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Verified Reviews for Energy Efficiency Auditing pros in Douglas, MA
*The Angi rating for Energy Efficiency Auditing companies in Douglas, 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 Douglas, 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 December 10, 2025
Find Energy efficiency auditors in Douglas

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

Endless Energy
Endless Energy
Endless Energy is the #1 trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts. Specializing in Furnaces, Boilers, and Heat Pumps we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation. We can help you with: *Heating Repairs, Installation, & Service *AC Repairs, Installation, & Service *Plumbing Repairs, Installation & Service *Water Heater Replacement & Service *Indoor Air Quality Solutions *Ductwork & Line Set Solutions *Electrical Panel Upgrades and Replacement *Insulation *No Cost Home Energy Assessments A Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!
"Seamless. From the moment of making the appointment with the sales rep to come out to the follow-up phone call, I could not have asked for this installation to go better at a difficult time. They listened to my concerns regarding the look on the outside of the house and the location of units inside. They assisted with all aspects of the Mass Save program making the application process easy. They took care of actual submission of the paperwork where most companies wanted to provide the info to me to then submit."
Jonathan S on July 2020
Endless Energy is the #1 trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts. Specializing in Furnaces, Boilers, and Heat Pumps we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation. We can help you with: *Heating Repairs, Installation, & Service *AC Repairs, Installation, & Service *Plumbing Repairs, Installation & Service *Water Heater Replacement & Service *Indoor Air Quality Solutions *Ductwork & Line Set Solutions *Electrical Panel Upgrades and Replacement *Insulation *No Cost Home Energy Assessments A Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!
"Seamless. From the moment of making the appointment with the sales rep to come out to the follow-up phone call, I could not have asked for this installation to go better at a difficult time. They listened to my concerns regarding the look on the outside of the house and the location of units inside. They assisted with all aspects of the Mass Save program making the application process easy. They took care of actual submission of the paperwork where most companies wanted to provide the info to me to then submit."
Jonathan S on July 2020

Ryan Silvia
Ryan Silvia
Here at R.Silvia Electrical Contractor we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call or text 4012637151
"Ryan was on time, assessed and explained the problem(s), gave estimate, purchased materials, provided receipts and did not inflate his hours worked and provided accurate billing. He did everything that needed to be done today in a straightforward and professional manner. I put his name and number in my contacts for future needs."
Tom C on October 2025
Here at R.Silvia Electrical Contractor we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call or text 4012637151
"Ryan was on time, assessed and explained the problem(s), gave estimate, purchased materials, provided receipts and did not inflate his hours worked and provided accurate billing. He did everything that needed to be done today in a straightforward and professional manner. I put his name and number in my contacts for future needs."
Tom C on October 2025
Rachel Solar Specialist
Rachel Solar Specialist
We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business, so please ask us for references.
We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business, so please ask us for references.
Clayton Home Inspection Inc
Clayton Home Inspection Inc
We are a full service licensed home inspection company in Massachusetts we have been in business since 1996. Owner operated, no subcontractors. Mass. Home inspectors license #153, Certified ASHI member # 2552071(American Society of Home Inspectors) certified/licensed Massachusetts pest inspector WDI registry certified. Fees quoted are based on multi factors, including property size, age and type of property. Email [email protected]
"Set up an appointment for an initial 10 minute phone call to talk about what we wanted. Tom ended up spending 25 minutes with us and answered a ton of questions. We subsequently set up an appointment for an initial pre-build inspection of the foundation, framing, roof, and windows. Tom was very thorough. He obviously knew his stuff. Pointed out several items that needed addressing before the insulation and walls went up. Couldn’t be happier with the amount of time he spent, how thorough he was and how much he listened to all my stupid questions and answered them in a language that I could understand. We will have him back before the next phase starts and probably a couple more times before we close. Anyone building a house or buying a new home would be wise to hire Tom. Great piece of mind and cheap insurance. Plus, he’s a really nice guy to boot."
John E on September 2024
We are a full service licensed home inspection company in Massachusetts we have been in business since 1996. Owner operated, no subcontractors. Mass. Home inspectors license #153, Certified ASHI member # 2552071(American Society of Home Inspectors) certified/licensed Massachusetts pest inspector WDI registry certified. Fees quoted are based on multi factors, including property size, age and type of property. Email [email protected]
"Set up an appointment for an initial 10 minute phone call to talk about what we wanted. Tom ended up spending 25 minutes with us and answered a ton of questions. We subsequently set up an appointment for an initial pre-build inspection of the foundation, framing, roof, and windows. Tom was very thorough. He obviously knew his stuff. Pointed out several items that needed addressing before the insulation and walls went up. Couldn’t be happier with the amount of time he spent, how thorough he was and how much he listened to all my stupid questions and answered them in a language that I could understand. We will have him back before the next phase starts and probably a couple more times before we close. Anyone building a house or buying a new home would be wise to hire Tom. Great piece of mind and cheap insurance. Plus, he’s a really nice guy to boot."
John E on September 2024

