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    Commercial HVAC Services

    Professional heating and cooling solutions for businesses across Rapid City and Spencer—keeping your operations comfortable with expertise you can trust.

    24/7 Emergency Service

    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.

    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.

    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.

    Why choose Midwestern Mechanical

    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.

    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.

    Get a Quote

    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.

    Call Now