Business Details
34 Years
experience
Emergency
services
Trusted HVAC & Mechanical Contracting Services in Michigan, Ohio & Pennsylvania
Founded in 1992, De-Cal Mechanical Contractors is a full-service union mechanical contracting firm with over 400 full-time employees. We specialize in HVAC installations, plumbing, industrial piping, and mechanical systems for commercial, industrial, and healthcare facilities. Our leadership team, including President Andrew Calcaterra and Executive Vice President Randall DeBeul, has built a reputation for excellence through decades of combined experience. With over 100,000 sq. ft. of facilities in Detroit, Youngstown, and Pittsburgh, we serve Michigan, Ohio, and Pennsylvania. Our commitment to safety is demonstrated through rigorous employee background checks, annual drug testing, and adherence to ASME code standards.We partner with union trade professionals to deliver high-quality projects using plan-and-specify or design-build methods. Our registered professional engineers ensure precise system design, while our 30+ service vehicles enable rapid response to client needs. We prioritize honesty, integrity, and continuous improvement to exceed customer expectations. Our affiliations with industry organizations like the Mechanical Contractors Association reflect our dedication to industry leadership. For over 30 years, we have maintained a challenging work environment that fosters innovation and technical excellence.
Services
Commercial HVAC
Industrial Plumbing
Wastewater Treatment
Pipe Fabrication
Sheet Metal Repair
Electrical Systems
Gas Piping
Process Piping
Welding Services
Magnetic Particle Testing
Details
- Year established: 1992
Highlights and features
- 30+ years of experience in mechanical contracting since 1992
- 400+ skilled union professionals across three states
- 24/7 emergency service availability
- ASME code-certified pressure vessel installations
- Registered professional engineers on staff
Associations and certifications
- American Society of Plumbing Engineers
- American Society of Heating, Refrigeration, & Air Conditioning Engineers
- Mechanical Contractors Association
- Plumbing & Heating Industry of Detroit
- Association for Iron & Steel Technology
Services
Commercial HVAC
We design and install commercial HVAC systems that ensure optimal climate control for businesses. Our ASME-certified technicians implement energy-efficient solutions that reduce operational costs. With 30+ service vehicles, we provide rapid maintenance and emergency repair capabilities across three states.
Industrial Piping
Our industrial piping solutions include gas, process, and wastewater treatment systems. Certified welders and magnetic particle testing ensure code compliance. We specialize in high-pressure steam installations for automotive and manufacturing facilities across the Midwest.
Sheet Metal Repair
We provide precision sheet metal fabrication and repair services for commercial buildings. Our union craftsmen create custom ductwork and architectural components. With facilities in Detroit and Pittsburgh, we serve industrial clients requiring specialized metal solutions.
Welding Services
Our certified welders perform ASME code-compliant joins for industrial applications. We handle carbon steel, stainless steel, and aluminum materials. Quality assurance includes magnetic particle inspection to meet strict manufacturing and energy sector requirements.
Emergency Repairs
We offer 24/7 emergency mechanical repair services with rapid response times. Our on-call technicians handle HVAC failures, pipe bursts, and system emergencies. With dispatch centers in Warren and Boardman, we provide critical support for healthcare and industrial facilities.
People
Andrew Calcaterra
President
Licensed Professional Engineer with 30+ years in mechanical contracting. Leads strategic growth while maintaining technical excellence. Holds multiple industry certifications including ASME code stamps. Drives innovation in HVAC and industrial systems design.
Randall DeBeul
Executive Vice President
25+ year veteran in union mechanical contracting operations. Oversees project execution and client relations. Implements safety protocols exceeding OSHA standards. Manages multi-million dollar contracts across automotive and healthcare sectors.
Frank Gambino
Vice President of Operations
Directs day-to-day field operations for three-state service area. Implements lean construction methodologies. Manages 400+ union workforce productivity. Ensures compliance with all federal and state mechanical codes.
Nick Dawson
Michigan Service Manager
Leads Michigan service division with 15 years of HVAC expertise. Coordinates 20+ service trucks for preventive maintenance programs. Specializes in commercial building automation systems integration and optimization.
Tim Morrison
Ohio Service Manager
Manages Ohio operations with focus on industrial client solutions. Implements predictive maintenance technologies. Holds certifications in process piping and wastewater treatment systems. Ensures 24/7 emergency service readiness.
Questions
What areas do you service?
We serve Michigan, Ohio, and Pennsylvania with offices in Warren, Detroit, Youngstown, and Pittsburgh.
Do you offer emergency services?
Yes, we provide 24/7 emergency mechanical repair services with rapid response teams available.
Are you a union contractor?
Yes, we are a full-service union mechanical contracting firm working with local trade organizations.
What industries do you serve?
We specialize in commercial, industrial, automotive, healthcare, and wastewater treatment facility systems.
Do you handle design-build projects?
Yes, our team provides design-build solutions from initial planning through installation and maintenance.
Are you ASME code certified?
Yes, we hold multiple ASME code stamps including PP, R, S, and U for pressure vessel work.
