Caledonia’s Leading Commercial HVAC & Plumbing Contractor
Specializing in Custom Systems & Repairs
Based near Caledonia, Southport Engineered Systems delivers custom commercial HVAC and plumbing solutions across Southeast Wisconsin and Northern Illinois. Our expert team brings decades of combined industry experience to design, build and maintain building systems to optimize your performance and efficiency. 
We handle every aspect of HVAC and plumbing projects - from initial system design through installation and ongoing maintenance. Count on us for around-the-clock emergency repairs and service. Our experienced professionals work within your budget to create solutions aligned with your facility's requirements and operational goals.
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Our Commercial Capabilities
Partner with us to get your facility operational faster. We provide comprehensive communication and precise execution throughout your project. Our commercial offerings include:
- Rooftop Units (RTUs)
- Package HVAC units
- Geothermal heating and cooling
- Ventilation systems and multiple unique ventilation zones
- Custom ductwork
- Humidifiers and chilled water systems
- Terminal units
- HVAC piping
- Sheet metal work
- Water, waste and storm sewer systems
- Deionized water piping
- Compressed air systems
- Utility and industrial process piping
- Backflow testing
- Locating and camera services
- And more
We utilize advanced project management software and prefabrication capabilities to provide timely, on-budget results.
Commercial HVAC Systems
We are the largest Carrier dealer in Southeast Wisconsin and Northern Illinois, and we service all common industrial HVAC units.
- York
- Trane
- American Standard
- Johnson Controls
- Lennox
Our cost-effective solutions and attention to detail set us apart from our competitors.
Common HVAC Services Offered
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Commercial Plumbing Systems
Work directly with us to streamline your commercial plumbing projects. Our in-house prefabrication capabilities eliminate supply chain delays and reduce costs. We have extensive experience serving diverse facilities, from educational institutions to senior living communities.
Common Plumbing Services Offered
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Commercial Fire Sprinkler Systems
Our engineering team designs fire protection systems tailored to your commercial property needs. We meet full compliance with NFPA and SPS standards, offering wet pipe, dry pipe, pre-action and deluge systems to keep your facility protected.
- Inspection
- Retrofitting and remodeling
- Emergency backup power and lighting
- Maintenance
Common Fire Protection Installations
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Serving Caledonia Businesses in All Major Industries
We deliver efficient, buildable plumbing solutions throughout the Caledonia region. Our experienced team combines superior craftsmanship with custom-fabricated components for both new construction and facility upgrades.
Common Industries We Service