Commercial HVAC, Plumbing & Process Piping Company in Franklin, WI

Franklin Mechanical Contractors & Engineers

We are Southport.

We employ the top commercial engineers and mechanics in Wisconsin. From commercial HVAC repair and installation to process piping installation and repair to custom-designed mechanical systems, you can trust our expert engineers at Southport. Our engineers arrive at the job site promptly, professionally, and ready to solve any challenge. Visit our Project Gallery to see on-site photos of our past work. Franklin, Wisconsin HVAC Installation & repair services

We offer 24-hour emergency HVAC maintenance calls. No matter the project, no matter the hour, you can count on us to fix the problem. Our extended services include prefabrication, plumbing system installation, VRF systems, geothermal heating systems, and fire protection systems. Southport has worked with hospitals, nursing homes, industrial manufacturers, laboratories, restaurants, schools, and governmental buildings. We service all Franklin neighborhoods including:

  • 76th and Southview
  • 88th/Lions Legend Park
  • Berkshire Drive
  • Briarwood
  • Deerwood
  • Froemming Park
  • Hales
  • Marquette Ave
  • Princeton Heights
  • Red Wing Meadows
  • River Highlands
  • Southwood 41st to 48th
  • Stonewood
  • Victory Creek
  • Whitnall Grove
  • Wyndham Hills

Commercial HVAC in Franklin, WI

Southport's team of commercial HVAC engineers handle everything from simple repairs to RTU installation. A faulty commercial HVAC unit can lead to inventory damage and a freezing office! Southport's commercial HVAC repair is fast, effective, affordable and warrantied.

Franklin WI Commercial HVAC Company

Commercial Plumbing in Franklin

From bathroom plumbing to industrial process piping, Southport offers superior commercial plumbing for businesses in Franklin. Our commercial plumbers work in offices, factories, strip malls and everything in between. We repair leaking toilets, engineer entire piping systems, implement plumbing components, and more.

Franklin Commercial Plumbers

Commercial Fire Protection in Franklin

Functional and effective fire protection systems are required by Franklin, Wisconsin fire codes. Southport Engineered Systems designs, installs and repairs commercial fire sprinkler systems for businesses in Franklin. Keep your property safe with professional fire protection system service.

Franklin Commercial Fire Protection Systems

Southport Engineered Systems is proud to serve businesses in 53132 and 53221.


Commercial System Maintenance for Southeastern WI

Southport has been providing repair, replacement & installation services in southeastern Wisconsin since 2005. Counties served include:

Serving Wisconsin Businesses since 2005Southport Engineered HVAC Systems in Wisconsin


BrookfieldBurlingtonCaledoniaDelavanElkhornFranklinGraftonGermantownGreendaleGreenfieldLake GenevaKenoshaMenomonee FallsMequonMilwaukeeMount PleasantMukwonagoMuskegoNew BerlinOak CreekPewaukeePleasant PrairiePort WashingtonRacineSheboyganSussex WaukeshaWauwatosaWest Allis, & West Bend.