SIOUX FALLS ROOFTOP AC REPAIR
Proudly Serving Sioux Falls For Over 55 Years
SIOUX FALLS ROOFTOP AC REPAIR SPECIALISTS
We have been performing rooftop AC repair in Sioux Falls, SD and nearby areas for over 55 years. As a locally owned, family-run, fully licensed HVAC contractor, we work on all makes and models of commercial and industrial heating and cooling equipment and offer 24/7 emergency repairs. Serving commercial and industrial clients throughout Sioux Falls, we specialize in rooftop HVAC systems, AC installation, repair, and maintenance. Our experienced technicians ensure your system runs efficiently, improving indoor air quality and energy savings.
CONTACT US
24/7 Service Number: 1-800-237-3141
Local Number: (712) 252-4613
Email: sales@rasmech.com
Address: 2425 East 4th Street, Sioux City, IA 51101
Office Hours: Monday – Friday: 7:00am – 4:00pm
HVAC SERVICES WE PROVIDE
- Commercial HVAC Repair
- RTU Replacements
- HVAC System Maintenance
- Boiler And Furnace Service
- Indoor Air Quality Solutions
WHY CHOOSE US
Rasmussen Mechanical Services is Sioux Falls’ trusted commercial HVAC service provider, with over 55 years of experience in rooftop AC repair, maintenance, and installation. We specialize in commercial cooling services and work on all types of HVAC and air conditioning systems. Our technicians handle repairs, maintenance, and installations for both commercial and industrial properties, delivering reliable, prompt service every time. Each technician on our team is highly trained, professional, and committed to quality workmanship. We offer free estimates for repairs and installations, making it easy to get started. Our experience includes all major HVAC brands and equipment, including chillers, air handling units, heat pumps, boilers, building automation systems, and specialized RTU installation services. We understand the unique needs of Sioux Falls businesses and provide HVAC solutions designed to perform through South Dakota’s demanding seasonal conditions. As a full-service HVAC company, we also provide furnace installation and repair, ensuring your building stays comfortable year-round. Whether you are managing a new construction project or upgrading an existing system, our team works closely with electricians and other trades to coordinate the installation and ensure all electrical and construction aspects are handled efficiently. Our skilled technicians install and service thermostats and other control systems to optimize your HVAC performance. We recognize that rooftop HVAC units house all heating and cooling components together, which requires specialized knowledge and effort for proper maintenance and repair. Our commercial HVAC services include comprehensive inspections to identify issues that could affect system efficiency or indoor air quality. We also provide emergency repair services to address breakdowns that could disrupt your business operations. Rasmussen Mechanical Services is fully licensed and insured, meeting all regional HVAC regulations and safety standards. We use ladder and crane access when necessary to safely service rooftop units, ensuring minimal disruption and maximum safety. Our preventative maintenance programs help extend the lifespan of your equipment and reduce energy costs, while improving indoor air quality and preventing mold growth. Choose Rasmussen Mechanical Services for your Sioux Falls rooftop AC repair and commercial HVAC needs. Contact us today to request a free estimate or schedule service with a trusted local company dedicated to quality, efficiency, and customer satisfaction.
Local Reviews
“Even the jobs on Saturdays were executed very nicely and successfully. Their team did a great job!”
Thomas Gottschalk – WestRock Corrugating Division
“The guys that they had come out here and do the work did a really good job and they were open to whatever I needed.”
Kendall Adler – Midwest PMS LLC
COMMERCIAL HVAC SERVICES FAQS
Do you offer rooftop AC (RTU) replacements for commercial buildings?
Yes. Rasmussen Mechanical Services specializes in RTU (rooftop unit) replacements, offering high-efficiency, energy-saving units from major manufacturers tailored to the specific needs of your commercial facility. Our comprehensive job includes safe removal of your existing rooftop unit, professional installation, and thorough system testing to ensure optimal performance and energy efficiency. We provide transparent pricing and free estimates, giving building owners and facility managers confidence throughout the entire process. Our technicians are NATE-certified and follow all Sioux Falls licensing requirements to ensure quality and compliance. Give us a call to discuss availability and options as we determine the best commercial HVAC system for your facility.
Why is regular HVAC system maintenance important for rooftop units?
Routine maintenance is essential for efficiency, reliability, and system longevity. Our maintenance programs include detailed inspections, filter replacements, system cleaning, and early detection of issues such as refrigerant leaks or worn components. Preventive maintenance can help reduce downtime, control energy costs, and extend equipment life, which is especially important during peak cooling and heating seasons in Sioux Falls. Our technicians perform thorough diagnostic tests and protect roof membranes during service, ensuring your rooftop unit operates safely and effectively. Maintenance agreements are available to prevent unexpected HVAC breakdowns and costly repairs, keeping your commercial HVAC system running smoothly year-round.
Do you provide indoor air quality solutions for commercial buildings?
Yes. We offer a full range of indoor air quality solutions, including air purification systems, ventilation services, and ongoing equipment maintenance. Clean, healthy air improves comfort, productivity, and overall building performance. Our team customizes solutions to meet the specific needs of each commercial facility.
What about other types of HVAC equipment?
Our service techs are experienced with all types of commercial HVAC equipment, including air conditioners, furnaces, boilers, chillers, and high-efficiency systems. We provide comprehensive heating and cooling services such as system sizing, preventive maintenance, emergency repairs, and efficiency upgrades. Reliable boiler and furnace service is especially critical during South Dakota’s cold winters, and our team is equipped to keep your systems operating safely and efficiently year-round.
Are you available 24/7?
Yes. We understand HVAC issues don’t follow a schedule. That’s why our team is available 24/7 to respond quickly with reliable repair solutions that minimize downtime and protect your operations. If it’s not an emergency, you can call us, and we can schedule service when your unit needs it.
HEATING AND COOLING LOCAL EXPERTS
When it comes to commercial HVAC repair in the Sioux Falls area, the comfort and safety of your building’s occupants come first. Our technicians service all types of commercial systems, including rooftop units, heat pumps, and air conditioners, ensuring optimal temperature control and fresh air circulation. Unexpected breakdowns can disrupt operations and increase costs, which is why we offer emergency repairs, routine maintenance, and long-term service plans tailored to your facility's specific needs. Our maintenance programs help prevent costly failures, extend equipment life, and maintain peak performance with a focus on energy efficiency and preventing mold growth. Whether you need a fast fix, a complete system evaluation, or expert guidance on a new installation or replacing outdated equipment, Rasmussen Mechanical Services delivers efficient, cost-effective HVAC solutions designed to keep your commercial HVAC systems running smoothly. Across all our locations, including Rapid City and the greater Sioux Falls area, our commitment is to provide great service and expertise that keeps customers comfortable while protecting your investment and supporting your business growth.
SCHEDULE YOUR SERVICE TODAY!
GET THE HELP YOU NEED FOR ALL THINGS MECHANICAL