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

Richard Kugler
3 days ago
I excellent service, decent pricing. Definitely recommend and would use again.
Susan Johnson
3 days ago
I have had two service calls now from Southport. Both times the servicemen were prompt and knowledgeable. Last evening I had called because I had a backup with my basement drain. I thought I could wait until Monday but when it backed up again, Thursday night, I called and they rescheduled me for an early morning appointment. Blake arrived and kept me informed of everything he was doing and what he was finding. He made sure to speak with his superior Throughout his time here.Even though it appears the drain was clear they stayed and made sure that I had no issues with the basement drain. Anytime I have had any questions or concerns the owner, Jackson has always addressed them
Promptly and assures, his customers are satisfied! I have been very happy with Southport
Kujt Sinani
3 days ago
After our home inspection flagged some plumbing issues, I contacted Southport Plumbing. From the very first phone call through the quote and final completion of the work, everything was handled professionally and smoothly.
Their customer service was fantastic — friendly, responsive, and helpful every step of the way. The plumber (Joe) who came out kept me fully informed throughout the process, which I really appreciated. There were no surprises or hidden costs; the final price matched the quote exactly.
They also left the worksite clean and tidy when they finished. Overall, a reliable, transparent, and high-quality service. I would definitely recommend Southport Plumbing and would use them again without hesitation
Rick Hansen
3 days ago
Have been dealing with Southport for 15-20 years. This is a quality business ! Dependable, knowledgeable and professional. Does not get better !!!
Quinn Warner
3 days ago
Everyone i delt with were really friendly. From the office girl that took my order to the two that did the install.
Maranda Webber
4 days ago
Had a great experience with Southport!!! Very reasonable prices, great service and all around great company to work with.
Carole Richard
4 days ago
Caleb was very, lvery professional, Answered our questions and assisted in providing the information I needed on the status of a furnace.
Lauren Wolter
4 days ago
Very knowledgeable and helpful. Called in morning about plumbing issue and they were to us within few hours.
We call Southport for all our havac and plumbing needs. Thank you.
Lynne Pitts
4 days ago
Southport Home Services is a great company and a great choice to take care of your HVAC needs. Although we have dealt with a couple of the other local service companies, we were lucky to come across Southport when we were ready to replace our furnace and AC. They made good, solid, recommendations, suggested going with a heat pump, and did NOT try to upsell us on more than we needed.

Jackson Barrow and the installation team were fantastic to work with; knowledgeable, patient, willing to explain and educate as they did their work. They fixed some issues with the previous system's infrastructure and made sure we were well taken care of. When we had a minor issue (no fault of Southport) Jackson and team came back out prompltly and took care of it, despite our request being a bit of extra work for them.

I really can't recommend them highly enough!
Gregory Polzin
5 days ago
Andrew was great from the beginning to end - got the problem solved. Even went the extra mile on servicing the furnace. Love how the company communicates and is right on time.
Pamela Leonard
5 days ago
Henry did an excellent job. He explained everything in detail and clearly maded it easy for me to understand. I would recommend Southport to everyone.
Josh Fessel
6 days ago
They replaced the whole house from outdated pipes, now my water pressure is where it should be.
Great friendly service, and great price for 2 whole days of work, would highly recommend
Mary Philips
6 days ago
Luke and Buck did a great job getting our furnace ready for winter, showed some tips on keeping our furnace running smoothly. They were personable, efficient, knowledgeable, and kept our mechanical room tidy. Thanks to Southport and Luke & Buck!
Dave Cummings
6 days ago
Great service!! Tyler was very informative!!
Wanda Alsten
6 days ago
We had an excellent experience with Caleb. He was professional, knowledgeable, thorough, and extremely helpful from start to finish. He took the time to explain everything clearly, answered all of our questions, and made sure we understood what was going on, and what our options were.

What really stood out was Caleb’s attention to detail and the pride he takes in his work. He was friendly, respectful of our home, and never made us feel rushed or pressured. It’s refreshing to work with someone who generally cares about doing the job right and providing great customer service.

We couldn’t have been happier with the service Caleb provided, and would absolutely recommend him and Southport, plumbing, heating and cooling. Thank you, Caleb, for the outstanding service!
Donna Mackenzie
7 days ago
Very knowledgeable !
An inspection of washer water valve
Tina Hartlaub
7 days ago
Great work, as always!
Frank Mazzie
1 week ago
Professional and personable installers. They did a great job.
Definitely. Rob S was very informative.

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!