Plumbing, Heating & Air Conditioning in Marathon

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Our service teams are a familiar presence navigating the steep grades and scenic overlooks that define the Marathon landscape. We recognize that the geography of the Big Rib River valley creates unique atmospheric demands, from the dense fog and humidity of the lowlands to the exposed, wind-swept ridges that test the insulation of your home. Whether we are parked near the local schools or assisting a homeowner along Highway 107, we bring a specialized understanding of how the Marathon County climate impacts local infrastructure. We have spent years fine-tuning the mechanical systems of this community, ensuring that families stay warm during the sub-zero deep freezes and refreshed during the peak of summer.

Get in touch with our team today to ensure your household systems are ready for the upcoming season.

Plumbing Services

Marathon residents often deal with unique water pressure challenges and mineral-rich groundwater that can lead to premature pipe wear. To keep your fixtures in top shape and your basement dry, we offer:

  • High-performance water softening system installation to neutralize the heavy mineral content found in local aquifers.
  • Professional drain cleaning to clear out years of buildup and prevent catastrophic backups.
  • Modern water heater replacement for energy-efficient, consistent hot water.
  • Reliable sump pumps to protect your foundation from the heavy spring runoff.
  • Advanced leak detection to pinpoint hidden drips behind walls or under slabs.
  • Kitchen and utility help, including garbage disposal repair and gas lines for new appliances.
  • Rapid frozen pipe repair to restore your water supply during the most brutal cold snaps.
  • Robust commercial plumbing for local businesses and agricultural operations.

Connect with our plumbers in Marathon today to maintain a high-functioning home.

Air Conditioning

When the summer heat settles over the valley, your home should be a sanctuary of cool air. We specialize in keeping Marathon households comfortable with efficient cooling solutions.

  • Fast AC repair for all major equipment brands to restore your comfort quickly.
  • Quality central AC installation designed for your home’s specific layout.
  • Seasonal AC maintenance to lower your energy bills and prevent mid-season breakdowns.
  • Specialized ductless AC service for targeted cooling in specific rooms.

Call our cooling team to schedule your seasonal tune-up today.

Heating Solutions

Winter in Marathon can be relentless, making a dependable heating system a necessity for your family’s safety. We provide robust heating solutions to keep the Wisconsin winter at bay.

  • Emergency furnace repair to restore your heat source when the mercury drops.
  • Modern heat pump solutions for high-efficiency temperature control throughout the year.
  • Specialized boiler repair and radiant heating installation for cozy, even warmth.
  • Intelligent thermostat installation to put precision climate control at your fingertips.
  • Comprehensive HVAC inspections to identify and resolve small issues before they become expensive failures.

Protect your home this winter by scheduling a heating check-up with our professionals.

Indoor Air Quality

Marathon homes are often sealed tight against the winter wind, which can lead to trapped pollutants and stagnant air. We offer the technology needed to keep your indoor environment healthy.

  • Deep duct cleaning to strip away allergens, dust, and dander.
  • Whole-home air purifiers and medical-grade HEPA filters for cleaner breathing.
  • Balanced moisture with whole-house dehumidifiers and whole-house humidifiers.

Start breathing easier by contacting our air quality specialists now.

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Why Choose Southport Plumbing, Heating & Cooling?

We have spent years building a reputation in Marathon for being the team that understands the specific needs of hilltop and valley homes.

  • Local technicians who are familiar with the specific building codes and challenges of Marathon County.
  • Service trucks that arrive fully equipped to handle most repairs on the first visit.
  • Honest, transparent pricing with no hidden fees or surprise charges.
  • A deep respect for your home and your schedule.

Partner with the technicians that Marathon neighbors rely on for total home comfort.

Southport logo with blue 'SOUTHPORT' wordmark and orange 'PLUMBING • HEATING • COOLING' tagline.

Early Bird Special

Schedule in August = $99, Schedule in September = $129, Regular Price = $159

Offer cannot be combined with any other promotions, discounts, or special offers. Terms and conditions may apply.
Expires: 8/31/2026
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Read About Our Customers’ Recent Experiences

Brian Childers
1 day ago
I have a Shield maintenance agreement with Southport Plumbing Heading and Cooling.

