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Verified Reviews for Energy Efficiency Auditing pros in East Otis, MA
*The Angi rating for Energy Efficiency Auditing companies in East Otis, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
*The HomeAdvisor rating for Energy Efficiency Auditing companies in East Otis, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
Last update on October 30, 2025
Find Energy efficiency auditors in East Otis

Green Collar
Green Collar
Established in 2014, Green Collar is a leading energy efficiency solutions provider for businesses and homeowners. We help our clients conserve energy, improve comfort, and save money through increased energy efficiencies. What sets us apart is our unwavering commitment to exceptional quality, backed by over two decades of collective industry expertise within our team. Our comprehensive range of services includes home energy assessments, home insulation and weatherization, as well as HVAC services. We offer a complimentary home energy assessment to accurately pinpoint areas of inefficiency within your home. Subsequently, our experienced energy consultants will offer personalized recommendations to effectively address and resolve any identified issues.
"Jeremiah and his crew did a fantastic job. They arrived on time, worked very hard in the small hot attic space, did not waste time and were very professional. Jeremiah explained from start to finish what the job entailed. When the job was completed, Jeremiah explained all that was done and wanted to make sure we were completely satisfied before leaving. They also cleaned up and did not leave a mess. We are very pleased with Green Collar and Jeremiah and his crew!"
Susan P on September 2024
Established in 2014, Green Collar is a leading energy efficiency solutions provider for businesses and homeowners. We help our clients conserve energy, improve comfort, and save money through increased energy efficiencies. What sets us apart is our unwavering commitment to exceptional quality, backed by over two decades of collective industry expertise within our team. Our comprehensive range of services includes home energy assessments, home insulation and weatherization, as well as HVAC services. We offer a complimentary home energy assessment to accurately pinpoint areas of inefficiency within your home. Subsequently, our experienced energy consultants will offer personalized recommendations to effectively address and resolve any identified issues.
"Jeremiah and his crew did a fantastic job. They arrived on time, worked very hard in the small hot attic space, did not waste time and were very professional. Jeremiah explained from start to finish what the job entailed. When the job was completed, Jeremiah explained all that was done and wanted to make sure we were completely satisfied before leaving. They also cleaned up and did not leave a mess. We are very pleased with Green Collar and Jeremiah and his crew!"
Susan P on September 2024

USA Alarm Service, Inc
USA Alarm Service, Inc
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

