Residential Services

Furnace Repair in Madison, WI

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A functioning furnace is a necessity in this state, especially since Wisconsin winter weather often lasts well into spring. That’s why our experienced heating contractors at Southport Plumbing, Heating, and Cooling offer furnace repair in Wisconsin for virtually every make and model. Our HVAC professionals know how to diagnose and fix a range of furnace problems, both big and small. Whether you’re dealing with a dirty filter or a complete system failure, you can count on our furnace repair techs for fast, warrantied repair at a reasonable price.

Heat pump maintenance in Madison and Greater Wisconsin with system performance check.

Signs Your Furnace Needs Repair

Once you know what’s wrong with your furnace, the first step is to determine whether a simple repair will solve the problem or an entire replacement is necessary. Loud noises, slow heating, and high energy bills are all signs of a malfunctioning system. Fortunately, our expert furnace technicians can repair everything from small issues like dirty filters and faulty pilot lights to severe airflow imbalances and cracked heat exchangers. Contact us today and get expert, free troubleshooting on your furnace issues.

Signs you need a furnace repair include:

  • Dirty air filters
  • Restricted air flow in vents
  • Pilot control problems
  • Frequent cycling
  • Strange smells
  • Strange noises
  • Dirt and dust build-up
  • Carbon monoxide detected
  • The burner flame is yellow
  • Short cycles
  • Leaks around the unit

Common Furnace Symptoms We Fix

  • Short cycling, strange noises, cold spots — diagnostics + targeted repairs.
  • High bills or weak airflow — check filters, ducts, and blower performance; consider duct sealing.
  • Frequent breakdowns — we’ll advise whether a replacement is more cost-effective.

What to Expect from Our Madison Furnace Repair Team

Our Madison furnace technicians start every visit with a quick conversation about what you’re seeing, from strange smells to rising energy bills. Then we get right to work diagnosing the problem so you know exactly what’s going on with your system.

Here’s how a typical repair visit works:

  • Arrival and safety check: We arrive during your scheduled window, confirm the issue, and verify that your gas, electrical, and venting connections are safe.
  • Up-front options: After testing your furnace, we explain what we found in plain language and share repair options with pricing before any work begins.
  • Focused repair work: Your technician starts the approved repair and keeps you updated as the job moves along.
  • Clean-up and next steps: We tidy the work area, review what was fixed, and answer questions about filter changes, thermostat settings, and future maintenance.

Common Furnace Problems

The severity of the problem and the age of your furnace will determine whether or not your home or business requires a new furnace installation. In many cases, our experienced heating contractors can repair or replace broken furnace parts. However, if your unit is over 12 years old, it may be time to consider installing a new furnace. The good news is that our Wisconsin furnace techs will do everything in our power to save your system and help your furnace function at peak efficiency for as long as possible.

Common furnace problems include:

  • Imbalanced airflow: If one room in your home is warm while others are cold, your furnace might have imbalanced airflow. That’s why, instead of trying to fix this issue yourself, it is better to call an experienced professional.
  • Leaky ducts: Broken and cracked ductwork could cause warm air to leak out of your home. Not only is this a waste of money, but it also forces your furnace to work overtime to compensate for the lost heat, thereby driving up your energy costs.
  • Faulty pilot light: Your furnace’s pilot light can fail for a number of reasons. It could be a damaged thermocouple, clogged gas pipes, or even a draft. Fixing the pilot light could require a new part or all new piping.
  • Broken blower motor: While replacing your furnace’s blower motor may sound like a simple process, it involves more than just swapping out a single part.
  • Cracked Heat Exchanger: A cracked heat exchanger reduces your furnace’s efficiency and allows dangerous gases, such as carbon monoxide, into your home.
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Why Hire Southport Plumbing, Heating and Cooling for Heater Repair in Madison and Southeast Wisconsin

Thanks to our 155-strong team of professional HVAC contractors and an ever-expanding fleet of service vehicles, Southport Plumbing, Heating and Cooling offers fast furnace repairs throughout Southeastern Wisconsin. Call today to learn about available specials and financing options with approved credit from our licensed and insured furnace techs. Find out why Southport has an A+ rating with the Better Business Bureau for yourself.

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Read About Our Customers’ Recent Experiences

Ned Kramer
3 days ago
Andrew was very polite & went right to work. He found the problem in s few minutes. Pick up what he needed & installed it quickly & then made sure everything worked properly. 10+
Patti & Ned Kramer
Sandy Witkowski
4 days ago
The boydid an amazing job
Yes he did verygood
Deb Wadewitz
4 days ago
Was at my house in less than 1 hour after I called for a furnace not igniting. Phil was so nice and polite explained everything he did and fixed the problem. I was very happy with the service
Kelly B
5 days ago
Vincent did a phenomenal job with completing our Southport Shield HVAC services and providing an estimate for a new water softener. He clearly explained our options and reasons for recommended upgrades. He was professional, courteous, and knowledgeable!
Mary Hoffmann
5 days ago
My technician was patient and thorough in his investigation of my HVAC issue. After a long investigation and conference with the office, he was able to detect the problem, put in place a temporary solution with additional duct work to be completed in the coming days. Perseverance is the name of the game.
katelyn krapf
5 days ago
Technician was kind, thorough inspection and explained everything/ answered every question. I had a great experience
Diann Root
6 days ago
Anthony is very professional and an expert in boilers
John Vitkus
7 days ago
Great service on our geothermal unit and also checked out the humidifier and the outside air intake unit . Andrew is very professional and knowledgeable.
ken yorgensen
1 week ago
Jacob the Technician was on time and very thorough in completing my fall maintenance for my furnace.
Lars Jorgensen
1 week ago
Great experience on updating our HVAC systems to heat pumps/backup furnaces.
Ryan, Oliver, Andrew and Jacob (all installers for Southport) are wonderful, competent, and delightful young folks, who gave great service doing the physical upgrade of 2 older heat/ac systems.

I highly recommend Southport for your future HVAC upgrades. All the folks from the person doing the bids (Adam) to Manager (Jackson) to all the installers, are first class, professional and proud of where they work and what they do.
J. White
1 week ago
I was very happy with the overall process of obtaining a detailed quote on a new furnace.
Teresa Sorensen
1 week ago
Phil was very professional and his knowledge to do the job was awesome. Looking forward to the n winter months knowing our furnace will.work safely and keep our home warm this winter.
Robert
1 week ago
Southport holds my home warranty policy & Andrew came to do a fall inspection of the hvac system which is new within 2 years. He found an issue & recommended a few suggestions which I'll follow up on. Thanks and I'm sure I'll see them for the work needed.
Michelle Stone
2 weeks ago
Very good explanation on what problem was and finding solution and help with finacing.
Tech did great job will tell others
Bill Morse
2 weeks ago
Excellent work, quality craftsmanship! I would strongly recommend Southport Plumbing!
John Vitkus
2 weeks ago
Great service on our geothermal unit and also checked out the humidifier and the outside air intake unit . Andrew is very professional and knowledgeable.
Wally Perry
2 weeks ago
On time, friendly, knowledgeable...did a great job.
Paul Lyon
2 weeks ago
Vincent and Blake did a great job inspecting my home. They were honest, straightforward, and respectful. Hope to work with them again in the future.

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!