Commercial Boiler Repair And Service

Meet Standards, Surpass Expectations

Rasmussen Mechanical Services’ Commercial Boiler Repair and Service Division has delivered quality services and repairs to customers for decades. We began as CG Johnson Boiler Company in 1915 and continue to provide code welding, retubing, refractory, and burner service for the institutional and industrial market. We hold R, S, H, U, and PP stamps and employ expert certified welders. This ensures we can perform an array of American Society of Mechanical Engineers (ASME) Code Services and National Board Inspection Code (NBIC) repairs. Our team provides:

  • Boiler tube replacement and repair
  • Partial or complete water leg and stay bolt replacement
  • Tubesheet/furnace repair or replacement
  • Shell, drum, and header repair
  • Vessel nozzles and openings installation/replacement
  • ASME pressure vessel and power piping fabrication
  • Refractory repair/replacement
  • Non-destructive examination and integrity analysis
  • Heat exchanger, economizer, chiller, and non-fired vessel repair/replacement
  • Controls inspection and repair
  • Annual inspection assistance
  • Section I, IV, or VIII Alterations
  • HRSG tube repair and service
  • Boiler Parts
Technician performing commercial Boiler Repair Welding

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Burner Services

  • Safety device testing
  • Process industrial burner services
  • Flame safeguard services
  • Emissions monitoring
  • Certified Opacity Testing
  • Extensive parts inventory
  • Code compliance
  • Combustion analysis and adjustments to air-to-fuel ratios
  • Parallel positioning and ageless controls
  • O2 Trim
  • Fully metered, cross-limited combustion controls
  • Fuel conversions (natural gas, oil, propane, methane, tallow)

See the Service in Action

We Focus on Your Savings

Our clients are our family, which means we want to see you save. Boiler/pressure vessel maintenance is pivotal in reducing waste and operating costs. With our services, you receive:

  • Reduced unscheduled downtime
  • Increased steam system efficiency
  • 24/7 Emergency response
  • Supplemental boiler operator training
  • Fully code compliant services and repairs
  • Boiler inspection assistance

Want to become a boiler expert? We have everything you need to know here!

RMS tech performing boiler repair by cleaning boiler tubes
Everett Elementary School Boiler Repair | RasMech

Boiler Repair Brochure

A boiler system is a central heating unit that uses a closed vessel to heat water to a certain temperature and circulates it throughout the building. Download our boiler repair brochure to see how we can help yours.


From boiler parts and boiler rentals to new installation and everything in between. We have the expertise and resources to ensure the job gets done right the first time. We commonly perform service, repair or installation on brands like:

  • Cleaver Brooks
  • Autoflame
  • Limpsfield
  • Superior Boiler
  • Power Flame
  • Weil McClain
  • Weishaupt
  • Fireye
  • Hurst
  • Kewanee
  • Johnson
  • Everlasting


  • ABCO
  • Warrick
  • Grundfos
  • Hoffman
  • Bell & Gossett
  • McDonnell & Miller
  • Armstrong
  • Spence
  • Kunkle
  • Apollo
  • Ashcroft
  • Miljoco


  • Watson McDaniel
  • Topog – E
  • Tasco
  • United Brass
  • Fisher
  • Sensus
  • Maxitrol
  • Dungs
  • Maxon
  • Eclipse
  • Spirax Sarco
  • And More!