The value for the plan is fantastic! They come out and help maintain your plumbing, heating and cooling systems. Jacob from the HVAC side has come out to my home and has done an excellent job of keeping me aware of what is working well, and what I may need to keep an eye on.

Justan and Nathan from the plumbing side have also come out to my house and did the regular yearly maintenance. They too, do an awesome job of keeping me updated on how the plumbing is within my house.

I also was alerted to the battery being bad for my sump pump backup system and Justan and Nathan installed a new sump pump and a new backup system as well. The timing was impeccable as we faced a power loss for around 24 hours, and the battery was fully charged and the backup sump pump worked while we didn't have power! It was better paying for the backup system than a repair bill for a flooded basement.

To round it out, the office staff, Sarah did a great job helping me coordinate not only the visits for the maintenance, but also helped facilitate the installation of the plumbing work.

They keep giving great reasons why I'm a long term Southport Plumbing, Heating & Cooling customer!

Thank you!
Kate Cahill
2 days ago
Highly recommend for your HVAC needs! The salesman that came out to do the quote was professional and informative. The installers were incredible! Everyone was on time and on budget. Highly recommend! 10 out of 10 stars
sonam raptenpa
3 days ago
I am very satisfied with their service and products, they really did good job for installing new A/C this hot summer. The cost was reasonable and I am very happy with it, so thank you so much
Carli Brunner
5 days ago
I recently had a technician from Southport come out to provide a quote for a new furnace and air conditioning unit, and I was very impressed with the experience. They did a thorough inspection to determine the best fit for my property rather than offering a one-size-fits-all solution.

Caleb, the representative, was knowledgeable and took the time to explain all of my options. He educated me throughout the entire process, and made sure I understood the differences between each system so I could make an informed decision. The customer service was truly superb.

I would definitely recommend Southport to anyone looking for an honest, professional HVAC company. They primarily carry Carrier equipment but they do other options exclusively made by Carrier for Southport as well.
Jeff Knuth
5 days ago
Your team did a great job. They were very professional and friendly.
Stacy Ellsworth
6 days ago
Excellent customer Service! The technicians were professional, and highly experienced! They were able to come out the same day I called to give an estimate and do the actual install installations.
Shelby Williamson
6 days ago
Technician Anthony was professional, friendly and knowledgeable. I learned a lot during my scheduled visit and he fixed some minor nagging problems with noisy vents in my home. Appointment ended with a good plan going forward outlined. Thanks for the help!
Phil Tobin
1 week ago
Good discussion, options to consider, and a good, thorough installation
Jeanine Hanson Lewis
1 week ago
Tommy and Blake were so helpful. They went out of their way to explain everything throughly and left me with clear documentation on my issue as well as a full Plumbing System Evaluation. I received 3 different price structures and ways to save money. I would highly recommend this company! Thank you ever so much!
Lisa Moreno
1 week ago
Great service. Andrew was wonderful and made sure the installation was to his satisfaction by calling the vendor to ensure the faucet was seating correctly and got replacement parts shipped.
Susan Ventura
1 week ago
Very fast response, thorough, and very professional! Impressive service all around!
Brett Trulson
1 week ago
Technician diagnosed unit and found the problem within minutes. Very professional, highly recommended.
Beth Bourne
1 week ago
If you want WOW service, contact Southport! From my first call to schedule an emergency air conditioner unit replacement to the installation, Southport was professional, prompt, and priced fairly. (I originally called another company who was the complete opposite--Southport, however, fixed the issue and made sure I was completely satisfied!)
Nathan McCollough
1 week ago
Vincent good dude. Good work.
Ken Slagg
2 weeks ago
Going to get new central air. Caleb was absolutely great.
Sherley Benicek
2 weeks ago
Was having issues with my Generic generator trying to start up and misfiring. Smelled gas. Long story short HVAC team came out and tested all of the gas pipes. Everything tested good..
Cathy Koshak
2 weeks ago
My entire central air system needed to be replaced. The team that came out was very professional, thorough and knowledgeable. I had a very short timeframe to get this done and they accommodated everything I needed. I would definitely call them again for any of my future needs.
John
2 weeks ago
Very fast responses and action plans

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 Wausau and the surrounding areas. Contact us today!