
WESTMINSTER COMMERCIAL HVAC INSTALLATION
Proudly Serving Westminster, Colorado For Over 55 Years

WHO WE ARE
Rasmussen Mechanical Services has been providing professional commercial HVAC installation in Westminster, CO for over 55 years. Our team designs and installs HVAC systems that deliver long-term comfort, energy efficiency, and dependable performance for commercial and industrial facilities.
We serve businesses throughout Westminster, Broomfield, Arvada, Northglenn, Thornton, and the greater Denver metro area. With decades of experience in complex commercial environments, we install HVAC systems that meet performance expectations, Colorado building codes, and long-term operational goals.
CONTACT US
Proudly Serving Westminster, CO
Office Number: 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

COMMERCIAL HVAC SYSTEM INSTALLATION
Rasmussen Mechanical Services specializes in commercial HVAC installation for Westminster businesses, including new construction, renovations, and system upgrades. Our team installs a wide range of commercial and industrial HVAC equipment, including:
Rooftop Units
Air Handling Units
Make-Up Air Units
Commercial Heating Systems
Chillers
Boilers
Building Automation Controls

RTU INSTALLATION
We provide complete rooftop unit installation in Westminster for office buildings, retail spaces, warehouses, and industrial facilities. Our RTU installation services include proper system sizing, curb and structural coordination, crane planning, equipment placement, and full startup and commissioning to ensure reliable, long-term operation.
AIR HANDLING UNIT INSTALLATION
Our technicians install air handling units designed to meet specific airflow, ventilation, and humidity requirements. AHUs are critical for maintaining consistent indoor comfort and indoor air quality for schools, healthcare facilities, and commercial buildings throughout Westminster. These systems integrate seamlessly with chillers, boilers, and building automation controls.

MAKE-UP AIR UNIT INSTALLATION
We install make-up air units for commercial kitchens, manufacturing facilities, and large industrial buildings in Westminster. Our team installs both direct-fired and indirect-fired systems to support exhaust systems, maintain proper building pressure, and meet Colorado ventilation and safety requirements.
COMMERCIAL CHILLER INSTALLATION
Rasmussen Mechanical Services provides commercial chiller installation in Westminster for facilities that rely on chilled water systems for cooling, including:
Office Buildings
Healthcare Facilities
Manufacturing Plants
Institutional and Educational Campuses
Each chiller installation is evaluated as part of the complete HVAC system to ensure proper sizing, energy efficiency, and seamless integration with pumps, air handling units, and automation controls.

SPLIT SYSTEM & AIR CONDITIONING INSTALLATIONS
Split system and multi-zone HVAC installations offer flexible and efficient heating and cooling solutions for commercial buildings. These systems allow independent temperature control across different areas of a facility. Our technicians specialize in installing, maintaining, and replacing split and multi-zone systems for Westminster commercial properties, partnering with trusted HVAC manufacturers to deliver reliable, long-lasting performance.
COMMERCIAL HVAC SERVICES
In addition to installation, Rasmussen Mechanical Services provides full-service commercial HVAC support in Westminster, including:
HVAC repair and troubleshooting
Preventive maintenance programs
System replacements and upgrades
Equipment retrofits
24/7 emergency service
We service RTUs, AHUs, make-up air units, boilers, chillers, split systems, and building automation controls. Routine maintenance helps reduce downtime, improve efficiency, and extend system lifespan for Westminster businesses.
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 100% confidence with your team. St Julien has found a vendor of choice.”
Ron Gallion, St Julien Hotel & Spa

YOUR COMMERCIAL HVAC CONTRACTOR
Rasmussen Mechanical Services is a trusted and dedicated provider of commercial HVAC services in Westminster, CO, with over 55 years of experience installing, maintaining, and servicing complex HVAC systems. Our experienced technicians work with all major equipment brands and technologies, delivering professional service and solutions that improve comfort, efficiency, and reliability for your business.
Our commercial HVAC solutions focus on:
Lowering energy bills and operating costs
Supporting code compliance
Improving airflow and indoor air quality
Delivering consistent temperature control to keep your business comfortable year round
Ensuring long-term system performance and life
Businesses throughout Westminster, Adams County, Jefferson County, and the Denver metro area rely on our team as a long-term mechanical partner who responds promptly and provides helpful, friendly service.

BUILDING AUTOMATION INTEGRATION
Modern commercial HVAC systems in Westminster benefit greatly from building automation integration, offering centralized control, improved energy efficiency, and enhanced indoor air quality. We specialize in integrating HVAC equipment with advanced building automation systems (BAS) designed specifically for commercial applications.
Our trained technicians design and implement automation solutions that enable facility managers to inspect and monitor system performance, optimize HVAC operations, and maintain consistent comfort efficiently. From engineering and installation to prompt ongoing service and support, we provide comprehensive automation services that help your entire system run smoothly, saving money and ensuring long-term reliability for your business.
SCHEDULE YOUR SERVICE TODAY!
GET THE HELP YOU NEED FOR ALL THINGS MECHANICAL

COMMERCIAL HVAC REPLACEMENT FAQ
Q: How do I know when it’s time to replace my commercial HVAC system?
A: Signs include frequent repairs, strange noises, inconsistent temperatures, and rising energy bills. If your system struggles to maintain comfort or is over 10-15 years old, it may be time to consider a replacement.
Q: What are the benefits of installing a new system?
A: A new system improves energy efficiency, reduces maintenance costs, enhances indoor air quality, and provides reliable performance to keep your business comfortable year round.

Q: How long does commercial HVAC installation typically take?
A: Installation usually takes 2 to 4 weeks depending on the size and complexity of the project, ensuring proper setup and compliance with local codes.
Q: Can I get a free estimate before replacing my HVAC system?
A: Yes, our team offers a free estimate to help you make informed decisions about your commercial HVAC replacement.
Q: Do you offer emergency services if my system fails?
A: Absolutely. We provide 24/7 emergency services to quickly address HVAC issues and minimize downtime for your business. Serving Denver Metro Areas: Centennial, Castle Rock, Westminster, Littleton, Englewood, Boulder, Golden and Surrounding Communities
