Compare top-rated insulation contractor providers in St Charles. Profiles include verified reviews, service details, and direct contact options.
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…
These companies are based in nearby cities and serve St Charles.
Open 8:00 AM – 5:00 PM
At Foam Co. we believe in delivering innovative solutions to make your home or business healthier, more energy efficient, and more comfortable. Di…
Open 8:00 AM – 5:00 PM
At Better Home Insulation, we help homeowners create more comfortable, quieter, and energy-efficient homes. We keep the process simple and stress-…
Open 7:00 AM – 4:00 PM
We are now taking clients for September 2024, we offer insulation removal, fiberglass and blown in insulation installation in the greater st Charl…
Open 8:00 AM – 5:00 PM
Insulation specialists offering removal and installation for energy efficiency
Open 8:00 AM – 4:30 PM
Founded with the intent of providing top quality insulation products and installation techniques for energy efficient homes. Our goal was to be mo…
Open 7:00 AM – 5:00 PM
Peterson Energy Consultants has been and still is a family owned and operated business, I Paul Peterson got started in the Insulation Industry ri…
Open 8:00 AM – 5:00 PM
Koala Insulation of St. Louis is a family-owned certified insulation expert providing high-quality insulation services to homeowners, contractors,…
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…
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We show only active businesses that pass moderation. Results are specific to St Charles and nearby service areas, and inactive profiles are removed to keep the list current.
Ratings and reviews come from customers who used the service. Compare insulation contractor pros in St Charles by experience, responsiveness, and value before you reach out.
Filter by neighborhood, check locations on the map, and find providers close to home or work in St Charles. Listings are refreshed regularly — October 2026.
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Looking for insulation contractor in St Charles? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.
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On April 10, 2026 I visited Addictinsulation.com and after looking around their website, I clicked on Contact Us, and left my information, and indicated I was interested in getting a free estimate from them to add insulation to our attic. They were one of 3 contractors I collected bids from. Shortly after that, I received an email response with a coupon for $50 off, and a phone number which I called to set up an appointment for the estimate inspection. Four days later, the owner of the company, Ed Clement, came out and went into my attic. Ed gave me a price to bring my attic up to the "Industry Standard" which is R-49. I asked him to email the estimate, which he did, and it was very reasonable. We set a date for him to do the work on April 25th. Ed knows what he's doing, and completed insulating our 1218 square foot house attic in under an hour. He added 16 inches of insulation. He took several pictures, which he texted me while he was still at our home. Besides, sweeping the little insulation scraps on my garage floor and on the driveway, he removed two pieces of wood that I had left in the attic a few years earlier while I installed a fan in our kitchen. Ed was easy to work with, answered all of my questions, and gave us a good price. I highly recommend AddictInsulation for your insulating needs. Email: Ed@Addictinsulation.com Telephone: (636) 233-7314
I hired this company to insulate the new addition to my house. I was very happy with the whole experience. They did a great job and were a couple hundred dollars cheaper than what I had expected to pay. Definitely recommend!
Ed was such a great guy to work, really can't say enough good things. He got our attic insulated for a great price and have no complaints about the work. Everything went smooth and I couldn't be happier.
Two months after buying my "fixer upper," I realized that the bad smell in the house just wasn't going away. Further inspection revealed that the 60-year-old attic insulation (fiberglass and cellulose) had been fouled up by critters, and needed to go. I called Ed with Addict Insulation on a Saturday morning about 8:30, expecting to leave a message. I was shocked when Ed (the owner) answered the phone, and even more shocked when he said he gave me an estimate (based on square footage) over the phone! His price was less than half of what I'd expected. What a relief! He said that he could be there the following Saturday to do the work! The next Saturday, he showed up as promised and worked like a dog for more than eight hours. When he emerged from the attic of my brick ranch he said, "This turned out to be a bigger project than I anticipated!" In that attic, he found two layers of fiberglass batt insulation and another layer of old cellulose on top. It was a mess. Ed returned on Sunday, for another eight hours of work, and finished up Sunday night, well past sunset. He literally vacuumed the tops of those sheetrock ceilings clean. It looked great, and I was tickled pink. He stuck with his quoted price, despite the fact that this took him so many hours to finish. Ed returned about 10 days later (per my request) to put in fresh insulation and he did a masterful job. He stayed away from the soffit vents, installed baffles in the right places, and built a box around my air handler. He spent four hours making it all "just so." It looks perfect, and that lingering funky odor is gone - hallelujah! When Ed came in the house to give me the bill, we chatted a bit. He's a very impressive fellow and obviously knows his business inside and out. In the end, I paid him a little extra as a thank you for being so conscientious and thorough. It's nerve-wracking to find a contractor through the internet, but I can tell you, this guy won't disappoint. I am an architectural historian, and I am extremely persnickety, and if you google my name, you'll find that I write books on old houses. I literally picked Ed out of the blue, and I am so pleased with his work. Highly recommend him!
Ed was amazing! Fit us in at short notice and was fast and reliable. Highly recommend!
I hired addict insulation to do my home and i was very impressed. They have good deals and prices and they where friendly and had the job done quick and was done excellent! I would recommend them for any job. Thanks for doing such a good job!
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