Residential Services

Boiler Repair in Madison & Greater Wisconsin

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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.

$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

Eric Hensley
3 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
4 days ago
Justin did a great job explaining everything to us. He is very knowledgeable.
Mario Maritato
4 days ago
Timely, professional and friendly service.
David Geertsen
4 days ago
Southport did a good job, Justin was professional, thorough, did a great job !!
Darlene Severson
5 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
6 days ago
Great technician. Grest communication and friendly. Jacob.
chris kwong
7 days 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
7 days 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.
Diane Bilak
1 week ago
Nick and Dylan was very professional, respectful and knowledgeable and pleasant. Dylan explained everything to me in an easy way to understand. I would definitely use Southport again for my heating/air conditioning
needs.
Dan Oleary
1 week ago
Nathan was very detailed and explained things very well.
Sharon Edic
1 week ago
Dispatch team was professional and service technician Quinn was super! He was very nice, explained everything in detail, answered all our questions and worked quickly. Highly recommend!
Brittany Urban
1 week ago
Riley was amazing! He kept me updated throughout the process because we were not home. He was very professional and very hard working!!
frannie lynne
2 weeks ago
Vincent arrived on time, explained all info clearly and with detail, was courteous. I learned interesting and important facts about the furnace and truly appreciate his taking the time to educate my husband and me.
Denise Stanford
2 weeks ago
Southport was extremely helpful and had an appointment the day after I called to inquire about their maintenance plans.

Luke was great. He explained what he found during routine furnace maintenance, things that were working well and things to watch for in the future. Best experience I have had in a long time.
Karyn S
2 weeks ago
I had a wonderful experience with Southport! Justin and Phil were both fantastic to work with. Justin was incredibly friendly, knowledgeable, and helpful throughout the entire process. He made everything easy and stress-free and was a pleasure to work with!
Phil was equally wonderful! He was professional and thorough. I really appreciated his attention to detail and the care he put into his work. Both Justin and Phil went above and beyond to provide excellent customer service.
I highly recommend Southport and especially Justin and Phil! Thank you both for such a positive experience!
Jim Sheehan
2 weeks ago
Southport’s Technician , Phil Lloyd, is a true asset to his organization! My wife, Karyn and I have had many contractors come through our house over the years and I would put Southport at the very top of our service partners. They are knowledgeable, reasonable, and most importantly trustworthy. Phil Lloyd took the time to share, in layman’s terms, the root cause of our problem and a remedy that would bring our system back up and running; peace of mind to our family. I would highly recommend Southport, and would give Phil Lloyd a 10 out of 10 related to Service, quality, and most important trust. Southport is fair on cost,I plan on partnering with Southport for many years to come. Jim Sheehan