Residential Services

Boiler Replacement in Madison & Greater Wisconsin

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As heating output drops during colder stretches, boilers rarely recover on their own. At that stage, replacement becomes the more reliable way to restore heat to a usable level. Southport Plumbing, Heating & Cooling handles boiler replacement across Madison and surrounding Wisconsin communities, helping homeowners move away from systems that struggle to maintain pressure, circulation, and zone balance.

Homes with radiant heat operate differently from forced-air systems. Water movement, pressure stability, and distribution across zones all play a role in how comfortable the space actually feels. That’s taken into account before any equipment is recommended, so the new system works with the existing layout instead of fighting against it. That’s where a properly planned replacement starts to make a difference.

Boiler replacement in Madison and Greater Wisconsin with new boiler system installation.

Signs It’s Time to Replace Your Boiler

Certain patterns point toward system decline rather than a temporary issue.

  • System age: Boilers reaching 15–20 years begin losing output and stability
  • Rising energy use: More fuel is required to maintain the same indoor temperature
  • Frequent service calls: Repeated work on valves, pumps, or controls
  • Uneven heat across zones: Some areas stay cooler despite system demand
  • Leaks or pressure fluctuations: Visible wear affecting circulation and reliability

When multiple signs appear together, replacement usually provides a more stable long-term outcome.

Boiler Replacement Services in Madison & Greater Wisconsin

Boiler replacement involves more than installing a new unit. The system has to be matched to how water moves through your home and how heat is delivered across each zone.

Southport Plumbing, Heating & Cooling provides boiler replacement in Madison & Greater Wisconsin by removing the existing equipment, updating connections, and installing a system sized for proper circulation and pressure control. Pumps, valves, and controls are configured so each part of the system works together without imbalance.

During installation, adjustments are made to support even heat delivery and stable operation under daily use. Once complete, the system is tested to confirm consistent output across all connected zones.

If performance has started to decline but the system is still operational, reviewing boiler repair can help determine the next step before committing to replacement.

What to Expect During Boiler Replacement

Each phase is handled with a clear sequence, so there are no surprises during installation.

  • In-home evaluation: Review system condition, layout, and heating demand
  • System selection: Compare options based on output and efficiency
  • Removal: Disconnect and remove the existing boiler and related components
  • Installation: Set up the new system, including piping, controls, and circulation components
  • Final testing: Confirm pressure levels, heat distribution, and system response

During installation, attention is placed on how water moves through the system. Small imbalances at this stage can affect long-term performance if not corrected early.

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

The way a boiler is installed directly affects how heat is distributed throughout the home. Even small setup differences can change how evenly rooms warm up and how hard the system has to work to maintain temperature.

We provide:

  • Boiler replacement planned around radiant systems and zone-based heating
  • Upfront, transparent pricing so expectations are clear before work begins
  • Experience with both older piping layouts and modern high-efficiency systems
  • Installation that supports balanced circulation and steady heat delivery
  • Clear guidance on system operation and what to expect during regular use

As a locally owned company, we focus on solutions that hold pressure, maintain circulation, and keep homes comfortable through extended winter conditions.

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

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
4 weeks 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!