New Boiler Installation

LITTLETON BOILER INSTALLATION

Proudly Serving Littleton, CO For Over 55 Years

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Rasmussen Mechanical Services headquarters in Council Bluffs, Iowa, providing boiler rentals and mechanical services to customers throughout Nebraska.

WHO WE ARE

Rasmussen Mechanical’s boiler installation department has been serving Littleton, CO for over 55 years. We provide boiler installation, repair, and maintenance for a wide range of boiler equipment. Our team consists of certified boiler experts with extensive experience working on commercial and industrial boiler systems throughout downtown Littleton, the South Platte River corridor, and the Santa Fe Drive (US-85) industrial areas. We work on all makes and models—from high-pressure steam boilers to low-pressure hot water systems—and deliver reliable, code-compliant solutions built to last.

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

Our Roots - CG Johnson Boiler Co In Omaha

A LOCAL LEGACY

We’ve become a trusted choice for Littleton boiler installation by building on a legacy that dates back to 1915. Our team proudly continues the expertise of C.G. Johnson Boiler Company, a historic boiler contractor with deep roots across Colorado and the Midwest.

That history gives our customers confidence they’re working with a team that understands Littleton’s historic buildings near Main Street, municipal facilities, school districts, and industrial properties along the South Platte River.

Superior Boiler Install

OUR SERVICES

- New Boiler Installs        

- Boiler Repair and Service

- Boiler Maintenance

- Boiler Burner Service

- Emergency Boiler Rentals

- HVAC and Water Heater Service

How We Can Help?

EXPERT CO BOILER INSTALLATION

By offering a full range of mechanical services in-house, Rasmussen Mechanical delivers true turn-key boiler installations from start to finish. We provide free estimates for new boilers so you understand scope and pricing upfront.

With decades of experience servicing Littleton boiler systems, our team supports Jefferson County public facilities, Littleton Public Schools, healthcare buildings, manufacturing operations, and large commercial properties with installation, repair, maintenance, and inspections.

  • Serving Littleton Colorado since 1970

  • 3rd-Generation Family-Owned Business

  • 24/7 Emergency Service

  • Some of the Most Experienced Boiler Technicians in the Industry

Technician crawling into a boiler

LITTLETON BOILER FAQ

Do you offer emergency boiler repair services in Littleton?

Yes, we provide 24/7 emergency boiler repair services to address sudden breakdowns, leaks, or heating system failures. We are licensed to perform boiler repairs in Colorado and hold R, S, H, U, and PP stamps, allowing us to perform a wide range of pressure vessel repairs. Our technicians handle everything from inspections and cleanings to complex component replacements for facilities throughout Littleton, Columbine Valley, and southwest Jefferson County.Our expert repair services ensure your home stays warm and your heating air flows reliably even during peak cold weather.

Rasmussen Mechanical Services mobile boiler room providing temporary steam and heat for industrial facility operations during maintenance or emergency situations.

Can you keep us online while replacing our boiler?

Absolutely. With our reliable emergency boiler rentals, your facility can maintain continuous operation during repairs or a complete boiler replacement. This service ensures minimal disruption to your heating needs and helps avoid costly downtime. Our team provides fast, efficient solutions to keep your heating systems running smoothly throughout the transition.

I’m concerned about safety during boiler installation.

We adhere to Colorado state codes, and ASME standards to ensure each installation meets the highest safety benchmarks. All installations are performed by certified technicians holding the necessary pressure vessel stamps, guaranteeing expert installation. Our commitment to safety helps prevent boiler failures, reduces risks of water pooling or leaks, and ensures your new system operates reliably and efficiently from day one.

Watertube Boiler repair project

What types of boilers do you repair and replace?

We repair and replace all major boiler types, including firetube, watertube, steam, hot water, condensing, and combi boilers. Our team can design and install an efficient, long-term solution providing consistent warmth and reliable boiler performance.

What are signs I need boiler repair?

Common warning signs include no heat, no hot water, low boiler pressure, leaks, unusual or strange noises, uneven heating, rising energy bills, or unexpected shutdowns. If you notice any of these issues, contact our boiler repair team for fast, professional boiler repair services and immediate assistance.

Can you handle HVAC services beyond boiler installation and repair?

Absolutely. We offer comprehensive HVAC services in Littleton, including air conditioning, cooling systems and furnaces. Our full-service HVAC company provides expert care for all your heating and cooling needs.

Everett Elementary School Boiler Repair | RasMech

How much does a new boiler cost?

Boiler installation costs vary based on system type, size, efficiency requirements, and installation complexity. Professional boiler installation improves energy efficiency, reduces heating costs, and can improve reliability. We try to provide transparent pricing for all systems.

Can you maintain my boiler after installation?

Yes, we provide routine maintenance. Our preventative maintenance programs help extend equipment life, reduce costly repairs, improve energy savings, and keep your boiler operating at peak efficiency.

How often should I schedule boiler service and maintenance?

Regular maintenance is essential to prevent sudden breakdowns and costly repairs. We recommend annual boiler service and tune-ups as part of a maintenance plan to keep your system running efficiently and reduce heating costs throughout the year.

Superior Boiler Install

THE BOILER INSTALLATION PROCESS

Our boiler installation process is designed to deliver efficient, high-quality results for every customer. We begin by carefully assessing your boiler needs, taking into account the size of your property and your heating requirements. Our technicians then recommend the best boiler models for your situation. We can help, whether you need a new industrial unit, a commercial boiler for your business, or repair work on an outdated system.

Once you’ve made your selection, our team handles the complete installation, ensuring every component is properly connected and your system operates safely and efficiently. We pride ourselves on providing professional service from start to finish, with a focus on excellent customer service and attention to detail.

After installation, we offer ongoing maintenance services to help you maintain your new boiler and keep it running smoothly for years to come. Serving Littleton and the surrounding Colorado area, our team is here to make your experience as seamless and worry-free as possible. Our goal is to deliver great service and peace of mind, so you can focus on your business while we handle the heating.

Two Rasmussen Mechanical Service Technicians discussing maintenance inside of a boiler room

“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