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.

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.
- If your cooling system isn’t keeping up with warmer weather, our air conditioning services cover repair and replacement needs.
- Finished basements, additions, and rooms without suitable ductwork may benefit from ductless mini-split systems.
- Homeowners interested in equipment that can handle both heating and cooling can explore available heat pump options.
- Uneven temperatures and equipment problems during cold weather can be addressed through our heating services.
- Homes that depend on hydronic heating can turn to Southport for professional boiler service.
- Forced-air systems struggling to maintain comfortable temperatures may need furnace repair or replacement.
- Dry winter air and uncomfortable summer humidity may be reasons to consider indoor air quality services.
- Homeowners who prefer routine attention for their equipment can learn about the Shield Maintenance Plan.
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.
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.

$150 off
Air Cleaners / Humidifiers
