COMMERCIAL HVAC REPAIR SIOUX CITY
Serving The Sioux City Area For Over 55 Years
WHO WE ARE
We have been performing commercial HVAC repair in Sioux City, IA for over 55 years! We pride ourselves on being able to work on all makes and models of heating and cooling equipment and are available 24/7 to perform emergency repairs. As a locally owned family-run business we employee the best technicians in the industry to ensure we can handle all of your heating, ventilation, and air conditioning needs.
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: 7:00 – 4:00pm Monday through Friday
HVAC SERVICES WE PROVIDE
- Commercial HVAC Repair
- Complete HVAC Replacements
- HVAC System Maintenance
- Boiler And Furnace Service
- Indoor Air Quality Solutions
WHY CHOOSE US
Rasmussen Mechanical Services is Sioux City’s 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, boilers, heat pumps 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 Siouxland.
Serving Sioux City since 1970
3rd Generation Family Owned Business
24/7 Emergency Service
Most Experienced Technicians In The Industry
WE CAN HELP
Proper maintenance is crucial for optimal performance of HVAC systems, and we are committed to providing regular professional upkeep. We put customer satisfaction first and have extensive experience in managing installations for complex commercial setups. This includes manufacturing facilities, office buildings, retail spaces, data centers, hospitals, and educational institutions. We also specialize in new construction HVAC projects.
Local Reviews
“As always Rasmussen pulls through with the great work they do for our company. Highly recommend their service for your needs. Great guys to work with!”
– Simon Topete. Smithfield Foods, Sioux City Plant
“Jobs on Saturday were executed very nicely and successfully. Tell the team good job!”
– Thomas Gottschalk. WestRock Corrugating Division, Sioux City
FAQ
What kinds of commercial HVAC systems do you work on?
We service just about every type of commercial HVAC system out there—rooftop units, split systems, boilers, chillers, VAVs, and more. Whether you’re running a school, office, or industrial facility in Sioux City, we’ve probably worked on something just like it.
Do you offer emergency HVAC repair in Sioux City?
Yes, we do. HVAC problems don’t wait for business hours, and neither do we. Our Sioux City Team is on-call 24/7 for emergency commercial HVAC repairs. When it’s urgent, we show up fast.
How quickly can you get here if there’s a problem?
Pretty quick. We’ve got techs based right here in Sioux City, so we’re able to respond fast—usually the same day, especially if it’s a system-down issue.
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. No matter what’s on your roof or in your mechanical room, we can take care of it.
What are the signs something’s wrong with my HVAC system?
Higher energy bills, uneven heating or cooling, loud noises, strange smells, or just not keeping up like it used to—those are all signs it’s time to have it looked at. If something feels off, it probably is.
SCHEDULE YOUR SERVICE TODAY!
GET THE HELP YOU NEED FOR ALL THINGS MECHANICAL