Residential Services

Heating Maintenance in Caledonia, WI

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Most no-heat calls in Caledonia come during the first real cold stretch of the season, when a system that sat idle all summer gets asked to run for hours at a time. A heating tune-up in early fall finds the worn igniter, dirty flame sensor, or clogged condensate line before it shuts the system down. Southport’s NATE-certified technicians maintain furnaces, boilers, and heat pumps, and our Shield Maintenance Plan puts those visits on a schedule so you do not have to remember them.

Call 262-898-3000 to book a heating tune-up in Caledonia.

Bearded man in a blue uniform explains something to a customer holding a small brown dog indoors, near a wall with a light switch visible.

Benefits of Annual Heating Maintenance

A heating system that gets yearly attention runs more safely and costs less to operate. These are the main reasons to schedule a visit every fall.

  • Fewer breakdowns happen when worn parts get replaced on a planned visit instead of a January emergency call.
  • Lower gas bills follow from clean burners, correct gas pressure and a properly adjusted flame.
  • Safer operation comes from testing combustion and checking for carbon monoxide every year.
  • Longer equipment life results from reducing strain on blower motors, inducers and heat exchangers.
  • Warranty protection is easier to keep, since many manufacturers expect proof of regular maintenance.

What a Southport Heating Tune-Up Includes

Every visit starts with a look at how the system has been running and whether you have noticed any problems. From there, the technician works through a full inspection, cleaning and testing checklist.

For gas furnaces, that includes cleaning the flame sensor, checking and adjusting gas pressure, inspecting the burners and heat exchanger, flushing the condensate drain on high-efficiency units and tightening electrical connections. The technician runs a combustion analysis to confirm the furnace is burning fuel cleanly and completes a carbon monoxide safety check. The thermostat is tested for accurate operation and gets fresh batteries.

Boiler maintenance focuses on the parts that keep hot water moving. We check system pressure, the expansion tank, circulator pumps, zone valves, and the pressure relief valve, and we bleed trapped air so radiators and baseboard heat evenly. For heat pumps, we check refrigerant performance, clean the outdoor coil, and test the defrost cycle and backup heat.

You get a report of what we found, what was cleaned or adjusted, and anything that should be watched or repaired. If a repair is needed, you get the price before any work starts.

The easiest way to stay on schedule is the Shield Maintenance Plan. Members get three tune-ups a year covering heating, cooling, and plumbing, and Southport schedules each visit for them. Members also save 15% on repairs, get priority scheduling ahead of non-members, and earn a loyalty credit toward future upgrades. Caledonia members also receive discounts on after-hours and holiday service.

Furnace Tune-Ups

A furnace tune-up covers ignition, burners, the heat exchanger, the blower, and safety controls, plus combustion and CO testing.

Boiler Maintenance

Boiler visits cover pressure, circulation, venting, and safety devices. Homes with older cast iron boilers benefit most from yearly attention.

Heat Pump Maintenance

Heat pump maintenance covers both heating and cooling modes, so one visit prepares the system for winter while checking its summer performance.

Schedule Service TODAY In Minutes!

Why Choose Southport for Heating Maintenance?

Southport has an A+ BBB rating and more than 2,000 local reviews. Our technicians carry parts on every truck, so small problems found during a tune-up can often be fixed the same day with your approval.

Get ahead of the cold. Call 262-898-3000 to schedule heating maintenance in Caledonia.

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$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

Dan Oleary
1 day ago
Nathan was very detailed and explained things very well.
Sharon Edic
1 day 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 day 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 days 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
4 days 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
4 days 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
5 days 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
Diane Bilak
5 days ago
Phil was very professional, respectful and knowledgeable and pleasant. He explained everything to me in an easy way to understand. I would definitely use Southport again for my heating/air conditioning
needs.
Michael Bakkala
6 days ago
Professional and very on time.
Brittain Sellers
6 days ago
Great experience! A text was sent when the technician was on the way along with a map to know exactly when they will be here. Also a photo of the technician. Luke was great! Very kind and helpful in explaining things. Thank you!
Kathryn Ciurlik
6 days ago
New HVAC installed. Good response rate from team at Southport. Answered questions thoroughly.
Marylou Weise-Funk
1 week ago
Excellent work and very knowledgeable techs.
Donna Heusdens
1 week ago
Had a surge protector installed on furnace for my AC. Very professional was done in a short time.
Katie Bergs
1 week ago
Jacob was very professional, friendly, thorough, and made sure everything was working properly before the cold months ahead. Southport does a nice job.
Aaron Maldonado
1 week ago
Quinn was very helpful and took his time to fix the drain problem for the sink. Definitely was happy with the service he provided.
Anneka Lindholm
2 weeks ago
Southport completed a furnace inspection and tuneup, and same day fixed a couple things that had come up in their review. Their staff is kind, friendly, consistent, informative, and knowledgeable. Their explanation was thorough and their reports showed they really did their due diligence. They take their time to answer questions and leave the homeowner feeling confident. Can’t recommend enough.
Craig Willett
2 weeks ago
Tyler and Dakota installed our new A/C unit today. Right form the time they arrived (on time!) until they departed their professionalism, skills and gentlemanly manners never swayed. They are excellent representatives of Southport. More reasons why we use Southport exclusively! A job well done, Tyler and Dakota!

Andrew performed the annual plumbing inspection 2/20/2025. He is very knowledgeable and skilled in his work. He discovered a couple of situations that needed immediate attention. Those situations were promptly addressed and corrected. Like Tyler and Dakota Andrew is a stellar example of the excellent service from Southport!

On 10/22/2026, Tyler did the annual inspection on our furnace and found a couple concerns. He explained the situation and gave fair estimates. A great representative of Southport!

Also on 10/22/2026, Caleb stopped by abd presented estimates for replacing the furnace. He is very knowledgeable and presents all options very well. Another excellent representative of Southport!

On 10/23/2026 Service Technician Jacob performed the necessary repairs and cleaning of our furnace. Jacob is not extremely knowledgeable, he is personable and efficient. Definitely another outstanding representative of a great company. Well done, thank you!
Lynda Behringer
2 weeks ago
Southport was exceptional from beginning to end. We had an unfortunate incident last week Wednesday that lead us to having to replace our Furnace.

After an emergency call to our local Fire Department in Caledonia and WE Energies, we reached out to Southport Home Services. They had a Technician out early the next morning to evaluate the issue, within minutes Nathan Simons called and was in our home explaining the many options that best fit our needs. He was very detailed, thorough, knowledgeable and displayed outstanding customer service.

The Technicians installed our new Furnace that next day. We are beyond pleased and thank you Southport for the fabulous Customer Service and explaining our options.

We highly recommend Southport to any and everyone looking for Five Star service!!

Many Thanks!

Sincerely Lynda & Mark Behringer