HVAC Repair Rapid City
Serving Rapid City, SD For Over 55 Years
Who We Are
We’ve been delivering HVAC repair in Rapid City, SD for over 55 years, providing residential and commercial customers with dependable, around-the-clock service. As a family-owned business rooted in the Black Hills area, we understand the unique climate demands of western South Dakota.
Our certified technicians service all makes and models of heating and air conditioning systems, including rooftop units, air handlers, boilers, chillers, heat pumps, and more. Whether you need emergency HVAC repair, routine maintenance, or a full system replacement, we’re the HVAC contractor Rapid City businesses trust.
Your Heating and Cooling System Specialist
Address: 3590 Mayer Ave. Sturgis, SD 57785
Local Number: 605-343-7800
Email: blackhills@rasmech.com
Office Hours: Monday – Friday: 7:00am – 4:00pm
24/7 Service Number: 1-800-237-3141
Local Reviews
“Rasmussen Mechanical Services goes above and beyond to ensure we keep our facilities running.”
Jerilyn Roberts – South Dakota School of Mines & Technology
“Our company has been doing business with Rasmussen for 10+ years. Great reputable company. Friendly and professional staff.”
Rich Stranges – Diamond Vogel Paint Store, Rapid City
HVAC Services We Provide
Commercial HVAC Repair
Heating and Cooling System Replacements
Air Conditioner Repair
HVAC System Maintenance
Boiler and Furnace Repair
Air Conditioning Services
Indoor Air Quality Solutions
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Why Choose Us
Rasmussen Mechanical Services is Rapid Cities’ trusted commercial HVAC service provider with over 55 years of experience in HVAC repair, maintenance, and installation. We specialize in servicing all major HVAC brands and equipment—including chillers, rooftop units, air handling units, and building automation systems. Our team delivers energy-efficient HVAC solutions, custom sheet metal fabrication, and expert project management. We ensure regulatory compliance while improving indoor air quality and system performance across the Midwest.
- Serving Rapid City, SD since 1970
- 3rd Generation Family Owned Company
- 24/7 Emergency HVAC Service
- Most Experienced Technicians In The Industry
Rapid City HVAC Repair FAQs
What kinds of HVAC systems do you work on?
We repair heating and cooling systems of all types, including rooftop units, split systems, chillers, boilers, VAVs, and air conditioners.
Can you fix systems from any HVAC manufacturer?
Yes. Our team has experience with all the major brands—Carrier, Trane, Lennox, York, Daikin, and many others.
What areas around Rapid City do you provide HVAC service to?
We proudly serve Rapid City and the surrounding Black Hills region, including Spearfish, Sturgis, Box Elder, Hot Springs, and Custer. Whether you’re in a rural facility or a growing city, our HVAC technicians are ready to respond quickly across the western side of the state.
What industries do you serve?
We provide quality service on a wide range of commercial and industrial environments, including schools and universities, healthcare facilities, retail stores, data centers, warehouses, manufacturing plants, and new construction projects. Our team delivers customized HVAC solutions tailored to the specific needs of each industry, ensuring comfort, efficiency, and regulatory compliance. We’ll meet your residential and commercial needs!
