
HOW IT ALL BEGAN
A HALF CENTURY OF INNOVATION AND SERVICE
OVER 50 YEARS OF SERVICE, INNOVATION, AND GROWTH
Rasmussen Mechanical Services has a rich history of providing services and parts to commercial, industrial, and institutional clients throughout the central U.S. Our goal has always been to enhance the lives of our customers, beginning first with a single burner service technician named Erv Rasmussen. Over the decades, we have expanded from burner service to a full range of mechanical solutions, including HVAC, boiler repair, and industrial equipment services. As a family-owned company, we’ve grown to multiple locations, staying true to our commitment to innovation, reliability, and customer-first service. Today, we continue to lead the industry by leveraging advanced technology and expert knowledge to support our clients' evolving needs.
FROM 1970 TO TODAY
HONORING OUR PAST, BUILDING THE FUTURE

1970
THE JOURNEY BEGINS
Erv and Agnes Rasmussen founded Rasmussen Heating and Air in Council Bluffs, Iowa, starting their journey from the comfort of their own home.

1974
BRUCE RASMUSSEN JOINS
Bruce Rasmussen joins the organization. He’s the driving force behind Rasmussen Mechanical Services’ journey to becoming one of the Midwest’s only contractors to offer customers all mechanical services under one contractor.

1986
CG JOHNSON BOILER CO. AQUIRED
C.G. Johnson Boiler Co. joins the Rasmussen family, a step that gave our clients access to additional quality services. Since 1915, C.G. Johnson Boiler Co. provided code welding, re-tubing, refractory, and burner service for institutional and industrial companies.

1990
BALCON ESTABLISHED & NEW SERVICES ADDED
BalCon air, water balancing, and temperature control divisions are established. This provided Rasmussen Mechanical Services’ customers detailed testing, adjustments, and balancing of air and water systems within their facilities, as well as pneumatic and direct digital control system servicing. Rasmussen Mechanical Services becomes an authorized service and installation contractor for Honeywell Controls.

1990
WESTERN NEBRASKA BOILER & BURNER ESTABLISHED
Rasmussen Heating and Air Conditioning expand with a Western Nebraska boiler and burner service division. Service technicians are dispatched throughout central parts of the state until the Kearney, Nebraska satellite office opened.

1991
NEW SERVICES, NEW NAME
Rasmussen Heating & Air Conditioning becomes Rasmussen Mechanical Services to reflect the tremendous growth in service offerings.

1994
R.W. RICE CO. AQUIRED
R.W. Rice in Sioux City, Iowa, is acquired, adding a quality control program, ASME stamps, additional HVAC services, and Tri-Tech Sales to Rasmussen Mechanical Services. Tri-Tech Sales acted as a wholesaler of hydronic and steam equipment parts and accessories and offered combustion controls, gasketing, boiler parts, and steam and hydronic specialties.

1996
RMS CONTINUES ITS GROWTH
Wilson Temperature Controls, which joined R.W. Rice in 1991, becomes the R.W. Rice HVAC division. As part of the Rasmussen Mechanical Services family, they provide our customers full-service maintenance and repair on all pneumatic and direct digital controls, as well as heating and air conditioning equipment

2002
BOILER & BURNER SERVICES OFFERED IN THE DAKOTAS
Our company notices steady market share growth and furthers service offerings by developing a boiler and burner service division in Rapid City, South Dakota.

2006
COUNCIL BLUFFS EXPANSION
BalCon and code services relocate to a new building in Council Bluffs, Iowa.

2012
ROCKY MOUNTAIN ADDITIONS
Rasmussen Mechanical Services opens a new service location in Commerce City, Colorado.

2013
WE HONOR OUR FOUNDER
Erv Rasmussen is laid to rest at the age of 97.

2016
NEW LOCATIONS AND SERVICES ARE ADDED
Commerce City operations are moved to Denver, Colorado, while a new service location opens in Lincoln, Nebraska. Meanwhile, Rasmussen Mechanical Services’ establishes Industrial Air Services.

2017
THE GROWTH CONTINUES
Rapid City, South Dakota location moves to Sturgis, South Dakota. Rasmussen Mechanical Services begins new business ventures, Rasmussen Manufacturing Services, LLC, and Heatmizer.

2020
CENTRAL NEBRASKA GROWTH
Kearney office moves to a new location in Gibbon, NE in response to tremendous growth and as a strategic change to better serve the communities in the surrounding areas.

2022
OUR DENVER OFFICE GROWS INTO A NEW BUILDING
Operations move from downtown Denver to a new location in Centennial, CO. The larger building allows for continued growth as our team takes a larger foothold in the Colorado market.
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