LITTLETON COMMERCIAL HVAC REPAIR
Proudly Serving Littleton, Colorado For Over 55 Years
WHO WE ARE
Rasmussen Mechanical Services has been providing commercial HVAC repair in Littleton, CO for over 55 years. We specialize in diagnosing, repairing, and maintaining complex commercial and industrial HVAC systems across all major makes and models. Our technicians are available 24/7 for emergency commercial HVAC repair, helping facilities minimize downtime and restore comfort quickly. As a third-generation, family-owned company, we employ some of the most experienced HVAC technicians in the industry.
Contact Us
Proudly Serving Littleton, CO
Main: 303-292-1113
24/7 Service Line: 1-800-237-3141
Email: rockymountain@rasmech.com
Address: 15335 E. Fremont Dr. Centennial, CO 80112
Office Hours: Monday – Friday: 7:00am – 4:00pm
HVAC SERVICES WE PROVIDE IN LITTLETON
Commercial HVAC Repair
Fast, reliable commercial HVAC repair for all makes and models. Our technicians provide expert diagnostics, troubleshooting, and repairs to restore efficient operation and reduce business interruption.
Complete HVAC Replacements
When repair is no longer cost-effective, we provide full system replacements with options tailored to your facility’s layout, load requirements, and budget.
HVAC System Maintenance
Preventative maintenance programs, performance checks, seasonal servicing, and emergency repair support to extend equipment life and reduce unexpected failures.
Boiler & Furnace Service
Commercial boiler and furnace repair, maintenance, and replacement for hot water and steam systems serving Littleton facilities.
Indoor Air Quality Solutions
Air filtration, ventilation improvements, make-up air units, humidity control, and control upgrades to improve indoor air quality and occupant comfort.
Chiller & Cooling Tower Services
Repair and maintenance services for commercial chillers and cooling towers supporting process cooling and large-scale HVAC systems.
Rooftop Unit (RTU) Services
Repair, replacement, and installation of commercial rooftop units serving office buildings, warehouses, and retail facilities.
Building Automation Systems
Installation, integration, and optimization of building automation systems (BAS) to improve energy efficiency, remote monitoring, and HVAC system control.
Commercial Heating Solutions
Expert repair and service for commercial heating systems including heat pumps, boilers, furnaces, and packaged units from leading manufacturers.
WHY CHOOSE US FOR COMMERCIAL HVAC REPAIR
Rasmussen Mechanical Services is a trusted provider of commercial HVAC repair in Littleton, CO, with over 55 years of experience servicing complex HVAC systems. We work on all major HVAC brands and equipment, including chillers, rooftop units, air handling units, boilers, and building automation systems.
Our team delivers reliable, energy-efficient solutions while maintaining regulatory compliance and system performance for commercial and industrial facilities.
Serving Littleton since 1970
3rd Generation Family-Owned Business
24/7 Emergency Commercial HVAC Repair
Highly Experienced, Industry-Certified Technicians
NATE-Certified Specialists
Service Areas: Littleton, Columbine, Ken Caryl, Lakewood, Englewood, Bow Mar, Grant Ranch, and surrounding Denver metro communities
COMMON COMMERCIAL HVAC PROBLEMS TO WATCH FOR
Refrigerant leaks reducing cooling efficiency
Dirty condenser coils causing system strain
Clogged drains leading to leaks or water damage
Unusual noises indicating mechanical issues
Dirty or restricted filters impacting airflow and IAQ
If you notice any of these issues in your Littleton commercial facility, contact our HVAC repair team for prompt diagnosis and service.
AIR CONDITIONING EXPERTS
Proper maintenance and timely repair are critical for reliable HVAC performance. We support manufacturing facilities, office buildings, retail spaces, hospitals, schools, and data centers throughout Littleton. Our team also supports new construction and system upgrades, delivering energy-efficient HVAC solutions designed for Colorado’s climate.
WHAT IS COMMERCIAL HVAC?
Commercial HVAC systems provide heating, cooling, ventilation, and air quality control for large-scale buildings such as offices, hospitals, schools, and industrial facilities. These systems are more complex than residential HVAC, handling higher loads and often integrating automation and energy-management controls to support business operations.
HOW DOES A COMMERCIAL HVAC SYSTEM WORK?
Commercial HVAC systems condition air using heating equipment (boilers or furnaces), cooling equipment (chillers or rooftop units), and ventilation systems that distribute and filter air throughout a facility. Many Littleton commercial HVAC systems include building automation to optimize performance, reduce energy use, and prevent downtime.
INDOOR AIR QUALITY IN COMMERCIAL SPACES
Indoor air quality plays a critical role in occupant health, productivity, and comfort. Proper ventilation, filtration, humidity control, and routine HVAC maintenance are essential to maintaining clean indoor air. Our commercial HVAC specialists evaluate IAQ concerns and implement solutions tailored to your facility’s needs.
THE BENEFITS OF PREVENTIVE MAINTENANCE
Preventive maintenance helps avoid unexpected breakdowns, reduces repair costs, and extends equipment life. Our commercial HVAC maintenance plans include inspections, filter changes, coil cleaning, performance testing, and proactive repairs. For Littleton businesses, routine maintenance improves reliability, efficiency, and year-round comfort.
BOILER INSTALLATION AND BOILER REPAIR
Our expert technicians provide comprehensive boiler installation and boiler repair services tailored to meet the specific needs of your commercial facility. Whether you need a new energy-efficient boiler installation or prompt repairs to restore your existing system, we can help. With extensive experience working on all major brands and models, our skilled technicians deliver quality work and prioritize customer satisfaction. Regular maintenance and timely repairs help maintain peak efficiency, reduce downtime, and extend the lifespan of your boiler system, keeping your business comfortable and operational year-round.
LOCAL REVIEWS
“For all of my company’s boiler needs, I won’t go anywhere else. George, Gus, Carrie, they have all the connections that I will ever need, from boilers to automation controls.”
Dale Meyer, Stranahan’s Whiskey Distillery & Cocktail Bar
“Stacey and Aaron have been awesome. Great to work with and really exceptional with resolving issues. I have a 100 confidence with your team. St Julien has found a vendor of choice.”
Ron Gallion, St Julien Hotel & Spa
SCHEDULE YOUR SERVICE TODAY!
GET THE HELP YOU NEED FOR ALL THINGS MECHANICAL