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50+ Years
experience
Emergency
services
Trusted Boiler & Mechanical Services in St. Louis, MO
At American Boiler & Mechanical, we specialize in maintaining operational systems, maximizing uptime, and ensuring facility efficiency. Our team combines decades of experience with technical expertise to deliver reliable boiler rentals, process piping solutions, and HVAC services. We prioritize safety through continuous training, maintaining an industry-leading safety record across all operations. Our licensed professionals handle emergency repairs, scheduled maintenance, and full system overhauls for diverse industrial clients.

With locations across the Midwest, we provide scalable plant expansions, certified code welding, and precision combustion analysis. Our commitment extends beyond equipmentwe focus on minimizing client downtime and optimizing system performance. As a trusted distributor of Victory Energy Boilers, we service all major brands while offering temporary insulation solutions and retubing services. Our approach combines technical proficiency with a dedication to client satisfaction, ensuring systems operate at peak efficiency year-round.
Services
Boiler Rentals Process Piping HVAC Systems Plant Maintenance Structural Steel Plumbing Services Cooling Towers Combustion Analysis Retubing Services Insulation Solutions
Details
  • Year established: 1974
Highlights and features
  • We offer 50+ years of specialized boiler and mechanical expertise
  • Our team maintains an industry-leading safety record with continuous training
  • We employ ASME-certified welders for code-compliant repairs and installations
  • Our 24/7 emergency services minimize critical downtime for industrial clients
  • We service all major boiler brands with nationwide rental unit availability
Associations and certifications
  • ASME
  • National Board of Pressure Vessels
Services
Boiler Rentals
We provide trailer-mounted boiler rentals (5-1000 horsepower) for emergency operations and maintenance periods. Our units ensure continuous facility functionality during equipment servicing. With Midwest-wide locations, we deliver rapid setup and reliable rental solutions for industrial clients requiring immediate boiler support.
Process Piping
Our licensed pipefitters install and repair carbon steel, stainless steel, and copper piping systems. We offer insulation solutions to enhance system efficiency and workplace safety. From temporary jackets to permanent installations, our team ensures optimal process flow and thermal stability for plant operations.
HVAC Systems
We design, install, and maintain industrial HVAC systems including cooling towers and chilled water systems. Our services maximize uptime through pre-fabricated piping and experienced crews. We service pumps, heat exchangers, and intercoolers to maintain plant cooling efficiency and environmental compliance.
Combustion Analysis
Our combustion system analysis checks gas concentrations, temperatures, and emissions to optimize fuel usage. We recommend bi-annual testing to improve efficiency and reduce operational costs. This service ensures safe operation while minimizing energy waste through precise system calibration.
Certified Welding
ASME-certified welders perform code-compliant repairs including tube sealing, boiler retubing, and pressure vessel maintenance. We handle crack repairs, nozzle replacements, and power piping to national standards. Our welding services ensure long-term system integrity and regulatory compliance for industrial clients.
Questions
What boiler services do you offer?
We provide boiler rentals (5-1000 HP), installations, repairs, maintenance, retubing, and combustion analysis. Our services cover both temporary and permanent boiler solutions for industrial facilities.
Do you offer emergency mechanical services?
Yes, our 24/7/365 emergency services include rapid boiler rentals, urgent repairs, and immediate response for critical system failures across Midwest locations.
What industries do you serve?
We support power generation, manufacturing, chemical processing, and food production industries with boiler systems, process piping, and HVAC solutions tailored to operational requirements.
Are your technicians certified?
Our team includes ASME-certified welders and National Board-licensed professionals who meet strict industry standards for boiler and pressure vessel repairs.
How quickly can you deliver rental boilers?
With multiple Midwest locations, we offer immediate delivery of trailer-mounted boiler units to minimize downtime during equipment failures or maintenance periods.
Do you handle plant expansion projects?
Yes, we provide scalable plant expansions including process piping design, layout, and installation services to accommodate facility growth and system upgrades.
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Reviews (1)
Angel Cummings
Jul 05, 2020 Report
Company is reliable and handled my issue in a timely manner. Trust the professionals with your heating and cooling systems.