Get matched with top insulation pros in Millbrook, IL

"We recently had blown in insulation installed in our home and couldn’t be happier with the experience from start to finish. The team was kind, professional and incredibly prompt. They showed up on time explained the process clearly and treated our home with respect. What really stood out was the pricing after receiving a much higher quote from another company their estimate was very fair and transparent with no pressure or upselling. It was clear they care about doing honest work at a reasonable price. The installation was completed efficiently, and the whole process was smooth and stress-free. I would definitely recommend them to anyone looking for insulation work great service, great value and great people."

"George came out promptly and did a thorough inspection of the crawlspace and provided options on what can be done. The insulation work was performed by Jesus who also found and fixed two foundation cracks. Encapsulation was done by Juan's team and they all did a great job. They were able to perform all the work with a very narrow opening into the crawlspace and were also able to fit in the dehumidifier. After installation there was a minor issue with the dehumidifier and Craig came right away to fix it. Great experience and I'd definitely use their services in the future if need be."

At HeatLock Insulation, we specialize in high-performance insulation solutions designed to make homes and commercial buildings more energy-efficient, comfortable, and protected year-round. Based in Illinois, our team delivers professional insulation services with a focus on quality craftsmanship, reliability, and long-term energy savings.\n\nWe provide expert installation of spray foam insulation, attic insulation, wall insulation, crawl space insulation and air-sealing systems forth residential and commercial properties. Whether it's a new construction project, renovation, or energy-efficient upgrade, HeatLock Insulation helps seal air leaks, regulate indoor temperatures, reduce noise, and lower monthly utility costs.

"best given price from other 3 attic insulation quotes, using Owens quality material with warranty, Gus very knowledgeable, great effort, very honest approach with family business, work done on time, using height scale for blown insulation and left very clean job, highly recommended"

"After contacting Jace, he came and did an assessment. He sat down and gave us a very fair bid on adding blown in insulation to our attic. We accepted the bid and he and his partner were back in a week’s time. They were very timely on arriving and were finished in their estimated time. They cleaned up the area very good. I highly recommend this company for any insulation needs."

"Very pleasant experience, the team worked fast and stay with it until completed. Looking forward to the heating benfits."

"I hired this company to do Blown in insulation in my attic, the job was done very efficiently, as well as professionally, the workers were very diligent in duties as well as very respectful. I recommend this company."

"Our crawl space now has an R19 insulation value, the musty smell is completely gone and it is a usable space which we are using as storage which is awesome!  We had a 20' x 10' storage space that is no longer needed, the crawl space was more than enough room to put all that stuff into.  I bought a mechanics dolly so getting around the crawl space is easy, it is a clean, dry well insulated space now!  The crew that did the work was professional, courteous, on time and did a great job!  Their estimator/project manager Jason was a pleasure to deal with from the the time he came out to look at the job to when it was finished.  He has integrity and is responsive, he is trustworthy which is very important to me, I am in the mechanical contracting business and deal with sub-contractors on a daily basis so everything I have written not only comes from a personal experience as a homeowner but as a professional.  You will not be disappointed in any way using this company!"

"We had a fantastic experience with Marco and his team. They did insulation work for our attic and the results were excellent. You can really tell he cares about quality and customer service."

"I just pay $75 you never know who's going to come out. They do everything electrical. Just about everything is covered except the septic tank. I had an air conditioner replaced. It went great, all I had to do was pay for the freon. He didn't charge e more than what was needed."