Infrared Diagnostic LLC
Infrared Diagnostic LLC
HERS rater providing energy audit and infrared building diagnostic to home owners, home buyers and commercial properties. Service include Infrared scan, Blower Door leak testing and Duct Blaster leak testing. We perform our inspections and structure our reports with clients needs in mind. The result is a clear, concise report and most importantly a satisfied client! HERS rater service to new home builders, 2012 IECC code HVAC duct leak and blower-door testing Certified RESNET HERS Rater Certified BPI Building Analyst Certified Level 3 Infrared Thermographer Wondering how you can make your home easier on the environment, while simultaneously increasing comfort and lowering energy bills? Our home energy efficiency services can help you accomplish all these goals and more. By analyzing the house as a system and looking at the interrelationships between each of your home's components -- building envelope (insulation, windows, doors, air sealing), combustion equipment (boilers, furnaces, water heaters), etc. -- we're able to identify the key sources of discomfort, indoor air quality, and energy waste in your home. We're then able to target the areas with the greatest return on investment so you get the greatest home improvement for the best value. Other infrared services are: Infrared electric system panel hot spot scan. Infrared flat roof scan for moisture damage. Infrared ratiant floor heat and plumbing scan.
"Infrared Diagnostics is an independent Energy Auditing company. Flemming is great to work with because he's a consummate professional at what he does. Very knowledgeable about building energy issues and in my case I needed an expert I could trust to tell me what I needed and to prove it with science. Flemming did exactly that by providing me with an infrared scan to show me what and where the problems in my home. With this information, and Flemming's recommendations, I can now speak to contractors intelligently and direct them to perform the work that I need done to make sure that the problems are resolved and the job is done as efficiently as possible in a way that saves me time and money. Thanks for your time and advice on how to resolve the issues Flemming!"
Ron G on February 2020
HERS rater providing energy audit and infrared building diagnostic to home owners, home buyers and commercial properties. Service include Infrared scan, Blower Door leak testing and Duct Blaster leak testing. We perform our inspections and structure our reports with clients needs in mind. The result is a clear, concise report and most importantly a satisfied client! HERS rater service to new home builders, 2012 IECC code HVAC duct leak and blower-door testing Certified RESNET HERS Rater Certified BPI Building Analyst Certified Level 3 Infrared Thermographer Wondering how you can make your home easier on the environment, while simultaneously increasing comfort and lowering energy bills? Our home energy efficiency services can help you accomplish all these goals and more. By analyzing the house as a system and looking at the interrelationships between each of your home's components -- building envelope (insulation, windows, doors, air sealing), combustion equipment (boilers, furnaces, water heaters), etc. -- we're able to identify the key sources of discomfort, indoor air quality, and energy waste in your home. We're then able to target the areas with the greatest return on investment so you get the greatest home improvement for the best value. Other infrared services are: Infrared electric system panel hot spot scan. Infrared flat roof scan for moisture damage. Infrared ratiant floor heat and plumbing scan.
"Infrared Diagnostics is an independent Energy Auditing company. Flemming is great to work with because he's a consummate professional at what he does. Very knowledgeable about building energy issues and in my case I needed an expert I could trust to tell me what I needed and to prove it with science. Flemming did exactly that by providing me with an infrared scan to show me what and where the problems in my home. With this information, and Flemming's recommendations, I can now speak to contractors intelligently and direct them to perform the work that I need done to make sure that the problems are resolved and the job is done as efficiently as possible in a way that saves me time and money. Thanks for your time and advice on how to resolve the issues Flemming!"
Ron G on February 2020

