Business Details
50+ Years
experience
Emergency
services
Open 24/7
always available
Your Trusted Partner for Commercial Plumbing & HVAC Solutions
Monroe Plumbing has been delivering reliable mechanical contracting solutions for commercial, industrial, and municipal clients since 1948. Our team of licensed Master Plumbers, certified welders, and HVAC specialists brings decades of combined experience to every project, from emergency repairs to large-scale installations. We prioritize precision, accountability, and long-term performance, serving clients across Southeast Michigan with a commitment to exceeding industry standards.Our MSCA STAR Contractor designation reflects our dedication to ethical business practices, safety excellence, and continuous workforce training. With a focus on customer satisfaction, we provide tailored solutions for complex plumbing systems, energy-efficient HVAC installations, and critical utility infrastructure, ensuring operational continuity for businesses and institutions.
Services
Plumbing
HVAC
Welding
Drain Cleaning
Medical Gas Piping
Details
- Year established: 1948
Highlights and features
- 75+ years of experience in commercial and industrial mechanical contracting
- 24/7 emergency service with rapid response teams
- MSCA STAR Contractor certified for safety and ethics
- Specialized in complex systems: medical gas, geothermal HVAC, and industrial piping
- Locally owned with deep expertise in Southeast Michigan infrastructure
Associations and certifications
- MSCA STAR Contractor
What people say
Expedited repairs
Knowledgeable team
Dependable service
Professional staff
Cost-effective solutions
Services
Commercial Plumbing
We provide comprehensive commercial plumbing solutions for industrial plants, hospitals, and municipal infrastructure. Our services include pipe installation, emergency repairs, and preventative maintenance to minimize downtime. With decades of experience, we ensure code-compliant, durable systems for large-scale operations.
HVAC Installation
Our HVAC specialists design and install energy-efficient heating, ventilation, and air conditioning systems for commercial buildings. We work with top brands and offer geothermal solutions to reduce energy costs while maintaining comfort and regulatory compliance for facilities.
Certified Welding
We offer certified welding services for industrial piping systems, including carbon steel, stainless steel, and chromoly. Our welders meet strict standards for leak-proof connections in high-pressure environments, ensuring long-term system integrity.
Drain Cleaning
Our industrial drain cleaning services use advanced equipment like water jetters and video inspections to clear blockages and prevent system failures. We handle pipes up to 12 inches in diameter, providing detailed diagnostics and maintenance for commercial properties.
Medical Gas Piping
We install and maintain medical gas systems that meet rigorous safety standards for healthcare facilities. Our certified technicians ensure precise gas distribution for hospitals and clinics, prioritizing patient safety and system reliability.
People
Thomas E. Theisen
President & Estimator
With 27 years in mechanical contracting, Thomas holds a Mechanical Engineering degree and multiple licenses. He specializes in HVAC systems and project management, ensuring technical excellence and client satisfaction.
Joseph Theisen
Vice President & Service Manager
Joseph brings 28 years of HVAC expertise, holding a Master Plumber license and OSHA certification. He oversees service operations, focusing on emergency response and system maintenance for commercial clients.
Dale Batson
Vice President & Estimator
Dale has 28 years of plumbing experience with certifications in welding and boiler repairs. He manages project estimates and technical execution, ensuring precision in industrial piping systems.
Jeremy Rousselo
Project Manager
Jeremy holds multiple certifications in plumbing and HVAC, with expertise in medical gas systems. He manages complex projects and service contracts, emphasizing safety and compliance.
Paul Theisen
Service Technician
Paul has 31 years of field experience, specializing in HVAC and refrigeration. His certifications include medical gas installation and backflow prevention, supporting reliable service for industrial clients.
Questions
Do you offer emergency HVAC and plumbing services?
Yes, we provide 24/7 emergency repairs for urgent plumbing and HVAC issues, including burst pipes, furnace failures, and cooling system breakdowns.
Can you handle HVAC needs for new construction projects?
Yes, we specialize in HVAC installations for new commercial and industrial buildings, collaborating with architects to ensure efficient, code-compliant systems.
How often should I schedule HVAC maintenance?
We recommend biannual maintenance in spring and fall to optimize system efficiency and prevent seasonal performance issues.
What plumbing services do you offer?
We provide installation, repair, drain cleaning, and preventative maintenance for commercial plumbing systems, including medical gas and industrial piping.
Do you offer energy-efficient upgrades?
Yes, we install energy-efficient HVAC systems, programmable thermostats, and geothermal solutions to reduce energy costs and environmental impact.
Are you certified for medical gas piping?
Yes, our team is ASME IX and NFPA 99 certified for medical gas system installation and maintenance in healthcare facilities.
