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Business Details
36 Years
experience
Trusted Insulation Contractors in Troy, Michigan
Master Mechanical Insulation has been a trusted provider of insulation services since 1990, serving commercial and industrial clients across Michigan and the Midwest. Our team brings over a century of combined experience in specialized areas such as insulation, noise control, and fire protection, delivering cost-effective solutions tailored to client needs. We prioritize safety, quality, and productivity, ensuring compliance with OSHA standards and maintaining an EMR of 0.71. Our commitment to innovation includes energy appraisal certifications, helping clients optimize energy efficiency and achieve long-term savings.

With a focus on building strong relationships, we guide clients from project bidding through completion, emphasizing transparency and reliability. Our expertise spans industries like automotive, food and drug, and utilities, supported by affiliations with organizations like the Central States Insulation Contractors Association. Headquartered in Troy, Michigan, we serve cities including Detroit, Ann Arbor, and Lansing, combining technical proficiency with a dedication to customer satisfaction.
Services
Commercial Insulation Industrial Insulation HVAC Insulation Fire Protection Energy Appraisals Noise Control Cryogenic Insulation Storage Tank Insulation
Details
  • Year established: 1990
Highlights and features
  • We offer over 20 years of specialized experience in industrial and commercial insulation.
  • Our WBE certification reflects our commitment to diversity and excellence in contracting.
  • We maintain a strong safety record with an EMR of 0.71 and OSHA-compliant training programs.
  • Energy appraisal certifications help clients identify cost-saving insulation upgrades.
  • We serve Michigan and Midwest clients with tailored solutions for complex mechanical systems.
Associations and certifications
  • WBE Certified
  • National Maintenance Agreement
  • Central States Insulation Contractors Association
  • Knauf Insulation
  • Sheet Metal and Air Conditioning Contractors' National Association
What people say
Reliable service Expertise in insulation Strong safety practices
Services
Commercial Insulation
We provide high-quality insulation solutions for commercial buildings, including HVAC systems, plumbing, and ductwork. Our services enhance energy efficiency, reduce operational costs, and ensure compliance with industry standards. Clients benefit from tailored installations using advanced materials suited for diverse commercial environments.
Industrial Insulation
Specialized insulation for industrial facilities, including refineries, chemical plants, and automotive manufacturing. We address high-temperature, cryogenic, and FDA-regulated applications, ensuring safety and durability. Our team collaborates with engineers to meet project specifications and regulatory requirements.
Energy Appraisals
Our certified energy appraisals assess mechanical systems for insulation efficiency and energy loss. The audit identifies upgrade opportunities, providing data-driven recommendations to improve ROI. Clients receive detailed reports to make informed decisions about insulation investments.
Fire Protection
We install fire-rated insulation systems to protect structural integrity in commercial and industrial settings. Our solutions meet fire safety codes and enhance occupant protection. Services include kitchen exhaust fire systems and fire-resistant material applications.
Noise Control
Our noise attenuation systems reduce sound transmission in mechanical systems. Ideal for industrial and commercial spaces, these solutions minimize environmental noise pollution and improve workplace comfort. We use materials designed for optimal acoustic performance.
People
Mary Jo Pethke
President
Founder of Master Mechanical Insulation with 33 years of industry experience, driving growth and innovation since 1990.
Jeff Pethke
Vice-President
Vice-President with 18 years at MMI and prior leadership roles at Johns Manville, specializing in project management and operations.
Justin Pethke
Vice-President
Vice-President and Western Michigan University graduate with 18 years of experience in insulation contracting and client relations.
Rob Bergman
Operations Manager
Operations Manager with 24 years in the field, overseeing project execution and team coordination for complex insulation projects.
John Simonian
Superintendent
Superintendent bringing 20 years of field expertise to ensure quality installations and adherence to safety protocols on every project.
Questions
What services does Master Mechanical Insulation offer?
We specialize in commercial, industrial, HVAC, fire protection, and noise control insulation, along with energy appraisal audits.
Do you serve areas outside Michigan?
While based in Troy, we serve clients throughout the Midwest, including Ohio, Indiana, and Illinois.
Are you WBE certified?
Yes, we hold WBE certification, demonstrating our commitment to diversity in contracting.
How do energy appraisals work?
Our certified appraisers audit your systems, identify energy loss, and provide ROI-focused insulation upgrade recommendations.
What safety measures do you prioritize?
We enforce OSHA-compliant training, maintain a 0.71 EMR, and ensure zero-accident goals through rigorous safety protocols.
Can you handle FDA-regulated applications?
Yes, we install insulation for food and drug industry systems, meeting strict regulatory standards for hygiene and safety.
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