
Get matched with top insulation pros in Westborough, MA
There are 18 highly-rated local insulation pros.
Need a pro for your insulation service project in Westborough, MA?
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Verified Reviews for Insulation Service pros in Westborough, MA
*The Angi rating for Insulation Service companies in Westborough, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
*The HomeAdvisor rating for Insulation Service companies in Westborough, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
Last update on December 05, 2025
Find Insulation pros in Westborough

Insul-Kings
Insul-Kings
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.
"We got attic insulation through MassSave -- Fast, efficient, professional service. Looking forward to energy savings in the years to come."
Doyon W on November 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.
"We got attic insulation through MassSave -- Fast, efficient, professional service. Looking forward to energy savings in the years to come."
Doyon W on November 2025

Coleman Spray Foam Inc
Coleman Spray Foam Inc
Closed and Open cell spray foam for new construction and retrofit homes. Now offering SHEEPS WOOL Insulation both Blown in and Batts. Injection Foam, Fiberglass batts, Blown in Cellulose/Fiberglass, Mineral wool, Sound Attenuation, Fire caulking. Coleman Spray Foam Inc is an Irish owned and operated insulation company serving all of Massachusetts. A company that is passionate about their work and aim to build strong relationships with home owners and contractors alike to provide the best insulation solution for you.
"John and his team did an absolutely amazing job insulating our home. I feel assurance knowing he used A+ materials and everything was done right. Coleman Spray Foam is the best contracting company I've ever dealt with."
Joe M on April 2022
Closed and Open cell spray foam for new construction and retrofit homes. Now offering SHEEPS WOOL Insulation both Blown in and Batts. Injection Foam, Fiberglass batts, Blown in Cellulose/Fiberglass, Mineral wool, Sound Attenuation, Fire caulking. Coleman Spray Foam Inc is an Irish owned and operated insulation company serving all of Massachusetts. A company that is passionate about their work and aim to build strong relationships with home owners and contractors alike to provide the best insulation solution for you.
"John and his team did an absolutely amazing job insulating our home. I feel assurance knowing he used A+ materials and everything was done right. Coleman Spray Foam is the best contracting company I've ever dealt with."
Joe M on April 2022

Eco Insulators
Eco Insulators
We're a leading Contractor and have served the Central Massachusetts area since 2021. We have the experience and dedication to get the job done right! Eco Insulators Specializes in spray foam, cellulose, fiberglass, and poly-iso insulation. We have experience tackling various residential, commercial, and industrial projects. Our company's guaranteed quality and customer service are 5 stars. We're fully licensed, insured, and compliant with all local, state, and federal guidelines. We now offer bathrooms, kitchens, and basement renovations. Want a new deck, or shed? We got you covered. We guarantee your satisfaction and won't leave until the job is done right. We pride ourselves on our quality work while delivering excellent customer service!
"I am very happily with the results."
Jane S on October 2023
We're a leading Contractor and have served the Central Massachusetts area since 2021. We have the experience and dedication to get the job done right! Eco Insulators Specializes in spray foam, cellulose, fiberglass, and poly-iso insulation. We have experience tackling various residential, commercial, and industrial projects. Our company's guaranteed quality and customer service are 5 stars. We're fully licensed, insured, and compliant with all local, state, and federal guidelines. We now offer bathrooms, kitchens, and basement renovations. Want a new deck, or shed? We got you covered. We guarantee your satisfaction and won't leave until the job is done right. We pride ourselves on our quality work while delivering excellent customer service!
"I am very happily with the results."
Jane S on October 2023