New England Clean Energy
New England Clean Energy
New England Clean Energy Inc. designs, installs and services solar electric, battery systems, and provides solar-related services and repair. The company has installed more than 1,200 solar energy systems for homeowners, businesses and nonprofit organizations in New Hampshire, Rhode Island and Massachusetts. Founded in 2006, New England Clean Energy has more positive reviews on SolarReviews.com than any installer in the northeast. Headquartered in Hudson, Mass., the company also has an office in Providence, R.I. and will soon be opening an office in New Hampshire. To see a searchable picture library of some of our work visit https://newenglandcleanenergy.com/residential/photos/ You can search by type of installation, roof type, town or state.
"We consider ourselves very lucky for having chosen New England Clean Energy as our solar installer. From the beginning to the end of the project, NECE was responsive, punctual, helpful and very focused on giving us the best - we always felt they put us, their customer, first. We are very happy customers, secure in the knowledge that no matter what issues may come up with our system, NECE is a phone call or an email away, with courteous, prompt answers. We wholeheartedly recommend them."
Teodros G on January 2019
New England Clean Energy Inc. designs, installs and services solar electric, battery systems, and provides solar-related services and repair. The company has installed more than 1,200 solar energy systems for homeowners, businesses and nonprofit organizations in New Hampshire, Rhode Island and Massachusetts. Founded in 2006, New England Clean Energy has more positive reviews on SolarReviews.com than any installer in the northeast. Headquartered in Hudson, Mass., the company also has an office in Providence, R.I. and will soon be opening an office in New Hampshire. To see a searchable picture library of some of our work visit https://newenglandcleanenergy.com/residential/photos/ You can search by type of installation, roof type, town or state.
"We consider ourselves very lucky for having chosen New England Clean Energy as our solar installer. From the beginning to the end of the project, NECE was responsive, punctual, helpful and very focused on giving us the best - we always felt they put us, their customer, first. We are very happy customers, secure in the knowledge that no matter what issues may come up with our system, NECE is a phone call or an email away, with courteous, prompt answers. We wholeheartedly recommend them."
Teodros G on January 2019

Energy Protectors
Energy Protectors
The founders of Energy Protectors recognized the worldwide shift towards greener, more energy efficient lifestyles and wanted to be a part of this positive change across the globe. Partnering with Mass Save has allowed Energy Protectors to offer quality insulation services for a fraction of the cost (75% DISCOUNT!). We are proud to not only help you save money, increase the value of your property, and increase the comfort of your home, but also to help make the world a greener and healthier place.
"The work was great, the team was fantastic, prompt and professional."
Wes S on March 2020
The founders of Energy Protectors recognized the worldwide shift towards greener, more energy efficient lifestyles and wanted to be a part of this positive change across the globe. Partnering with Mass Save has allowed Energy Protectors to offer quality insulation services for a fraction of the cost (75% DISCOUNT!). We are proud to not only help you save money, increase the value of your property, and increase the comfort of your home, but also to help make the world a greener and healthier place.
"The work was great, the team was fantastic, prompt and professional."
Wes S on March 2020

