Climate Change On Demand®


Southeast Wisconsin's Preferred Commercial HVAC Service

The HVAC repair technicians at Southport design, install, and repair commercial HVAC units for businesses in Southeastern Wisconsin and Northern Illinois. We service all common industrial units and provide 24/7 emergency repair at a moment’s notice. Whether you need a new build or remodel, Southport’s team of engineers and heating and cooling contractors will handle your job with precision and care.

Get help with rooftop units (RTUs), package HVAC units, industrial heat pumps, geothermal heating and cooling, ventilation systems & more from all major brands. No part of your commercial HVAC system exceeds our scope.

HVAC Design For Commercial Properties

Your commercial property makes an impression. Make it a great one! When you work with Southport Engineered Services, you’ll be on your way to occupancy sooner with our HVAC design and prefabrication process. Southport's HVAC systems will keep your building’s tenants, employees, and visitors comfortable and safe. See more on our design capabilities for your next project.

The Best in HVAC Prefabrication & Project Management

We prefabricate HVAC ductwork whenever possible and use advanced integrated software systems to keep you on or ahead of your construction schedule. And we take care of HVAC piping and sheet metal work, too, making us the smart and efficient choice to keep your process moving. Let us bring our decades of commercial HVAC experience to your project. With Southport’s prompt and professional service and delivery, you’ll be glad you did.

Depending on the project scope, your facility may only require a heat exchanger and custom ductwork. It may also require a larger air handler, a chilled water system, and multiple unique ventilation zones. Whatever the case, Southport will design and fabricate custom ductwork to fit your HVAC system needs.

Southport Designs HVAC Systems to Suit

  • Air Conditioners
  • Condensers
  • Humidifiers
  • Air Handlers
  • Chilled Water Systems
  • Terminal Units

Offering the Best in Rooftop Units & HVAC System Installation

Southport Engineered Systems designs, installs, and repairs rooftop units (RTUs). As the largest Carrier dealer in Southeastern Wisconsin and Northern Illinois, we’ll install your Carrier packaged rooftop AC unit within your HVAC budget, performance needs, and specifications. Your requirements are always at the forefront of our work.

Why We Install Carrier Rooftop Units

Carrier RTUs are high-efficiency machines with low operating volume and enhanced dehumidification. Carriers provide superior heating ability with a small footprint. No other rooftop unit comes close at a value like Carrier for features including:

  • High energy efficiency
  • Low operating volume
  • Enhanced dehumidification capability
  • Superior heating and a smaller footprint

Your Trusted Commercial HVAC Systems Installer

Trust Southport Engineering Systems for your commercial HVAC system installation needs. Our team performs seamless and efficient installations, ensuring your space is optimally comfortable and energy-efficient. Reach out and we'll help develop a solution that works best for your needs.

Commercial HVAC Repair for All System Makes and Models

Functioning HVAC is critical to your building’s comfort, safety, productivity, and overall function. No matter what type of HVAC system you have, Southport Engineered Systems has you covered. Our commercial furnace and heating repair service will keep your facility shielded from the cold. Beat the heat with Southport’s air conditioning repair service. Is it an emergency? Southport Engineered Systems offers emergency HVAC repair!


HVAC Brands We Service

Industries We Repair and Install HVAC Units For

Municipal HVAC Services

Southport Engineered Systems is proud to have designed several complex commercial HVAC systems across Southeastern Wisconsin from senior community housing in Racine to an assisted living facility in Menomonee Falls. We face challenges head-on and work directly with your team to overcome whatever’s stopping you from having the best commercial HVAC system available.

From design and prefabrication to installation, maintenance, replacement and repair, you can count on Southport Engineered Systems to deliver consistent, professional service to keep your operations running smoothly.

Fire Protection