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TRUSTED BY HOMEOWNERS

Average homeowner rating star icon4.6
Average homeowner rating
Verified reviews icon60
Verified insulation services reviews

Insulation pros in Green Harbor

Avatar for Insul-Kings
Insul-Kings
50 Boston Rd
4.21(
34
)
Approved Pro
Insul-Kings
50 Boston Rd
4.21(
34
)
Approved Pro
Customers say: Terrific value
146 local quotes requested
26 years of experience

Insul Kings is a fully licensed and insured weatherization contractor specializing in weatherization work (adding insulation to home), energy audits, whole house air-sealing, and the installation of various types of insulation for both commercial and residential projects. We are a proud partner of Mass Save & NH Save and are rated in the top 5% of their contractor scoring.

"These guys are excellent! From Ken, whom performed the estimate, to Jeremiah and Chaz setting appointment to Dave and his partner.. I'm sorry I forgot your name. All very professional and accommodating... Dave explained what he was doing and why. Made me very comfortable with his experience and confidence in his work. I would DEFINITELY recommend Insul-Kings to anyone needing blown insulation."

Timothy C on January 2025

Insul Kings is a fully licensed and insured weatherization contractor specializing in weatherization work (adding insulation to home), energy audits, whole house air-sealing, and the installation of various types of insulation for both commercial and residential projects. We are a proud partner of Mass Save & NH Save and are rated in the top 5% of their contractor scoring.

"These guys are excellent! From Ken, whom performed the estimate, to Jeremiah and Chaz setting appointment to Dave and his partner.. I'm sorry I forgot your name. All very professional and accommodating... Dave explained what he was doing and why. Made me very comfortable with his experience and confidence in his work. I would DEFINITELY recommend Insul-Kings to anyone needing blown insulation."

Timothy C on January 2025


Avatar for McLaughlin Weatherization
McLaughlin Weatherization
12 Twin Oaks Rd
4.82(
39
)
Approved Pro
McLaughlin Weatherization
12 Twin Oaks Rd
4.82(
39
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
109 local quotes requested

Are you looking for a green environmentally friendly insulation company? Is your home cold and drafty? Do you want to save money on your home heating bills? McLaughlin Weatherization can help you resolve these problems. We install fire rated mold resistant programs available through your local utilities or Mass Save program. We can service your entire home insulation needs. From exterior walls to attic insulation we can do it all including air-sealing, venting, sound deadening or infrared scanning. McLaughlin Weatherization is your ideal choice for an array of effective insulation services. We use 100% borate fire-retardant material. Our cellulose insulation is environmentally friendly. We offer the highest content of recycled material of any insulation that is fire-, insect-, mold- and mildew-resistant. DBA McLaughlin and Williams Company Incorporated

"Professional crew; work was done quickly, with minimal disruption and fairly good cleanup. The house is older and the crew chief took reviewed the interior carefully to insure there would be no damage to the walls in the insulation process."

Katherine L on May 2022

Are you looking for a green environmentally friendly insulation company? Is your home cold and drafty? Do you want to save money on your home heating bills? McLaughlin Weatherization can help you resolve these problems. We install fire rated mold resistant programs available through your local utilities or Mass Save program. We can service your entire home insulation needs. From exterior walls to attic insulation we can do it all including air-sealing, venting, sound deadening or infrared scanning. McLaughlin Weatherization is your ideal choice for an array of effective insulation services. We use 100% borate fire-retardant material. Our cellulose insulation is environmentally friendly. We offer the highest content of recycled material of any insulation that is fire-, insect-, mold- and mildew-resistant. DBA McLaughlin and Williams Company Incorporated

"Professional crew; work was done quickly, with minimal disruption and fairly good cleanup. The house is older and the crew chief took reviewed the interior carefully to insure there would be no damage to the walls in the insulation process."

Katherine L on May 2022


Endless Energy
261 Cedar Hill Street Suite 100
4.87(
15
)
Endless Energy
261 Cedar Hill Street Suite 100
4.87(
15
)
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

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


Three brothers Property Management
20 Block St
5.00(
11
)
Three brothers Property Management
20 Block St
5.00(
11
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Three brothers has been successfully serving Ma for more than 15 years. Our goal is to assist you in the designing and building of your project, from all phases of your new custom home construction, concrete highrise restoration, roofing. No matter the size of the job at hand, we always provide a free detailed proposal clearly stating our scope of work. We utilize only the highest quality materials, experienced supervisors, and qualified tradesmen. Our excellent reputation and extensive customer reference list attest to our superior craftsmanship, attention to detail, clear communication, honesty, and integrity. We work all ways make our Custermer happy that so we care about

"I have used them on multiple homes and I would never go anywhere else. I finally found a company I can trust. Top notch service every time."

