
M Tros
3 days ago
I'm on the home maintenance program for plumbing and HVAC. I have been very happy with the service to date. There is always plenty of warning before they arrive and they do their business quickly, professionally, and efficiently. During my last visit they detected two faucet leaks which resulted in two new faucets (covered under lifetime warranty by the manufacturer).
John Miecielica
4 days ago
Southport addressed all concerns and explained everything in detail before completing service. Ver professional. They were on time and cleaned up after themselves
Greg Hayes
5 days ago
Technician, Marcus, was great. He was on time and very respectful and knowledgeable.
Jeff Sterling
5 days ago
We had a new furnace installed by Southport Home Services and had an excellent experience from start to finish. Our salesman, Adam, was very knowledgeable, personable, and easy to work with. He answered all of our questions and made the process stress-free during an already stressful time. Our furnace broke, and the very next day the installation team was at our home replacing it. The staff was professional, respectful, and did a fantastic job. Everything was left spotless and looked great when they were done. We even felt completely comfortable leaving for the day while they worked in our home, which says a lot. We truly appreciate the quick turnaround, quality work, and great customer service. Highly recommend Southport Home Services!
Adam Fortune
1 week ago
Ryan and Andrew did a great job replacing our AC unit. Everything was spic-and-span and working like a charm when they left. Everyone I’ve worked with from Southport is very friendly and professional.
Beth Wilson
2 weeks ago
This was a warranty repair. Team was timely and professional
Tim Logemann
2 weeks ago
Very friendly and did not oversell
Mary Belotti
2 weeks 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
2 weeks 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
2 weeks ago
Prompt competent service.
Kim Beattie
3 weeks 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
3 weeks 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
3 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
4 weeks ago
Andrew was great for the plumbing we needed done. Super knowledgeable and friendly. Highly recommend!
Joseph Männchen
4 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
4 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
1 month 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.

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!