Co-op Power
Co-op Power
Co-op Power is a Clean Energy Cooperative owned by over 455 Members from Massachusetts and Southern Vermont with approximately 30 employees and two offices located in Hatfield and Hyde Park MA. We offer discounts on energy saving products and services, including 15-25% off all Stiebel-Eltron solar water heating systems and heat pump water heaters. Co-op Power owns Northeast Biodiesel, the largest biodiesel plant in the Northeastern US. We operate within a regional network of Local Organizing Councils to create a multi-class, multi-race movement for a sustainable and just energy future .
Co-op Power is a Clean Energy Cooperative owned by over 455 Members from Massachusetts and Southern Vermont with approximately 30 employees and two offices located in Hatfield and Hyde Park MA. We offer discounts on energy saving products and services, including 15-25% off all Stiebel-Eltron solar water heating systems and heat pump water heaters. Co-op Power owns Northeast Biodiesel, the largest biodiesel plant in the Northeastern US. We operate within a regional network of Local Organizing Councils to create a multi-class, multi-race movement for a sustainable and just energy future .
Dennis Beaulieu Electrician, Diversified Electric
Dennis Beaulieu Electrician, Diversified Electric
Master Electrician, Electrical Contracting, Electrician, Wiring, Wiring Repairs, Electrical Equipment Repair Personalized Prompt Professional Service. Residential Wiring and Wiring Repairs. Also Commercial and Industrial Wiring Services
Master Electrician, Electrical Contracting, Electrician, Wiring, Wiring Repairs, Electrical Equipment Repair Personalized Prompt Professional Service. Residential Wiring and Wiring Repairs. Also Commercial and Industrial Wiring Services
Cozy Home Performance
Cozy Home Performance
Cozy Home Performance, LLC, located in Easthampton, MA, adheres to an integrated building systems approach that follows primary principles of building science and building performance standards. Our professionalism and detailed approach will provide the home comfort, energy conservation and climate protection that is required for a healthy tomorrow. We guarantee our work and your complete satisfaction. Cozy Home has been proudly serving the Pioneer Valley and Western Mass since 2006.
Cozy Home Performance, LLC, located in Easthampton, MA, adheres to an integrated building systems approach that follows primary principles of building science and building performance standards. Our professionalism and detailed approach will provide the home comfort, energy conservation and climate protection that is required for a healthy tomorrow. We guarantee our work and your complete satisfaction. Cozy Home has been proudly serving the Pioneer Valley and Western Mass since 2006.
Massachusetts Power
Massachusetts Power
Founded in 2007, EMEX is a privately held company that is committed to reducing the cost of commercial electricity for your business. We have created a unique online platform that simplifies the process of finding the lowest energy rates and switching suppliers. This revolutionary system is instant, seamless, and hassle-free. EMEX, LLC operates in Connecticut, Delaware, Illinois, Maryland, Massachusetts, New Jersey, New York, Ohio, Pennsylvania, Texas and Washington DC. EMEX LLC is fully licensed and bonded in all applicable states. What We Offer With just a few mouse-clicks, you'll receive an in-depth, easy-to-understand savings analysis along with real-time quotes from up to 15 energy providers. If you like what you see, you have the option to lock in the best energy rate – right from your computer. There is no cost or obligation to find the lowest rates and look at your savings.
Founded in 2007, EMEX is a privately held company that is committed to reducing the cost of commercial electricity for your business. We have created a unique online platform that simplifies the process of finding the lowest energy rates and switching suppliers. This revolutionary system is instant, seamless, and hassle-free. EMEX, LLC operates in Connecticut, Delaware, Illinois, Maryland, Massachusetts, New Jersey, New York, Ohio, Pennsylvania, Texas and Washington DC. EMEX LLC is fully licensed and bonded in all applicable states. What We Offer With just a few mouse-clicks, you'll receive an in-depth, easy-to-understand savings analysis along with real-time quotes from up to 15 energy providers. If you like what you see, you have the option to lock in the best energy rate – right from your computer. There is no cost or obligation to find the lowest rates and look at your savings.
Express Plumbing, Heating and Solar Services
Express Plumbing, Heating and Solar Services
Express Plumbing is a small locally owned company specializing in the installation and service of high efficiency gas heating systems, complete plumbing systems as well as solar hot water systems.
Express Plumbing is a small locally owned company specializing in the installation and service of high efficiency gas heating systems, complete plumbing systems as well as solar hot water systems.

Granite City Electric Supply
Granite City Electric Supply
Granite City Electric Supply is the area's premiere electrical distributor serving electrical contractors as well as residential, commercial and industrial customers for over 90 years. With 28 branches covering Massachusetts, Rhode Island, New Hampshire, Vermont and Connecticut, we are the largest regional independent electrical supply company and the official distributor of electrical supplies to the Boston Red Sox.
Granite City Electric Supply is the area's premiere electrical distributor serving electrical contractors as well as residential, commercial and industrial customers for over 90 years. With 28 branches covering Massachusetts, Rhode Island, New Hampshire, Vermont and Connecticut, we are the largest regional independent electrical supply company and the official distributor of electrical supplies to the Boston Red Sox.
Foam Tight Insulation / BN Contracting
Foam Tight Insulation / BN Contracting
Over 40 years of spray foam experience. New and existing construction, spray foam roofing, and energy audits. Service all east coast. MA/CT 413.244.8651
Over 40 years of spray foam experience. New and existing construction, spray foam roofing, and energy audits. Service all east coast. MA/CT 413.244.8651
The East Otis, MA homeowners’ guide to energy efficiency auditing services
From average costs to expert advice, get all the answers you need to get your job done.
•Discover the average home energy audit cost, what impacts pricing, and how to save money on your audit. Get transparent, expert-backed cost info for homeowners.

Find out where homeowners spend the least and the most on house utilities like water, electricity, internet, cable, and natural gas.

A home energy audit is a detailed write-up of how to lower your utility bills and increase your comfort level. Find out if they’re worth the cost.
•Get a detailed breakdown of thermal imaging home inspection costs, including average prices, cost factors, and tips to help homeowners budget.

Home energy audits can identify ways to make your home more energy-efficient. Learn whether an energy audit is a good investment for your home.
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