Plumbing, Heating & Air Conditioning in Custer

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Whether we’re heading down Highway 10 or navigating the quiet residential turns near the Tomorrow River State Trail, we know this area by heart. You’ve likely spotted our white trucks parked near the local community centers or grabbing a coffee before heading out to a neighbor’s property for an emergency repair. We aren’t just passing through; we’ve become a fixture in the Custer community, ensuring that local homes stay resilient against the high humidity of summer and the biting winter winds that sweep across Portage County. Our crew understands the specific infrastructure of this region, from the specialized well-water needs of rural estates to the high-efficiency climate demands of the area’s newer builds.

Plumbing Services

Custer homeowners often face plumbing challenges driven by the local water table and the high mineral content common in central Wisconsin groundwater. According to the Wisconsin DNR, maintaining proper filtration and well-head protection is vital for protecting your home’s long-term infrastructure. We provide:

  • Precise leak detection to identify hidden issues before they cause property damage.
  • Specialized water softening system installation to treat local mineral buildup and prevent pipe scale.
  • Professional drain cleaning and expert snaking to clear stubborn debris and maintain flow.
  • Reliable water heater replacement featuring the latest high-efficiency tanked and tankless models.
  • Heavy-duty sump pumps to safeguard your basement from the high water table during the spring thaw.
  • Kitchen and utility help, including garbage disposal fixes and gas lines for new appliances.
  • Urgent frozen pipe repair to protect your property during sub-zero Wisconsin nights.
  • Robust commercial plumbing for local businesses and agricultural facilities.

Connect with our plumbers today to get your home’s water systems flowing perfectly again.

Air Conditioning

When the humidity settles over the central plains, a high-efficiency cooling system is your first line of defense. Our technicians are regularly active in Custer, ensuring units are optimized for peak performance during the warmest months.

  • Fast AC repair for all major equipment brands and models.
  • Precision central AC installation designed for your home’s specific layout.
  • Seasonal AC maintenance to boost efficiency and prevent mid-summer breakdowns.
  • Versatile ductless AC service for targeted comfort in specific rooms.

Give our cooling specialists a call to get your home ready for the next heat wave.

Heating

The winters in Custer can be long and unforgiving, making a functional system a necessity for your family’s safety. We specialize in keeping your home a warm sanctuary no matter how low the mercury drops.

  • Emergency furnace repair to restore warmth quickly on the coldest nights.
  • Modern heat pump solutions for efficient year-round temperature control.
  • Specialized boiler repair and radiant heating installation for consistent, even heat.
  • Smart thermostat installation to put precision climate control at your fingertips.
  • Full-service HVAC inspections to ensure long-term reliability.

Don’t wait for a cold snap. Schedule your heating inspection with our team now.

Indoor Air Quality

Spending more time indoors during the Custer winter can lead to stagnant air and increased allergens. We help you maintain a healthier environment with advanced air solutions.

  • Thorough duct cleaning to remove dust, pet dander, and debris from your system.
  • Whole-home air purifiers and medical-grade HEPA filters.
  • Humidity management with whole-house dehumidifiers and whole-house humidifiers.

Breathe cleaner today by asking our specialists about our air quality upgrades.

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Why Choose Southport Plumbing, Heating & Cooling?

Our team has been keeping busy on the streets of Custer for years. We understand the specific demands that local geography and Central Wisconsin weather put on your equipment.

  • Certified technicians who are familiar with the specific needs of Portage County homes.
  • Fully stocked service vehicles to ensure we can complete most repairs in one visit.
  • Honest, straightforward communication without the technical jargon.
  • A commitment to showing up on time and respecting your property.

Schedule your next service visit with the professionals your neighbors trust.

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

$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

Eric Hensley
4 days ago
I had a boiler system installed by Southport and everyone I interacted with was fantastic! After several quotes I selected them because I thought the company had a lot of integrity. I first got a quote from Caleb who was most professional, walking me through all the options they had for me and being very reasonable on the pricing. They scheduled the installation within a week and, on that day, the technicians Ryan and Jacob were excellent and very hard workers. I appreciated that they were very careful inside the house, putting shoe protectors while upstairs and overall being very respectful. They stayed until the job was done and my heat was restored. I would highly recommend Southport if you need a new boiler installation or and work or maintenance on your boiler, home heat, or water heating system.
Dave Frook
5 days ago
Justin did a great job explaining everything to us. He is very knowledgeable.
Mario Maritato
5 days ago
Timely, professional and friendly service.
David Geertsen
5 days ago
Southport did a good job, Justin was professional, thorough, did a great job !!
Darlene Severson
6 days ago
Thank you for sending Andrew Wenk to test our furnace. He could answer our questions clearly and tested all the important components and measured various pressures, temperatures, speeds, and other technical factors. He gave us 3 estimates for replacing parts that are needed due to age of the furnace. Andrew was pleasant and respectful to us.
JULIE GRIMM
7 days ago
Great technician. Grest communication and friendly. Jacob.
chris kwong
1 week ago
Jacob came over to install a new heat pump and do an annual HVAC maintenance check for winter. Appreciate how Jacob was friendly, communicative on progress/steps/etc, and open for questions!
Jackson ellis
1 week ago
Vincent came and assessed my furnace and was very helpful with diagnosing problems with it. Would definitely recommend them for any needs
Jackie Lambert
1 week ago
Fast and friendly. Thanks for getting my heat back on!
Karen Parrillo
1 week ago
Blake was very courteous and efficient in disconnecting our old dryer gas supply. We appreciate the quick response.
Diane Bilak
1 week ago
Nick and Dylan was very professional, respectful and knowledgeable and pleasant. Dylan explained everything to me in an easy way to understand. I would definitely use Southport again for my heating/air conditioning
needs.
Dan Oleary
2 weeks ago
Nathan was very detailed and explained things very well.
Sharon Edic
2 weeks 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
2 weeks 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 weeks 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
2 weeks 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
2 weeks 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
2 weeks 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