Graham Built Corp

Massachusetts Based Energy-Saving Solutions

As a specialist in air sealing and insulation services, we can help you with all your home weatherization needs. Our services include attic and basement air sealing, blown-in cellulose insulation, rigid board insulation, fiberglass insulation, duct system sealing and insulation, exterior door weather stripping, attic stair cover installation, and more! We serve the entire state of Massachusetts.

Energy Saving Services

We offer a number of energy saving services. With over 20 years experience, we make mini-split installs and maintenance look easy. We offer same day installation.

Graham Built Corp

Graham Built Corp provides weatherization services including air sealing and insulation the Pembroke, MA area.

East Coast Mini Splits & Heat Pumps

Graham Built Corp is pleased to introduce our new division, East Coast Mini Splits & Heat Pumps. Mini Splits and Heat Pumps are efficient systems requiring no ductwork and can fit any home.

Mini Split & Heat Pump Systems

Ductless mini-split systems offer energy-efficient heating and cooling, customizable temperature zones, and a sleek design, making them a smart solution for any home or business.

Insulation

Proper insulation helps maintain consistent indoor temperatures, reduce energy costs, and improve overall comfort by keeping your home warmer in winter and cooler in summer. See more about insulation and other work we do.

Mass Save Partner & More

From energy-efficient insulation to advanced ductless mini-split systems, we offer solutions that improve comfort, reduce costs, and enhance indoor air quality. Our services also include air sealing, mold removal, and comprehensive heating and cooling options tailored to meet your needs. As well as a partnership with Mass Save.

About Graham Built Corp and East Coast Mini Splits & Heat Pumps

At Graham Built Corp, we specialize in delivering energy-saving solutions to homes and businesses across Massachusetts. From insulation and air sealing to mold removal and weatherization, we focus on improving comfort, reducing energy costs, and enhancing indoor air quality. Our commitment to sustainability drives everything we do, ensuring every project delivers long-term value and efficiency.

As part of our mission to provide innovative solutions, we launched East Coast Mini Splits & Heat Pumps—a division dedicated to state-of-the-art ductless heating and cooling systems. These energy-efficient systems offer year-round comfort, zoning capabilities, and eco-friendly operation, making them ideal for modern homes and businesses.

With a customer-first approach and a dedication to excellence, Graham Built Corp and East Coast Mini Splits are your trusted partners for creating comfortable, energy-efficient spaces. Contact us today to learn more!

Testimonials

Graham Built Corp Reviews
ECMS Reviews

Schedule an Assessment Today

Stop overpaying on your energy bills! Let East Coast Mini Splits or Graham Built Corp inspect your property, identify air leaks, and recommend tailored solutions to boost energy efficiency and save you money.

Scroll to Top