Insulation Company in Brockton, MA

Brockton Team

Our local technicians call Brockton, MA, home. As leaders in the field, we are Brockton’s top insulation company. We provide services six days a week.

Top Reviews in Brockton

Read our positive reviews on Google. See why our customers spread the word that we’re the best!

Guaranteed Satisfaction

Our insulation company in Brockton, MA, guarantees you will be happy with our service.

Trained & Licensed Insulation Experts

Our insulation contractors have provided services to 3,500+ businesses and homes in Brockton and have helped residents save over $19M in utility costs savings.

Since 2013, 5C Energy Inc. has been the most trusted insulation contractor in Brockton, Massachusetts. Our team of certified crew chiefs and skilled technicians delivers insulation solutions that improve comfort and cut energy costs. Whether you’re upgrading a single-family home or managing a large-scale commercial project, we bring the experience, professionalism, and results that Brockton property owners count on. Call today or book a consultation online to get started.

Complete Insulation Services in Brockton, Massachusetts

Looking for full-service insulation solutions? 5C Energy Inc. delivers trusted insulation services in Brockton, Massachusetts for homes, businesses, and everything in between. Whether you’ve been searching for “insulation installation near me” or need a dependable insulation contractor in Brockton, we’re here to help.

Residential Insulation

From Brockton’s historic multi-family homes to newer construction, we provide insulation strategies to keep your space comfortable, quiet, and energy efficient.

Commercial Insulation

We work with building owners and facility managers across Brockton to insulate retail spaces, offices, industrial buildings, and more. The result? Lower overhead costs and better climate control.

Spray Foam Insulation

Get long-term performance with spray foam insulation that expands to seal air leaks, reduce moisture, and improve energy retention throughout your property.

Attic & Wall Insulation

Energy loss through attics and walls can drive up your bills. We help you lock in comfort by reinforcing these key areas with premium insulation materials.

Basement & Crawl Space Insulation

Drafty floors and musty smells often start down low. Our team adds the right insulation and vapor protection to these overlooked spaces, improving your home from the ground up.

Vapor Barriers

Excess moisture is the enemy of healthy buildings. We install durable vapor barriers that stop mold and mildew before they start, protecting your air quality and your investment.

Air-Sealing Services

Small gaps can cause major energy waste. Our air sealing service eliminates leaks around plumbing, vents, and framing to give your HVAC system a much-needed break.

Blown-In Cellulose Insulation

This eco-conscious insulation, made from recycled materials, offers excellent thermal resistance and a smart solution for attics, walls, and other hard-to-reach areas.

What Customers are Saying

      EXCELLENT  
   Based on 128 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Anne-Marie Arico 
 
 
 
 Trustindex verifies that the original source of the review is Google. 5C Energy was wonderful! Their team was professional, friendly, clean, and organized from start to finish. They took great care to protect my hardwood floors and cleaned up thoroughly when the job was done. I would absolutely recommend them to anyone looking for quality work!
  
 
      Posted on Google  
   
   Giovanna Carpentieri 
 
 
 
 Trustindex verifies that the original source of the review is Google. Nery and his team insulated our house from the attic to the basement in one day.  They were professional and took care of our home during the process.  I would recommend this team.
Thank you
  
 
      Posted on Google  
   
   milagros rivas 
 
 
 
 Trustindex verifies that the original source of the review is Google. The workers were fabulous, efficient competent and completed the task beyond my expectations. They were respectful , thorough with their task completion and left the entire environment clean
  
 
      Posted on Google  
   
   Leon Steinfeld 
 
 
 
 Trustindex verifies that the original source of the review is Google. We recently had 5C Energy complete energy efficiency work at our house.  Nery and team did an outstanding job.  He kept us informed of all work that was being completed.  The team was professional and very mindful of leaving the house in a clean condition.
  
 
      Posted on Google  
   
   Laura Monteiro 
 
 
 
 Trustindex verifies that the original source of the review is Google. I can’t say enough about the positive experience I had with 5CEnergy. Neri and his team were very respectful of my home, and kept me in the loop throughout the entire installation process. I had three things done through the MassSave program - attic insulation, an exhaust pipe routed through the roof, and door stripping/sweeps added to two doors. I felt extremely confident in the work because of the excellent communication; Neri came to get me a few times to show me the progress and gave me options on how I wanted the work to be done. For such a messy job like insulation, my house was spotless when they left. I would absolutely use 5CEnergy again, as well as recommend them to a friend. Please thank Neri and his team for me!
  
 
      Posted on Google  
   
   John Saad 
 
 
 
 Trustindex verifies that the original source of the review is Google. Joe and his team insulated my attic and added a drier exhaust roof vent. Highly recommend this team. Very professional, courteous, and efficient! Thanks Joe!
  
 
      Posted on Google  
   
   Susan Mottau 
 
 
 
 Trustindex verifies that the original source of the review is Google. Insulation install. Two great crews!  Efficient, skilled, informed, polite (Jimmy, Nelson; Joe, Marcos)
  
 
      Posted on Google  
   
   Jonathan Whalley 
 
 
 
 Trustindex verifies that the original source of the review is Google. 5C was great, super fast and great communication. Henry and Jarlem were great and did an excellent job.
  
 
      Posted on Google  
   
   Gretchen Sennott 
 
 
 
 Trustindex verifies that the original source of the review is Google. Cliff the chief supervisor arrived 5 minutes early with his worker Juan both conducted themselves as perfect gentleman worked efficiently and did a complete walk-through before and after cleanliness was beyond my expectations, they swept up after themselves left my basement floor. I think Cleaner than that when they started, Cliff explained everything that they were going to do and then afterwards brought me back downstairs to make sure that cleanliness was up to my expectations and was there anything else that they could do and explained everything that had been done and if everything was OK and was there anything else that they could do? I would highly recommend 5C energy to anybody.
Thank you 5C energy for making my home more energy efficient!! You’ve got a great team!
  
 
      Posted on Google  
   
   Bill Wells 
 
 
 
 Trustindex verifies that the original source of the review is Google. Henry and his crew including Keith, Jose, Dylan, Hayden and Edwin arrived at our house on time as we expected. They were all very polite and got to work right away. Henry explained everything they were going to do. We had been told this job would most likely take 2 days but they got everything done in one day. Great crew!

Why Brockton Residents Trust 5C Energy Inc.

We’ve built our reputation as the most trusted insulation company in Brockton, Massachusetts by delivering reliable service, measurable savings, and insulation solutions that actually work.

We Know Brockton Properties – From historic neighborhoods to newer developments, Brockton homes and businesses have unique energy needs. Our certified crew chiefs and insulation pros bring local experience and personalized service to every job.

Weather-Resilient Insulation – Massachusetts winters can be harsh, and Brockton summers bring their own challenges. Our insulation is designed to perform year-round, keeping your indoor temperatures stable, reducing HVAC wear and tear, and helping you stay comfortable without overpaying on your utility bill.

Savings for Home & Business Owners – We’ve helped customers across the region save millions in energy costs. We also work with Mass Save®, National Grid, and RISE to help qualifying Brockton property owners access rebates that make insulation upgrades even more affordable.

At 5C Energy Inc., we want to be your insulation company in Lowell, Massachusetts. Available six days a week, our team is ready to help.

Free Brockton, MA Insulation Estimate

Looking for dependable insulation services in the Brockton area? 5C Energy Inc. is the insulation company in Brockton, Massachusetts that homeowners and business owners trust for professional results and proven energy savings. Call us today or use this website to schedule your free consultation and discover how much you could be saving.