Calnan's Energy Systems Inc.
Calnan's Energy Systems Inc.
** Angie's List Super Service award winner in Insulation for 2008,2009,2010,2011,2013,2014,2015,2016,2017,2018,2019,2020,2021 and 2022**Calnan's Energy Systems Inc. has been in business for 40 continuous years and has more than 10,000 completed projects. Specializing in Energy Saving Insulation, Window and Door Installations! We have evolved from a multiple crew to a one crew company. This reduction in size has allowed us to deliver the high level of service our customers have come to expect. Direct supervision by the owner on each and every project, as well as family members involved can eliminate the concern of "Who will be working in my house?" Cost is determined by the job and all estimating is performed by the owner. No travel charges. We are proudly not a Mass Save contractor.
"Calnan Energy promptly gave me an estimate to replace our damaged bulkhead. They were professional, punctual and very patient explaining the process. Very quick response getting the estimate and getting my job done. It's a family owned and run company - could not have been any nicer and did a meticulous job installing my new bulkhead. The price was very competitive."
Karen M on February 2024
** Angie's List Super Service award winner in Insulation for 2008,2009,2010,2011,2013,2014,2015,2016,2017,2018,2019,2020,2021 and 2022**Calnan's Energy Systems Inc. has been in business for 40 continuous years and has more than 10,000 completed projects. Specializing in Energy Saving Insulation, Window and Door Installations! We have evolved from a multiple crew to a one crew company. This reduction in size has allowed us to deliver the high level of service our customers have come to expect. Direct supervision by the owner on each and every project, as well as family members involved can eliminate the concern of "Who will be working in my house?" Cost is determined by the job and all estimating is performed by the owner. No travel charges. We are proudly not a Mass Save contractor.
"Calnan Energy promptly gave me an estimate to replace our damaged bulkhead. They were professional, punctual and very patient explaining the process. Very quick response getting the estimate and getting my job done. It's a family owned and run company - could not have been any nicer and did a meticulous job installing my new bulkhead. The price was very competitive."
Karen M on February 2024

Wattson Home Solutions
Wattson Home Solutions
We are your local green expert when it comes to improving a home’s energy efficiency and comfort. We help residents by offering leading-edge home performance solutions that save energy and lower utility bills. Start with a no-cost Mass Save home energy assessment- From there we also install recommended insulation upgrades, ductless mini split/ heat pumps, as well as solar! We will assist with all rebates & incentives you qualify for.
We are your local green expert when it comes to improving a home’s energy efficiency and comfort. We help residents by offering leading-edge home performance solutions that save energy and lower utility bills. Start with a no-cost Mass Save home energy assessment- From there we also install recommended insulation upgrades, ductless mini split/ heat pumps, as well as solar! We will assist with all rebates & incentives you qualify for.

4Pointenergyllc
4Pointenergyllc
4Point Energy LLC is a dynamic and innovative company specializing in comprehensive energy solutions for residential and commercial clients. With a commitment to sustainability and efficiency, we offer a wide range of services, including Insulation, energy audits, and smart home technology integration. Our experienced team is dedicated to helping customers reduce their energy costs while minimizing their environmental footprint. We pride ourselves on using high-quality materials and cutting-edge technology, ensuring reliable performance and customer satisfaction. At 4Point Energy, we believe in empowering our clients with the knowledge and tools they need to make informed energy choices. Whether you're looking to go green, save on utility bills, or enhance your property's energy efficiency, we are here to guide you every step of the way. Choose 4Point Energy LLC—where your energy needs meet innovative solutions!
4Point Energy LLC is a dynamic and innovative company specializing in comprehensive energy solutions for residential and commercial clients. With a commitment to sustainability and efficiency, we offer a wide range of services, including Insulation, energy audits, and smart home technology integration. Our experienced team is dedicated to helping customers reduce their energy costs while minimizing their environmental footprint. We pride ourselves on using high-quality materials and cutting-edge technology, ensuring reliable performance and customer satisfaction. At 4Point Energy, we believe in empowering our clients with the knowledge and tools they need to make informed energy choices. Whether you're looking to go green, save on utility bills, or enhance your property's energy efficiency, we are here to guide you every step of the way. Choose 4Point Energy LLC—where your energy needs meet innovative solutions!

Strucore Construction
Strucore Construction
At Strucore Construction, we take pride in being your go-to partner for new construction, renovation, and additions. With a commitment to excellence, innovation, and client satisfaction, we bring a wealth of experience to every project. New Construction: Strucore Construction specializes in ground-up construction, guiding clients from conceptualization to completion with a focus on top-tier craftsmanship and adherence to timelines. Renovation: Our renovation services breathe new life into residential and commercial spaces. From interior transformations to exterior enhancements, Strucore Construction is synonymous with meticulous attention to detail. Additions: When it comes to expanding existing structures, our addition services seamlessly integrate new spaces, enhancing functionality and aesthetics in line with client preferences.
At Strucore Construction, we take pride in being your go-to partner for new construction, renovation, and additions. With a commitment to excellence, innovation, and client satisfaction, we bring a wealth of experience to every project. New Construction: Strucore Construction specializes in ground-up construction, guiding clients from conceptualization to completion with a focus on top-tier craftsmanship and adherence to timelines. Renovation: Our renovation services breathe new life into residential and commercial spaces. From interior transformations to exterior enhancements, Strucore Construction is synonymous with meticulous attention to detail. Additions: When it comes to expanding existing structures, our addition services seamlessly integrate new spaces, enhancing functionality and aesthetics in line with client preferences.