Green Energy Consumers Alliance
Green Energy Consumers Alliance
NON-PROFIT organization. Save on heating oil with local dealers, all year long. Our Heating Oil Service works like a buyers club or co-op for home heating oil and is available to most households in Massachusetts, Rhode Island, and southern New Hampshire. We use the group buying power of our 11,000 members to negotiate a discounted price per gallon with vetted oil dealers every day of the year. How it works: 1. Enroll in the program and pay your annual membership dues ($25 for a basic 1-year membership). 2. Once you’ve enrolled, we pair you up with one of the oil dealers in our network that meets your delivery, payment, and service preferences. 3. Every time you receive a delivery from your new Mass Energy oil dealer, you get the discounted member price per gallon instead of the price they charge their regular customers. That's it! As a bonus, we'll help you save even more on energy by helping you make smart decisions around energy efficiency and renewable energy upgrades. (Formerly doing business in Massachusetts as Mass Energy and in Rhode Island as People's Power & Light.)
"Always pleasant interactions with staff. You can tell that they are proud of what they do and are genuinely invested in the company’s causes."
George S on January 2018
NON-PROFIT organization. Save on heating oil with local dealers, all year long. Our Heating Oil Service works like a buyers club or co-op for home heating oil and is available to most households in Massachusetts, Rhode Island, and southern New Hampshire. We use the group buying power of our 11,000 members to negotiate a discounted price per gallon with vetted oil dealers every day of the year. How it works: 1. Enroll in the program and pay your annual membership dues ($25 for a basic 1-year membership). 2. Once you’ve enrolled, we pair you up with one of the oil dealers in our network that meets your delivery, payment, and service preferences. 3. Every time you receive a delivery from your new Mass Energy oil dealer, you get the discounted member price per gallon instead of the price they charge their regular customers. That's it! As a bonus, we'll help you save even more on energy by helping you make smart decisions around energy efficiency and renewable energy upgrades. (Formerly doing business in Massachusetts as Mass Energy and in Rhode Island as People's Power & Light.)
"Always pleasant interactions with staff. You can tell that they are proud of what they do and are genuinely invested in the company’s causes."
George S on January 2018

MacFarlane Energy
MacFarlane Energy
Customer convenience is a top priority at MacFarlane Energy. We simplify our customers' lives by serving as a one-stop shop for heating, air conditioning and home comfort. In addition to delivering heating oil and maintaining the equipment in your home or business, we provide virtually every related service: indoor air quality, duct cleaning, conservation advice, home energy audits, replacing water heaters and oil tanks, installation of high-efficiency equipment, plus more. We also install radiant heat, snow-melt systems, pool heaters, solar hot water systems, and geothermal systems.
"Review for Thomas Coolberth on July 5, 2025. Had another leak on the master board of my OB 2000. Thomas installed half a board until the master board could be replaced. There is antifreeze in the water which has to be replaced. Thomas was very friendly, explaining the problem in layman’s terms and; quickly offered a temporary fix of the problem during July 4 th weekend. Highly recommend his service."
Carl G on July 2025
Customer convenience is a top priority at MacFarlane Energy. We simplify our customers' lives by serving as a one-stop shop for heating, air conditioning and home comfort. In addition to delivering heating oil and maintaining the equipment in your home or business, we provide virtually every related service: indoor air quality, duct cleaning, conservation advice, home energy audits, replacing water heaters and oil tanks, installation of high-efficiency equipment, plus more. We also install radiant heat, snow-melt systems, pool heaters, solar hot water systems, and geothermal systems.
"Review for Thomas Coolberth on July 5, 2025. Had another leak on the master board of my OB 2000. Thomas installed half a board until the master board could be replaced. There is antifreeze in the water which has to be replaced. Thomas was very friendly, explaining the problem in layman’s terms and; quickly offered a temporary fix of the problem during July 4 th weekend. Highly recommend his service."
Carl G on July 2025
The Douglas, 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.

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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