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Learn about our screening process

12 Years In Business

Company Details

Hours

  • Mon: 8:00 AM - 5:00 PM
  • Tue: 8:00 AM - 5:00 PM
  • Wed: 8:00 AM - 5:00 PM
  • Thu: 8:00 AM - 5:00 PM
  • Fri: 8:00 AM - 5:00 PM
  • Sat: Closed
  • Sun: Closed
View All Details & Credentials

Achievements

Service Details

  • Residential Work
  • Commercial Work
  • Small Jobs Welcome

Areas of Expertise

  • Energy Saving
  • Insulation
  • LED Lighting
  • Air Quality
  • Attic Ventilation
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Warranty Offered
  • Credit Cards Accepted

Ratings

4.9
141 Verified Reviews
  • 5
    136
  • 4
    4
  • 3
    1
  • 2
    0
  • 1
    0

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 61-70 of 141 results
5.0 Ora E. Milwaukee, WI
10/28/2021

Very professional. Arrived on time and got busy with their assignment.

Response from Company:

Thank you for allowing us to work on your project! We appreciate your business!

5.0 Michael O. Pewaukee, WI
10/28/2021

They were very helpful arrived on time I did a methodical job uninstalling insulation was very happy with what I saw

Response from Company:

So glad we were able to help you on your project. Thank you for your business!

5.0 Bart Z. Franklin, WI
10/1/2021

Very easy to work with reliable

Response from Company:

Thanks!

5.0 Bruce B. Milwaukee, WI
10/1/2021

Very friendly, very thorough, they covered every detail both in my attic and my sill boxes in the basement. They also installed a new bathroom exhaust fan and a solar attic fan. Everything was done to the highest degree of professionalism. Hire these guys, you won't be disappointed.

Response from Company:

Thank you!

5.0 Karl R. Oconomowoc, WI
9/30/2021

I highly recommend Great Lakes Eco Systems. I'm glad I selected them to perform my attic insulation/air sealing/ventilation project. Everybody that I dealt with from the company was very knowledgeable, professional, and conscientious. Plus, they were all very nice people to work with. Their bid for the project, when compared to the bids from other contractors, was fairly priced. They were also happy to spend the time to answer all of my questions. The biggest reason I ultimately chose them for the project is that I was confident they would do the job the right way. After seeing the work that was done, that confidence turned out to be well founded. One important example is this: the two person team who performed the work discovered an existing problem with my house's soffit intake ventilation that could have easily been overlooked or ignored, and they fixed that problem. They did a lot of work (including that fix to the ventilation problem), and completed it all in one day! They even did a great job of cleaning up when they were done. In other words, they went "above and beyond" in their duties.

Response from Company:

Customer experience and satisfaction are our number one priority and thank you for trusting our company!

5.0 Gen S. Plymouth, WI
9/18/2021

I had contact with three people from Eco Systems and all were outstanding. I felt they were proud of their product and the installers knew how to install it in no time. They were polite, professional and friendly. I recommend them for insulation solutions that is eco friendly.

Response from Company:

Thank you for your kind words, this made our day! We were happy to help you on your insulation project!

5.0 Andrew F. Fond Du Lac, WI
8/30/2021

Great work, great service the crew was there on time and got all work done that was agreed on and cleaned up when the work was done.

Response from Company:

Thank you for allowing us to help you with your project!

5.0 Patrick H. Racine, WI
8/22/2021

Good working company . Had some things we had to adjust some options were a better fit. overall appreciated their work quality of customer service Iâ m also expecting a reduced heating bill with the updated insulation in the ceiling . thanks Bill appreciate your work thanks Tim for all the communication. I would definitely recommend and hire them again.

Response from Company:

It was our pleasure working with you on your insulation project!

3.0 Joe R. Waukesha, WI
8/13/2021

Workers were nice. They got the job done and cleaned up afterwards.

Response from Company:

Thank you for your business!

5.0 Marilyn K. Milwaukee, WI
7/26/2021

Everyone was professional and very helpful.

Response from Company:

Thank you.

Photos

Great Lakes Eco Systems, Inc.
6
Blanket installation

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Seal of Approval

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