Commercial HVAC Services |

HVAC Problems? We're On It.

From furnace breakdowns in the dead of winter to A/C failures during peak business hours, our commercial HVAC team brings expertise, reliability, and genuine care to every business we serve. We're the heating and cooling professionals businesses trust—because employee comfort affects productivity and customer experience matters. We treat every commercial project like your success depends on it. Explore our services to see how we can help.

A/C INSTALLATION & REPAIR

Beat the heat and keep customers comfortable. Our team handles commercial air conditioning projects from rooftop units to complex systems with minimal disruption.

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FURNACE INSTALLATION & REPAIR

Keep your business warm when it matters most. We install, repair, and maintain commercial furnaces that handle demanding schedules and keep operations running.

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Why Midwestern Mechanical

BUILT FOR BUSINESS. READY FOR ANYTHING.

For over 40 years, we've been the commercial HVAC company businesses trust when comfort and reliability matter most. Our employee-owned team understands that HVAC downtime affects your bottom line, so we respond fast and get it right the first time. With locations in Rapid City and Spencer, we're your local commercial HVAC experts.

Got Questions? We've Got Answers.

Every business has unique heating and cooling needs, and we're here to make commercial HVAC challenges easier to manage. Here are some of the most common questions we get from business owners and facility managers.

Do you handle large commercial HVAC projects?
Absolutely—from small businesses to large facilities, we have the team size and expertise to handle any commercial HVAC project or system complexity.
What areas do you serve for commercial HVAC?
We provide commercial HVAC services from our Rapid City and Spencer locations—covering western South Dakota and northwest Iowa.
Can you respond to commercial HVAC emergencies?
Yes—our commercial teams are available 24/7 because we understand that HVAC failures can disrupt business operations and affect your customers.
Do you provide preventive maintenance programs?
Definitely—our commercial maintenance programs prevent breakdowns, improve efficiency, and extend equipment life while keeping your warranty coverage intact.
Can you work around our business schedule?
We understand businesses can’t always shut down for HVAC work. We’ll coordinate installation and maintenance to minimize disruption to your operations.
What types of commercial HVAC systems do you service?
We service all commercial HVAC systems—rooftop units, split systems, heat pumps, boilers and complex multi-zone systems from all major manufacturers.

Need a Hand?

We've got you. For everyday service or a big project, hit the button below and we'll get the ball rolling.

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Emergency Services

Need help right now? Our crew's on call 24/7—just tap the button below and we'll be on our way.

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