A1Maintenanceandservices
A1Maintenanceandservices
we are a general contractor in Massachusetts. we have been constructing new homes since 2010. We focus on quality service and results. we are ready to turn your vision into reality with a dedicated team of skilled professionals and a commitment to excellence. Whether it's a residential project, commercial development, or any other construction endeavor. We have the expertise and passion to make it happen.
we are a general contractor in Massachusetts. we have been constructing new homes since 2010. We focus on quality service and results. we are ready to turn your vision into reality with a dedicated team of skilled professionals and a commitment to excellence. Whether it's a residential project, commercial development, or any other construction endeavor. We have the expertise and passion to make it happen.
Metric Innovations
Metric Innovations
I manage a highly skilled team of contractors specializing in residential remodeling and development. No job is too big or small! Great communication Honest & knowledgeable Punctual & responsible VERY clean
I manage a highly skilled team of contractors specializing in residential remodeling and development. No job is too big or small! Great communication Honest & knowledgeable Punctual & responsible VERY clean
Comfortmax
Comfortmax
We stand out from the competition with our exceptional services and commitment to customer satisfaction. Here's what sets us apart: Comprehensive Services: We offer a comprehensive range of services to meet your energy needs. Our expertise includes solar panel installations, heat pump installations, and the complete process of heat loan, insulation, and air sealing. Whether you're looking to harness solar power or optimize your heating and cooling systems, we have the solutions for you. Expert Team: Our team consists of highly skilled professionals who excel in their respective fields. With extensive experience and expertise in energy-efficient technologies, our technicians and installers are equipped to deliver top-notch results. You can trust our team to provide knowledgeable guidance and ensure the highest quality workmanship. Partnership with Mass Save: As proud partners of Mass Save, we offer exclusive benefits to our customers. We facilitate rebates for heat pump installations, helping you save on your investment while embracing sustainable energy solutions. Our partnership demonstrates our commitment to providing cost-effective and environmentally friendly options. Quality Assurance: We are dedicated to delivering quality work that exceeds your expectations. We stand behind our installations and services, offering a guarantee on all our work. From precise solar panel installations to efficient heat pump systems, we ensure that every project is completed to the highest standards. Customer Satisfaction: At our company, your satisfaction is our priority. We prioritize personalized service, effective communication, and attentive support throughout the entire process. We strive to make your experience with us seamless and enjoyable, ensuring that you are delighted with the results.
We stand out from the competition with our exceptional services and commitment to customer satisfaction. Here's what sets us apart: Comprehensive Services: We offer a comprehensive range of services to meet your energy needs. Our expertise includes solar panel installations, heat pump installations, and the complete process of heat loan, insulation, and air sealing. Whether you're looking to harness solar power or optimize your heating and cooling systems, we have the solutions for you. Expert Team: Our team consists of highly skilled professionals who excel in their respective fields. With extensive experience and expertise in energy-efficient technologies, our technicians and installers are equipped to deliver top-notch results. You can trust our team to provide knowledgeable guidance and ensure the highest quality workmanship. Partnership with Mass Save: As proud partners of Mass Save, we offer exclusive benefits to our customers. We facilitate rebates for heat pump installations, helping you save on your investment while embracing sustainable energy solutions. Our partnership demonstrates our commitment to providing cost-effective and environmentally friendly options. Quality Assurance: We are dedicated to delivering quality work that exceeds your expectations. We stand behind our installations and services, offering a guarantee on all our work. From precise solar panel installations to efficient heat pump systems, we ensure that every project is completed to the highest standards. Customer Satisfaction: At our company, your satisfaction is our priority. We prioritize personalized service, effective communication, and attentive support throughout the entire process. We strive to make your experience with us seamless and enjoyable, ensuring that you are delighted with the results.
The Westborough, MA homeowners’ guide to insulation services
From average costs to expert advice, get all the answers you need to get your job done.

Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.

Trying to calculate how much spray foam insulation costs? Our in-depth guide breaks down pricing by type, amount, and where you install it.

The cost to insulate a basement varies based on materials, size, and other factors, as well as how much of the work you wish to perform yourself.

Learn everything you need to know about mineral wool insulation when selecting the insulation with the best R-value for your home.

Insulating your home with a quality product is not a decision to be taken lightly. Compare open-cell foam versus closed-cell foam insulation to find the best solution.

What's keeping your home warm? Learn the differences between cellulose vs. vermiculite insulation and why it matters.
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- 🌱 "Mow a small front yard"
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