Business Details
50+ Years
experience
Emergency
services
Expert Boiler & HVAC Services in St. Louis
Founded in 1973, American Boiler & Mechanical has built a legacy of excellence in boiler and mechanical services. Our family-owned business combines five decades of expertise with a relentless commitment to safety and operational efficiency. We specialize in boiler installation, process piping, HVAC systems, and emergency repairs for industrial, healthcare, and commercial clients. Our team of certified professionals delivers code-compliant solutions tailored to each facility's unique needs. With locations across the Midwest, we provide rapid response times and comprehensive support for system upgrades, maintenance, and new construction projects.Our industry-leading safety training programs ensure every project meets the highest standards. We pride ourselves on fostering a work environment that values innovation, continuous learning, and work-life balance. Our fleet of 85+ service vehicles and mobile welders enables onsite solutions for even the most complex mechanical challenges. From boiler rentals during equipment servicing to complete plant expansions, we deliver reliable, cost-effective systems that maximize uptime. Our recognition through multiple Associated Builders and Contractors awards underscores our dedication to quality and customer satisfaction.
Services
Boiler Installation
Process Piping
HVAC Services
Cooling Tower Installation
Plant Maintenance
Structural Steel
Plumbing Services
Boiler Rentals
Refractory Services
Combustion Analysis
Details
- Year established: 1973
Highlights and features
- 50 years of specialized expertise in boiler and mechanical systems
- Family-owned business with industry-leading safety certifications
- 24/7 emergency service with rapid response across the Midwest
- Award-winning team with multiple ABC Excellence in Construction awards
- Comprehensive training program exceeding OSHA safety standards
Associations and certifications
- Associated Builders and Contractors
Services
Boiler Services
Our boiler expertise includes installation, repair, and maintenance of industrial systems ranging from 5 to 1000 horsepower. We provide emergency boiler rentals, refractory services, and combustion analysis to optimize efficiency. With ASME-certified welders and 50 years of experience, we ensure reliable operation for manufacturing plants and industrial facilities.
Process Piping
We install and repair carbon steel, stainless steel, and specialty alloy piping systems for process applications. Our licensed pipefitters handle insulation, expansion joints, and system upgrades while maintaining OSHA compliance. Custom solutions maximize system efficiency and minimize downtime for chemical, food processing, and manufacturing clients.
HVAC Services
From simple ventilation to complete cooling tower installations, we deliver industrial HVAC solutions that maintain operational efficiency. Our team designs, installs, and services chilled water systems, heat exchangers, and intercoolers with pre-fabricated components for faster project completion and reduced facility disruption.
Plant Maintenance
We provide preventive maintenance and emergency repairs for boilers, HVAC systems, and process equipment. Our services include code welding, insulation upgrades, and system retrofits that extend equipment life while maintaining compliance with safety regulations and operational standards.
Safety Training
Our comprehensive safety program includes OSHA-certified training in confined space work, fall protection, and crane operations. Weekly field training ensures all employees from executives to new hires maintain the industry's highest safety standards through continuous education and practical application.
Questions
What industries do you serve?
We support manufacturing plants, hospitals, schools, breweries, government facilities, and hospitality venues with boiler, HVAC, and mechanical systems maintenance and installation.
Do you offer emergency repair services?
Yes, our 24/7 emergency service responds to boiler failures, HVAC emergencies, and mechanical breakdowns with rapid deployment of service vehicles and mobile welders.
Are your technicians certified?
Our team includes ASME-certified welders, licensed pipefitters, and OSHA-trained professionals who complete ongoing safety and technical training programs.
Can you handle large-scale projects?
We manage full plant expansions, boiler retrofits, and process piping installations with in-house engineering support and project management for complex industrial systems.
What safety certifications do you hold?
We maintain ABC STEP Gold Level certification and provide OSHA 10/30-hour training, confined space certification, and specialized safety programs for all employees.
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