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Insulation specialists offering removal and installation for energy efficiency
The Best Insulation Contractor Company in Brentwood
Compare top-rated insulation contractor providers in Brentwood. Profiles include verified reviews, service details, and direct contact options.
Service providers
Insulation Contractor pros near Brentwood
These companies are based in nearby cities and serve Brentwood.
Closed until Tue, 8:00 AM
Koala Insulation of St. Louis is a family-owned certified insulation expert providing high-quality insulation services to homeowners, contractors,…
Closed until Tue, 8:00 AM
Founded with the intent of providing top quality insulation products and installation techniques for energy efficient homes. Our goal was to be mo…
Closed until Tue, 7:00 AM
Peterson Energy Consultants has been and still is a family owned and operated business, I Paul Peterson got started in the Insulation Industry ri…
Closed until Tue, 8:00 AM
At Better Home Insulation, we help homeowners create more comfortable, quieter, and energy-efficient homes. We keep the process simple and stress-…
Open 8:00 AM – 9:00 PM
Residential & Commercial Insulation Contractor - We take pride in our work, as well as the community we live in. We strive for honesty and int…
Closed until Tue, 8:00 AM
At Foam Co. we believe in delivering innovative solutions to make your home or business healthier, more energy efficient, and more comfortable. Di…
From $50
Up to $500
Open 8:00 AM – 7:00 PM
In Fairview Heights, we are Greenmark Home Performance, LLC - a versatile team specializing in home performance solutions. Our expertise lies in i…
Closed until Tue, 7:00 AM
We are now taking clients for September 2024, we offer insulation removal, fiberglass and blown in insulation installation in the greater st Charl…
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Verified Insulation Contractor in Brentwood, MO
We show only active businesses that pass moderation. Results are specific to Brentwood and nearby service areas, and inactive profiles are removed to keep the list current.
Real reviews for insulation contractor
Ratings and reviews come from customers who used the service. Compare insulation contractor pros in Brentwood by experience, responsiveness, and value before you reach out.
Local-first search in Brentwood
Filter by neighborhood, check locations on the map, and find providers close to home or work in Brentwood. Listings are refreshed regularly — October 2026.
Towns around Brentwood
The same listings in the closest cities — providers there often take jobs in Brentwood too. Mileage is the approximate distance from Brentwood.
- St. Louis 7.5 mi
- Valley Park 9.6 mi
- Fenton 10.7 mi
- Chesterfield 10.8 mi
- St Charles 13.6 mi
- St. Peters 16.5 mi
- Fairview Heights 18.9 mi
- Portage Des Sioux 20.9 mi
Before you book in Brentwood
Looking for insulation contractor in Brentwood? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.
Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.
Before you hire
- Read the most recent reviews for your specific type of job.
- Ask about licensing and insurance when required for this trade.
- Get a written estimate for work over a few hundred dollars.
- Confirm availability and any trip or emergency fees upfront.
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Insulation Contractor feedback from Brentwood residents
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Scott L.I selected West County Insulation to insulate the attic above my attached garage after receiving quotes from them and three other companies in the area. All the quotes were in the same ballpark for the requested work, but Brandon at West County impressed me with his attention to detail and responsiveness during the quote process. West County was the only company that included air sealing (sealing up any gaps in the ceiling around lights, outlets, etc.) as part of the project, something none of the others called out, one of which flat out said they didn't do it). Their crew showed up exactly on time as scheduled. They reviewed the work to be done with me, and they promptly got to work. Afterwards they reviewed what was done and shared with me photos of the work that was done including the attic at the start, all the places that they air sealed, the baffles installed to prevent insulation from spilling into the eaves, the blown in fiberglass insulation, and the Draft Master assembly over the hatch. Ther weren't any issues with anything that was done. I can already see a difference in the temperature swings in my garage since the work was done. I only wish I had done the work earlier. I wholeheartedly recommend West County Insulation for anyone in need of insulation work.
