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Thermaseal / Lakeside Insulation

3.5
(16 reviews)

Business Details

770 Industrial Drive, Cary, IL
60013, United States
(847) 566-7051
https://www.thermaseallakeside.com

About

Insulation ContractorGeneral ContractorGutter Cleaning ServiceRoofing ContractorWaterproofing Company
If you want to install home insulation in Chicago, IL, you’ve come to the right place! The expert insulation contractors in Chicago from ThermaSeal / Lakeside Insulation have been insulating homes, offices and commercial buildings in Chicago and surrounding areas for over 20 years. ThermaSeal / Lakeside Insulation, a part of the Installed Building Products family of companies, has been serving Chicagoland since 2001 and helping residential and commercial customers alike increase energy efficiency and save money. We provide a variety of insulation installation services, all with one goal in mind: making your life easier.

Location

Thermaseal / Lakeside Insulation
770 Industrial Drive, Cary, IL
60013, United States

Hours

Monday8:00 AM - 5:00 PM
Tuesday8:00 AM - 5:00 PM
Wednesday8:00 AM - 5:00 PM
Thursday8:00 AM - 5:00 PM
Friday8:00 AM - 5:00 PM
SaturdayClosed
SundayClosed

Reviews

3.5
16 reviews
5 stars
9
4 stars
1
3 stars
0
2 stars
1
1 star
5
  • MK
    Matthew Kugler
    Feb 17, 2026
    5.0
    Very good experience with Thermaseal. They did spray foam insulation in my attic. Clear communication, fast work, and a huge difference in temperature. Some of the earlier reviews mention communication and timeliness issues. We primarily worked with Chris and had no problems there. There would have been a fee to pay by credit card, but there were multiple payment options that did not have fees.
  • KG
    Kevin G
    Jan 16, 2026
    1.0
    I hate surprise costs and extra fees. Credit Card fee announced after the fact, when I paid my bill. After I told our salesperson twice I would be paying with Credit Card. Not a good way to do business. Why should customers have to pay the companies cost of owning a company. I was told 11:00 arrival they showed up at 7:45am, I still had 1 hour of work emptying the Attic to do. Finished work was good, install Team polite and hard working. When I asked for a quote I told the salesperson it needed to include all fees and we were paying with credit card. . When we received the quote there was a total and no mention of credit card fees. When I got my bill and promptly went to pay it with a credit card tgey said there is a 3% fee. When I discussed it with them they basically said "sorry we charge a fee and there is no way around it. It's not the money it's the principle of hiding a 3% fee after discussing it.
  • GH
    Gerald Hawk
    Jul 8, 2023
    5.0
    Wow! The two man crew that installed vents and more insulation in my attic did a great job. Plus the cost was very reasonable for the amount of time spent, the blow in insulation, and the vents that were installed. I should also mention that the sales rep. that represented TSLS was very professional and highly experienced. He gave me good advice and a fair price. I highly recommend ThermaSeal/Lakeside, Cary, IL
  • MB
    Michael Byrne
    Jun 11, 2021
    1.0
    Really really disappointed with my recent experience with Thermaseal / Lakeside Insulation. I used them several years ago for a crawlspace insulation job and was happy with the work. I reached back out to them to redo the same work because some construction work damaged the insulation they installed. This experience was completely different even though I was working with the same contact (Bill). There was nothing but broken promises from the moment I reached them. Started with call backs, continued with onsite estimate meeting and continued with the failure to ever deliver the estimate. There must have been 5 or 6 times that Bill said he would call, or show up, or provide the estimate and each time it never happened. Ultimately, he just ghosted me and stopped responding. Not only was it a headache, it actually cost me money out-of-pocket to rush delivery from another contractor to finish the job by my needed date - which Bill repeatedly claimed he would meet. Literally tried my best to give them business with repeatedly reaching out...whole experience was miserable.
  • SH
    Scott Hopper
    Apr 3, 2020
    5.0
    I couldn't be more pleased. John was amazing. Addressed all of our concerns, made recommendations I never thought of and even explained why something I wanted wasn't worth the money even though what I asked about would've cost us so much more. John was very honest and if he didn't answer calls he called back in a prompt manner. Very fast work, very thorough work as well. And it was a lot less than I anticipated. We had a spray foam coating on our main walls, sprayed heavy in the sill, and batted the rest. From our previous to the remodel we can tell how much better our home is insulated and how much quieter it is with even the thin spray foam.

Frequently Asked Questions About Thermaseal / Lakeside Insulation

When was Thermaseal / Lakeside Insulation established?

Thermaseal / Lakeside Insulation has been serving the Chicagoland area since 2001.

What types of buildings does Thermaseal / Lakeside Insulation provide insulation services for?

They offer insulation installations for homes, offices, and commercial buildings in Chicago and surrounding areas.

Brand Certified Facts from Thermaseal / Lakeside Insulation

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Certified May 17, 2026Yext Knowledge Graph
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