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Testimonials

See what our happy customers have to say about their experience with Koala Insulation. Our commitment to quality and customer satisfaction shines through in every project, and we’re proud to share the stories of homeowners and businesses who’ve trusted us to improve their spaces.
4.9
Based on 269 reviews
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Mr. S
00:10 19 Jun 25
I researched several companies and their estimates for Crawl Space Encapsulation at my home before I decided on Koala. The communication from the owner was very timely and his onsite supervisor Mark and his crew were terrific. They were professional, friendly, efficient and very informative. My crawl space turned out better than I anticipated. I highly recommend Koala of SW Chicago!
grant zukowski
15:56 07 Jun 25
Their price and communication are outstanding. They did a great job installing blown in cellulose in my very low attic. When they did the install they were very fast, but they left a huge amount of dust in my halls and all over the walls. They also damaged and got dirt on a bunch of places on my freshly painted walls. I called the representative and he made things right with me, so they still get 5 stars.
Russ Tito
15:20 03 Jun 25
I used Koala on a new oversea container home . 5 containers. 1600 square feet. They were recommended by a friend who I bought the containers from.I couldn’t be happier with the results. Adam and Kyle were great , as well as the other 2 employees. It took 2 days . After each day , they left the place all cleaned up.A couple weeks later, a retired contractor visited the house. He mentioned what a great job was done.I know not many people use container homes, but they’re the experts on those types of homes. It’s safe to say that all the work they do is excellent.The professionalism, the work itself and the cleanliness is top notchI highly recommend anybody looking for spray foam insulation give them a call . You’ll be glad you did.Russell Tito. .
Ken Lantz
20:37 02 May 25
We would recommend to anyone looking for insulation to use Koala!! From the moment Mark arrived for the estimate we felt very comfortable with the company. We had two other providers come out to look as well. One didn’t show up and the other never looked in the attic and quoted double the price of Koala.Mark and his team finished the job quickly and even took pictures to show us the before and after pictures so we didn’t have to go into the tight opening of the Attic!Thank you Mark and Team! Koala is definitely an A+/5 star company!
Shane Wright
19:16 05 Mar 25
Very happy with the work Adam and his team have done with my attic. I had 4 other companies bid the job and ultimately decided to choose Koala for the job. Adam answered all the questions I had and was easy to work with.I decided to increase my attic insulation to R-60 due to horrible existing insulation, and air seal my attic. Kyle and his team showed up on time, communicated clearly, left my house as clean as before they came and even provided me with pictures of the whole job start to finish which was very nice.Good people, good price, and good results.
John Hajewski
19:32 30 Dec 24
No mess clean and quick nice people very quick turn around from start to finish. Pros.
Sean K
02:20 28 Dec 24
Carla McKeand
16:42 13 Dec 24
Pedro Vallejo
19:26 12 Dec 24
I was extremely impressed with the service provided by Koala' and their employees. They were very knowledgeable and efficient. I would be happy to recommend them to anyone looking for any insulation needs.
Shanan Fennema
15:16 11 Dec 24
Great to work with!
Tom Raschka
17:04 09 Oct 24
Phenomenal experience from initial consult through job completion! The entire team was knowledgeable, professional and thorough in addressing my concerns. I now have peace of mind knowing my family will be warm in the winter and cool in the summer!We would definitely use Koala again and I’ll gladly refer them to anyone.Thank you Koala!
Bob Glos
14:59 09 Aug 24
I called Koala Insulation on Monday, They were out at my home 2 hours later to give me an estimate. Liked estimate, better R-rate and inches blown in than others quoted at same price. I checked reviews and liked what I read. Job was done same week. They kept in touch in emails and texts before, during and after. They also send pictures before and after as they are working. I knew when they were on their way to my house through text and promptness is an A+ right on time. After they were done I couldn't even tell they were here, garage cleaner than when they got there. Their professionalism and workman and politeness is top quality. I would highly recommend this company. Excellent A+ Job done.
Larry Kollasch
11:40 29 May 24
Koala SW Chicago was expedient to remediate our mold issue, foam the roof deck, seal and fiberglass insulate the walls for a reasonable price. Great team!
Gerardo Lopez
19:11 19 Jan 24
The estimator came by and was on time with the set appointment. He was professional and patient in answering all of my questions / concerns when providing us a quote for the job. The installer, Kyle, was also professional in answering additional concerns. Kyle and his partner also explained the process and also took before and after pictures of the job. Great job done by all in an efficient timeline. Thank you!
paul swenson
12:49 28 Oct 23
Koala insulated my new garage and second floor man cave. Very professional from start to finish. Great communication which is rare these days. Showed up on time when they said they would and got ‘er done. Nice job!
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