Annette C on October 2022

Three brothers has been successfully serving Ma for more than 15 years. Our goal is to assist you in the designing and building of your project, from all phases of your new custom home construction, concrete highrise restoration, roofing. No matter the size of the job at hand, we always provide a free detailed proposal clearly stating our scope of work. We utilize only the highest quality materials, experienced supervisors, and qualified tradesmen. Our excellent reputation and extensive customer reference list attest to our superior craftsmanship, attention to detail, clear communication, honesty, and integrity. We work all ways make our Custermer happy that so we care about

"I have used them on multiple homes and I would never go anywhere else. I finally found a company I can trust. Top notch service every time."

Annette C on October 2022


The Roof Kings
Located In:
4.11(
18
)
The Roof Kings
Located In:
4.11(
18
)
Customers say: Super punctual
12 years of experience

Since 2013, we have been specializing in roofing services of all kinds for all types of roofing-- installs, replacements, inspections, maintenance, and we can work with rubber, asphalt, metal, copper, slate, clay, and more! We also do other exterior work, such as: siding, soffits, fascias, gutters, windows, and more! We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all of the services we offer below and call -- or-- click to schedule a free estimate today!

"It was great for the glass. Everything was great. They were very good."

Mike K on March 2021

Since 2013, we have been specializing in roofing services of all kinds for all types of roofing-- installs, replacements, inspections, maintenance, and we can work with rubber, asphalt, metal, copper, slate, clay, and more! We also do other exterior work, such as: siding, soffits, fascias, gutters, windows, and more! We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all of the services we offer below and call -- or-- click to schedule a free estimate today!

"It was great for the glass. Everything was great. They were very good."

Mike K on March 2021


Honeydo4you Contractor
106 Stow Street
4.89(
37
)
Honeydo4you Contractor
106 Stow Street
4.89(
37
)
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Painting Interior and Exterior, Tile, Kitchen and bathroom remodels and more. I am a general contractor striving to provide quality work at a fair price. I have great references and will give you a free quote. Call me for more info 5082944541

"Owner promised job would be done well and in a timely manner, and it was!"

JOANNE D on July 2023

Painting Interior and Exterior, Tile, Kitchen and bathroom remodels and more. I am a general contractor striving to provide quality work at a fair price. I have great references and will give you a free quote. Call me for more info 5082944541

"Owner promised job would be done well and in a timely manner, and it was!"

JOANNE D on July 2023


The Best Insulation Services Inc
86 Randall St
5.00(
2
)
The Best Insulation Services Inc
86 Randall St
5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Foam Insulation, Fiberglass, Roxul, Cellulose...

"The service lasted over the course of several months due to the seasons and my building schedule. After meeting with several companies and feeling very uncomfortable getting random numbers with little or no supporting information I was referred to these folks. From the first call all were great. Met with the owner who came out, he explained the process, listened to my needs (RValue, stretch code, continuous coverage throughout) and my plans and schedule for building. They were very responsive and did the roof in the fall and the walls last week. They adjusted their schedule several times to fit mine, completed the project and cleaned up very well. The inspectors are impressed and I'm very happy with everything. I will use again and highly recommend for anyone who needs insulation to give them a call."

MICHAEL C on May 2018

Foam Insulation, Fiberglass, Roxul, Cellulose...

"The service lasted over the course of several months due to the seasons and my building schedule. After meeting with several companies and feeling very uncomfortable getting random numbers with little or no supporting information I was referred to these folks. From the first call all were great. Met with the owner who came out, he explained the process, listened to my needs (RValue, stretch code, continuous coverage throughout) and my plans and schedule for building. They were very responsive and did the roof in the fall and the walls last week. They adjusted their schedule several times to fit mine, completed the project and cleaned up very well. The inspectors are impressed and I'm very happy with everything. I will use again and highly recommend for anyone who needs insulation to give them a call."

