Heating, Cooling & Plumbing Services in Grafton, WI

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Grafton’s mix of established neighborhoods and newer residential development means home systems can differ considerably across the community. An older house may have aging plumbing or heating equipment that has been updated over time, while newer homes can have different comfort concerns related to larger floor plans, finished basements, or changing household demands.

Southport Plumbing, Heating & Cooling serves Grafton through our Southeast Wisconsin service area. We handle furnace repair, AC repair, plumbing problems, drain cleaning, sump pumps, water heater repair, garbage disposals, and other heating and cooling needs.

Schedule HVAC or plumbing services for your Grafton home today.

Two workers in navy uniforms and caps pose in front of a blue service van with a roof ladder, outside a warehouse on a snowy day.

Heating & Cooling

Winter around Grafton puts heating equipment through months of regular use. Furnaces and boilers need to keep pace when temperatures remain below freezing, and problems such as short cycling, weak airflow, unusual sounds, or cold rooms can become much more noticeable during a prolonged cold spell.

Summer changes the workload. Heat and humidity put central air conditioners back into regular operation, while upper floors, additions, and finished spaces can sometimes be harder to keep comfortable than the rest of the house.

Book heating or cooling service when your Grafton home’s comfort starts changing.

Plumbing

Cold weather can expose vulnerable plumbing in Grafton homes, especially pipes running through exterior walls, garages, or other areas where temperatures can drop. Once winter gives way to thawing ground and spring rain, sump pumps and basement drainage can become a bigger concern.

Other plumbing problems develop regardless of the season. Slow drains can become recurring clogs, an aging water heater may struggle with normal household demand, and leaking fixtures or garbage disposal problems can make everyday routines more difficult.

  • Leaks, fixture problems, sump pumps, garbage disposals, and other household concerns can be handled through our plumbing services.
  • Drains that repeatedly clog or empty slowly may need professional drain cleaning to address the cause.
  • Reduced hot water, fluctuating temperatures, equipment noises, or moisture around the unit may indicate a need for water heater service.

Schedule plumbing service when a drain, sump pump, water heater, or other plumbing problem starts disrupting your Grafton home.

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Why Choose Southport Plumbing, Heating & Cooling?

  • Southeast Wisconsin experience: As a locally owned company, Southport works with home systems exposed to Wisconsin’s long heating seasons, humid summers, and periods of freezing weather.
  • Familiarity with different homes: Grafton’s established neighborhoods and newer residential areas can bring different HVAC, plumbing, basement, and comfort concerns.
  • NATE-certified HVAC technicians: Southport’s heating and cooling technicians use expert diagnostics and arrive with a fully stocked mobile warehouse for many repair needs.
  • HVAC and plumbing service: Homeowners can schedule help for furnaces, air conditioners, drains, sump pumps, water heaters, garbage disposals, and other household systems.
  • Upfront pricing: Detailed estimates are presented before work begins, without hidden fees.
  • Established customer record: Southport has an A+ BBB rating and more than 2,000 local reviews.
  • Ironclad Guarantees: Southport backs its work with Ironclad Guarantees, giving homeowners added protection and clear expectations for the service they receive.
  • Guaranteed quality: Systems include a 100% satisfaction guarantee, plus 30-day coverage on repairs, parts, and labor.
  • Options for larger projects: Homeowners considering qualifying system work can review available financing options.

Contact Southport Plumbing, Heating & Cooling to schedule service in Grafton.

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

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Air Cleaners / Humidifiers
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Read About Our Customers’ Recent Experiences

Debbra Thorne
13 hours ago
They gave a fair price for the work and they showed up on time. Very thorough and explain all they did. Good quality work
Carla Resch
2 days ago
Max and Noel replaced my furnace, and I'm very pleased with the work that was done. Thank you to Anthony for initiallyidentifying the problem and attempting to repair it. Thanks also to Justin for meeting with me late on a Friday afternoon to select a furnace, schedule an install and work through financing with me.
Patrick Stiennon
2 days ago
Look at ever issue I was interested in and explained options we could go from there. Was fine about sending me the option so I could think it over now or in the future.
Patti P
2 days ago
Travis and Luke did a thorough job inspecting our water heater, plumbing and furnace. We have a maintenance agreement and it seems worthwhile for our house heating, air conditioning and plumbing needs.
Wendy Zwolenski Lambert
2 days ago
The technician, Abe, was very helpful and efficient.
Laurie Poznanski
3 days ago
Needed my tub drain cleaned out. Very prompt and efficient, even did a full check of my entire system at no additional charge!! I don't want to jinx myself but i will definitely call them again in the future!!!
Stephen Bantz
3 days ago
Jake did a very through job checking out my furnace. Was able to answer any questions I had. Being part of shield program is great!
Ned Kramer
6 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
6 days ago
The boydid an amazing job
Yes he did verygood
Deb Wadewitz
6 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
1 week 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
1 week 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
1 week ago
Technician was kind, thorough inspection and explained everything/ answered every question. I had a great experience
Diann Root
1 week ago
Anthony is very professional and an expert in boilers
John Vitkus
1 week 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
2 weeks ago
I was very happy with the overall process of obtaining a detailed quote on a new furnace.

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 Milwaukee and the surrounding areas. Contact us today!