About Rasmussen

Rasmussen Mechanical Service Corp. and their divisions of BalCon Air and Water Balancing, C.G. Johnson Boiler Co., R.W. Rice Co., Prime Refrigeration, and Tri Tech Sales are committed to providing customers with innovative solutions and service on all their HVAC and process mechanical needs. 

Established in 1970 by Erven and Agnes Rasmussen, RMSC has since been providing services and parts to commercial, industrial, and institutional clients throughout the Central United States.  RMSC has evolved, as one of the Midwest’s only contractors to offer customers all of their necessary mechanical needs with the use of one contractor.  Value added services such as ASME code and National Board welding and repairs, design-build, installation, full service parts distribution, and the following services have all combined to give RMSC a competitive leading edge.  Such services include:

• Heating & Air Conditioning Systems
• HVAC Maintenance Services
• Energy Management
• Refrigeration Systems
• Ammonia Process Piping
• Ammonia Refrigeration Parts Supplier
• Hydronic Heating
• Industrial Process Steam Generating Facilities
• Combustion Controls & Burner Adjustments
• Temperature Controls (DDC & Pneumatic)
• Water Conditioning Equipment
• Refractory Insulation Repair and Replacement
• Sheet Metal Fabrication
• Air & Water Balancing
• Lab Safety Equipment Testing & Certifications

As a part of this growth and evolutionary process, C.G. Johnson Boiler Co. became part of the family in 1986.  Since 1915, C.G. Johnson Boiler has been providing code welding, re-tubing, refractory, and burner service for the institutional and industrial market.  Our customer’s quest for improvement of our quality control program has enabled the Company to become one of the industrial leaders and a model for others in the business. 

Another addition of quality service is Balcon Air and Water Balancing.  Established in 1990, Balcon focuses on detailed testing and adjustments of air and water systems in facilities.  From makeup air units to biological hoods to large centrifugal hydronic pumps, Balcon tests and adjusts equipment to meet engineering design criteria and reach peak performance capabilities. 

In 1994, R.W. Rice Company, a subsidiary corporation of RMSC joined the family.  A boiler service and repair organization started in 1959, R.W. Rice possesses several ASME and National Board stamps and takes pride in its state of the art quality control program.  This division has been successful in the engineering, design, and installation of many boiler room facilities throughout the entire Midwest. 

As a part of R.W. Rice, Wilson Temperature Controls was added in 1991 to better service the needs of our clients temperature control systems.   In 1996, Wilson dropped their name and became the R.W. Rice HVAC division, which provides full service maintenance and repair on all pneumatic and direct digital controls as well as heating and air conditioning equipment.   Design and installation of all controls and HVAC equipment has enabled this division to become a growing and vital part of the RMSC family. 

TriTech Sales, established in 1968 as Quota Control, is a division of R.W. Rice and services the Midwest as a wholesaler of hydronic and steam equipment parts and accessories.  TriTech also offers a wide variety and service to its clients in the area of HVAC controls and related components.  Combustion controls, gasketing, boiler parts, and steam and hydronic specialties provided responsively to our customers has allowed for continual success. 

Prime Refrigeration, established in 1985 as Prime Construction, became a part of R.W. Rice in 1999 and brought the Corporation the ability to provide process piping in the form of ammonia refrigeration.  Prime has focused on serving the food processing industry, as well as other cold storage facilities throughout the country with quality ammonia system installations, piping insulation, and as a source for ammonia system parts.   

Rasmussen Mechanical Service Corporation and all incorporated divisions objective, is to provide unparalleled service in the most responsive and cost effective method available.  This common goal provides the foundation and the basis of which our employees continue to earn the respect and trust of our customers.