Green Collar

Green Collar is a top-rated energy service contractor helping businesses and homeowners throughout Massachusetts. Our mission is clear, provide high-quality energy services that conserve energy, improve customer comfort, and save our clients money through increased energy efficiencies.

We pride ourselves on staying up-to-date on the latest energy efficiency trends and cutting-edge technologies. With years of industry experience, we deliver unparalleled customer service and are fully licensed and insured, ensuring our clients receive the highest level of support, expertise, and peace of mind.

As a participating Independent Installation Contractor in the Mass Save Program, we perform air sealing, weatherization, and insulation improvements to residential and commercial properties. We work with businesses and homeowners on every step of their project. From setting up the energy assessment to helping them qualify for rebates and incentives to completing the installation, we've got you covered.