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Business Details
19 Years
experience
Your Trusted Home Builders in Carver, MA
Founded in 2007, McMahon Insulation brings over 60 years of combined expertise to every project, specializing in weatherization, insulation, carpentry, and mold remediation. As a BPI-certified, fully licensed, and insured contractor, we prioritize eco-friendly products and methods while delivering comprehensive home improvement solutions. Our teams deep community roots and commitment to quality ensure every client receives tailored services that enhance energy efficiency, indoor air quality, and structural integrity.

We handle permitting, offer Mass Save incentives, and provide free quotes, ensuring transparency and value. With a focus on traditional craftsmanship and innovative techniques, weve become a trusted name in Carver, MA, and surrounding areas.
Services
Full-Service Weatherization Carpentry and Roofing Heat Pump Services Mold Remediation Spray-Foam Insulation Mass Save HPIN Installer
Details
  • Year established: 2007
Highlights and features
  • We offer 60+ years of combined experience in home weatherization and insulation.
  • Our team is BPI-certified for energy-efficient home improvement standards.
  • We use eco-friendly products and methods to ensure sustainable solutions.
  • We provide comprehensive services, including permitting and Mass Save rebates.
  • Locally owned and operated with deep roots in the Carver community.
Associations and certifications
  • Building Performance Institute (BPI)
Services
Full-Service Weatherization
Our full-service weatherization solutions identify energy loss areas and implement tailored air sealing and insulation upgrades. This improves energy efficiency, reduces utility bills, and enhances year-round comfort. Ideal for homeowners seeking sustainable, long-term savings.
Spray-Foam Insulation Services
Spray-foam insulation offers superior air sealing for hard-to-reach areas, minimizing energy loss and improving indoor comfort. This durable solution provides lasting performance, making it a cost-effective investment for homeowners.
Heat Pump Services
We install and maintain energy-efficient heat pumps that provide consistent heating and cooling while reducing carbon footprints. These systems offer lower energy bills and qualify for Mass Save rebates, ensuring value for homeowners.
Mold Remediation
Our mold remediation services address health risks and structural damage by removing mold at the source. Using eco-friendly products, we prevent regrowth and restore indoor air quality for a healthier home environment.
Carpentry and Roofing
From repairs to renovations, our carpentry and roofing services ensure structural integrity and curb appeal. We handle all aspects of roofing and carpentry to protect homes against the elements while enhancing aesthetics.
Questions
What is a Mass Save home energy assessment?
A no-cost assessment identifies energy-saving opportunities, offering rebates for insulation, air sealing, and heat pumps. It helps reduce utility bills and carbon footprints.
What services does McMahon Insulation offer?
We specialize in weatherization, spray-foam insulation, heat pump installation, mold remediation, carpentry, and roofing services for residential properties.
Are financing options available?
Yes, we offer 0% financing through Mass Save programs for energy-efficient home upgrades.
Is McMahon Insulation licensed and insured?
Yes, we are a fully licensed and insured home improvement contractor with BPI certification.
What areas do you serve?
We serve Carver, MA, the South Shore, and surrounding areas.
What are your business hours?
We are open Monday through Friday from 7:30 AM to 4:00 PM and closed on weekends.
Reviews (4)
Alyssa Regan
Sep 11, 2020 Report
McMahon Insulation is such a wonderful company! Very professional , efficient, knowledgeable and extremely helpful! This company really cares about its's customer! Cant say enough and how pleased I am with their work and service! Highly recommend! Not enough stars to rate!
Dizwhoibe
Jun 17, 2020 Report
Very effective company. They got the job done quickly and were personable (pretty awesome actually) and I would recommend these guys to anyone.
Tracy Smith
Jun 12, 2020 Report
Josh and his crew did an incredible job. Extremely thorough and professional. All of the guys were extremely friendly and answered all of our questions. They definitely went the extra mile for us and couldn't be more happy. We highly recommend McMahon Insulation.
Mike M.
Oct 12, 2018 Report
I needed spray foam done in my attics and eaves. I was very impressed with the amount of knowledge and detail regarding my situation. They sprayed closed cell foam and did an excellent job! Great group of guys that did an awesome job. Highly recommend!