MICHAEL C on May 2018


24/7 Insulation LLC
61 Court St
No reviews
24/7 Insulation LLC
61 Court St
No reviews
Free onsite estimate

24/7 Insulation, LLC is a spray foam insulation contractor serving the Whitinsville, MA area. Additional service areas - Boxford-Gloucester, Cohasset-Plymouth, Concord, Fitchburg-Leominster, Manchester-Nashua & Worcester Counties.

24/7 Insulation, LLC is a spray foam insulation contractor serving the Whitinsville, MA area. Additional service areas - Boxford-Gloucester, Cohasset-Plymouth, Concord, Fitchburg-Leominster, Manchester-Nashua & Worcester Counties.


Mass Green Insulation
36 Finnell Dr Unit 3-5
No reviews
Mass Green Insulation
36 Finnell Dr Unit 3-5
No reviews
13 years of experience

Over 100 contractors working to give world class service to our customers. We work with contractors as well as directly with homeowners. Subcontracting services available. We offer financing options for qualified applicants.

Over 100 contractors working to give world class service to our customers. We work with contractors as well as directly with homeowners. Subcontracting services available. We offer financing options for qualified applicants.


Insulation Depot
703 Waverly Street
No reviews
Insulation Depot
703 Waverly Street
No reviews
17 years of experience

Insulation Depot sells once-used foam insulation board, including White EPS, Blue or Pink XPS and Yellow IsoCyanurate. Perfect for all types of projects requiring rigid foam insulation such as under concrete slabs, barns, basements, attics, chicken coops and more. Our materials are priced much lower than new. See www.insulationdepot.com for more information.

Insulation Depot sells once-used foam insulation board, including White EPS, Blue or Pink XPS and Yellow IsoCyanurate. Perfect for all types of projects requiring rigid foam insulation such as under concrete slabs, barns, basements, attics, chicken coops and more. Our materials are priced much lower than new. See www.insulationdepot.com for more information.

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Insulation services FAQs

When choosing a professional insulation installer, consider asking these questions to determine the best fit.

  • Will you address air leaks in my house?

  • Can you provide an R-value (heat resistance) fact sheet?

  • What kind of insulation will work best for my home?

  • How do you handle signs of a water leak?

  • Are you licensed and insured?

  • Can you provide customer references?

The best type of insulation for your home depends on what you need, so the answer will depend on your specific situation. If you’re building a house, structural panels are easy to install during the building process in addition to being the most energy efficient type. If you live in a warm climate, reflective insulation may benefit you more as it costs less than other insulation types. And for standard attics, loose-fill, spray foam, or blown-in insulation work well.

If you plan to heat or cool your garage, you’ll need to insulate the garage ceiling. Insulating your garage ceiling will make your garage much more energy efficient and save on heating and cooling costs. Not only does insulation make your garage more energy efficient, it helps reduce noise and can extend the life of your garage roof. You can use fiberglass, cellulose, mineral wool, or spray foam insulation for this project.

In some cases, you may not have enough insulation to properly regulate your home’s temperature. Watch for a few signs your home needs more insulation, such as:

  • High heating and cooling bills

  • Uncomfortable room temperatures 

  • Ice dams on the edge of your roof 

  • Roof leaks

  • Cold floors and walls

  • Freezing pipes

  • Temperature fluctuations

  • Visibly low insulation

  • Noise problems

  • Pest problems

On average, insulating an attic costs about $2,500, ranging from $1,500 to $3,500, depending on the insulation type, amount, and your attic’s accessibility. Additional cost factors include sealing air leaks, removal or replacement of insulation, and inspections. Types of insulation include:

  • Blown-in: $1–$4 per square foot

  • Spray foam: $2–$5 per square foot

  • Batt: $2–$4 per square foot

  • Structural insulated panels: $4–$7 per square foot

  • Loose-fill: $2–$5 per square foot

  • Reflective: $0.50–$1.50 per square foot

The homeowners guide to insulation services
From average costs to expert advice, get all the answers you need to get your job done.
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Need to improve your home’s energy efficiency or just make your workspace more comfortable? Learn everything you need to know about garage ceiling insulation.
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Feb 21, 2025
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Our guide walks you through how to insulate a garage, including the walls, ceiling, and the garage door, in eight steps.
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Mar 13, 2025
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A major detail in keeping your home at the optimal temperature is choosing between duct insulation types. Here's how to narrow down your options.
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