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Commercial HVAC is a different job from residential. The equipment is bigger and usually lives on the roof, but the real difference is what's at stake: keeping the doors open, meeting code, and protecting a maintenance budget across a building's whole life.
When the HVAC goes down, business stops, kitchens close, stores empty, tenants call. Commercial work is judged first on keeping you running.
Commercial spaces have to meet ventilation, fresh-air, and safety codes that homes don't, especially restaurants, clinics, and assembly spaces.
Rooftop units (RTUs) are the commercial workhorse, and they last when they're on a schedule. Planned service keeps them running and budgets predictable.
By building type
Kitchens throw off enormous heat and exhaust hoods pull conditioned air out fast, the system has to keep up while staying balanced.
Comfort complaints and stale air quietly cost productivity, and a single zone rarely satisfies a whole floorplan.
Customer comfort is sales, and the front door is a constant heating and cooling load all day.
Heating large, high-bay volumes efficiently and moving air safely is the core challenge.
Clinics need precise temperature, controlled humidity, and clean air, and they're held to code.
Multiple units and common areas mean many systems, many tenants, and a maintenance budget to protect.
Get a commercial quote
Whether it's a single rooftop unit or a property full of them, we'll assess what you have, what your space needs, and give you a clear, honest commercial quote, with service scheduled around your hours.
Keep exploring
Start over: learn the basics, compare your options, then take the next step.
Heil, Goodman, and AprilAire, what each is known for, how the tiers compare, and which is right for your home.
Hot-and-cold upstairs, bonus rooms over the garage, sunrooms, additions, the real fix for every comfort trouble spot.
From a single rooftop unit to a full property, Gray Duct's in-house team services commercial heating and cooling on a schedule that fits your hours, across the Twin Cities metro. See where we work.