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Your Plumbing and HVAC partner in

Rapid City & Hot Springs, SD

Since 2010, our Rapid City team has proudly served the Black Hills with expert plumbing and HVAC services. With 58 employee-owners strong, we treat every customer like family—whether it’s an emergency call or a new furnace install, we’re here when you need us most. In March of 2026, we aquired Bill's Heating and Cooling in Hot Springs to better serve the Black Hills area!

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Services Offered in Rapid City & Hot Springs

Plumbing, HVAC and design-build expertise with that hometown heart. Our Rapid City & Hot Springs teams bring decades of mechanical contractor experience to keep your home and business running smoothly—from repairs and installs to full-scale system design.

Plumbing

Rapid City - 605.394.9636 and Hot Springs - 605.745.6510

From leaky faucets to full-scale commercial systems, our licensed experts handle it all with precision and pride.

HVAC

Rapid City - 605.394.9636 and Hot Springs - 605.745.6510

Furnace repair, A/C installation, commercial heating and cooling—we design, install and maintain systems that keep you comfortable year round.

Design-Build

Rapid City - 605.394.9636

BIM modeling, CAD plans and prefabrication built in house to streamline and simplify commercial plumbing installs.

Brands We Trust

RAPID CITY, SD

BRANCH OFFICE

3536 Eglin St, Rapid City, SD 57703
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Real Talk from Real People

Whether it's customers singing our praises or employees who've stuck with us for decades, here's what folks are saying.

  • "We appreciate knowing the approximate time a service person might arrive. We also like the 'Work Performed' on the invoice. It really helps keep our records straight. We have been very happy with the service from CC/MWM. We have had a few situations with our indoor pool which needed attention. Tristan was able to solve both of these. We have been happy with the work done several years ago with the new piping also."

  • "Midwestern Mechanical's BIM modeling capabilities saved our hospital project significant time and money. Their virtual construction coordination identified and resolved conflicts before we reached the field, and their fire protection design expertise ensured we met all healthcare facility requirements. The entire process was seamless from design through completion."

  • "When our water heater died on a Sunday morning with three kids needing baths, they were at our house within an hour. The technician explained everything clearly and had us back up and running the same day. Being employee-owned really shows—they care about our family like their own."

  • "When sewage started backing up into our basement, we were panicked. They were here within 45 minutes, even on a Saturday evening. The crew worked through the night to get everything flowing properly again and cleaned up everything perfectly. You can tell they really care about doing things right."

  • "Our water pressure had been getting worse for months, then one morning we had almost no water at all. They diagnosed a collapsed water line and had us back to full pressure by the end of the day. The crew was professional, clean, and explained everything clearly. Our water has never worked better."

Proud of Our People, Proven by Results

We are excited to share our lastest achievements and news!

Awards and Certifications
  • PHCC National Association Apprentice Competition 2026

    A big congratulations to Chris Cool from our Sioux Falls location for taking 1st Place in the Plumbing division at the South Dakota PHCC National Association Apprentice Competition! He will represent South Dakota in Milwaukee, WI, this fall. Congratulations to Jantzen Fisher from our Rapid City branch for taking home 2nd place in the HVAC division.

  • Platinum York Dealer Award for 2025

    Our Spencer, IA, location was honored to be the recipient of the Platinum York Dealer Award for 2025. Accepting the award was Branch Vice President Donavon Wunschel, and Corporate Vice President Brigham Wachal.

    Got Questions? We've Got Answers.

    Whether it's a furnace emergency or planning your HVAC upgrade, our Rapid City & Hot Springs teama make complex mechanical systems simple for Black Hills property owners.

    • Do you offer 24/7 emergency service?

      Absolutely—emergency plumber and HVAC technicians available around the clock because breakdowns don’t wait for business hours. 

    • What areas do you serve from Rapid City?

      Our Rapid City location serves the metro area plus Box Elder, Black Hawk, Summerset, Hill City, Custer, Spearfish—throughout the Black Hills region where you need reliable plumbing and HVAC services.

    • Can I get a quote online?

      You can start the process online by clicking “Get a Quote” below, and our Rapid City team will call you with your free estimate. For immediate assistance, call us directly at 605.394.9636.

    • What kinds of systems do you install and service?

      Complete plumbing systems, water heater installation and repair, furnace repair and installation, AC installation and service, plus commercial HVAC for businesses throughout the Black Hills.

    • Do you work on residential and commercial projects?

      Both! From home furnace repair to complex commercial HVAC installations. Same family-focused care, whether it’s your bathroom remodel or your business climate control needs.

    • How long have you been in business?

      Founded in 1983, Rapid City location since 2010. That’s 40+ years of mechanical contractor expertise and 14+ years serving as your trusted Rapid City neighbors.

    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.

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