4.8/5
Ryan Doyle
2 weeks ago
Absolutely AMAZING!!!!! This company stands by its work,they insisted that I check everything and to make sure the house was in perfect shape before the guys left ..the workers were FANTASTIC,they wore booties and protective gear …everything that you’d expect was perfectly done ..totally exceeded my high level of expectations.This is the way work should be done ,I can’t say enough about these guys HIGHLY RECOMMEND TO ANYONE …Hats off to Green Attic for your high standards…And not to forget about Patrick,he took on this challenge with total confidence,thank you ,thank you so much
Howard Gartzman
a month ago
I have used Green attic several times. They are quick, clean, thorough, reliable and cost was middle of the pack compared to other quotes. These people, including Walter, Romulo and all the people in the office have been professional, courteous and flexible as well as reliable and expedient.
L Clark - Google Review Avatar
L Clark
2 months ago
Romuno and his team came on time and were very cordial and friendly. They discovered an issue with some electrical work while working on the insulation, which I was surprised and happy about, and were able to rectify the situation easily and at a great value, considering the timing of the project, etc. Romuno made it clear he want to ensure my satisfaction throughout the process.  When finished, the job site was cleaned very well.I highly recommend this company and all its team members and hope to do more projects in the future with them!
Daniela Ferrantelli
6 months ago
Highly recommend Green Attic. Scheduled to have  my attic re-insulated and Romulo and his crew did a fabulous job. The attic was in pretty bad shape prior to the work getting done and green attic made it look so good. The crew worked efficiently and got the job done in 2 days. I also asked Romulo to install a couple other things on my roof outside of the scheduled project and he very kindly and willingly did so without hesitation. Very pleased with how everything turned out. Thank you so much for a job well done! Before and after pics below.
Emily Gerhardt
5 months ago
These guys did a great job! Great price, quality service, and they offer several payment options and plans. I thought we bought a lemon of a house and the insulation and sealing job they did fixed all of our issues and were so thrilled! Highly recommend these guys. Plus they are local so it’s great supporting a chicago based company.
Mel Petersen
a week ago
Great service, highly recommend! We needed our attic inspected and insulated because it was sealed off when we moved in. The team gave a pretty accurate quote though they weren’t able to get into the attic to see everything. For the work, they were on-time, efficient, communicative, and did a great job cleaning up after, can hardly tell they were here. I will definitely call them again if we decide to do more insulation work.
John Andrew Krol
5 months ago
We have a somewhat unusual split level home that was built in 1968 that has three separate attic spaces. There was very little insulation left and many penetrations into the house. The upper level was unbearable in the summer and we imagined it would be very cold in the winter. We chose Green Attic because we felt they were more meticulous than other companies, providing the most detailed quote and explaining all aspects of air sealing and use of cellulose insulation. For anyone looking to insulate, please note that air sealing is just as important - you will not get much benefit from insulation if conditioned air from your home can be exchanged with your attic! Unfortunately, after the job started, they did find mold, but the extra cost to remediate was certainly worth it. After the job was completed, we were not surprised the temperature of the house improved, but what we were surprised at was the significant improvement in indoor air quality. Just see the attached before and after as an example of how bad our attic was vs. how good it now is.
John C.
a year ago
Exellent work - showed photos of completed job, thoroughly cleaned up when finished - heartily recommend them
Doris M.
a year ago
We had Green Attic out to give us a quote for garage and attic space. Their Team 5 (Alex, Omar and Herbert) came out and worked for 2 days, non-stop. Alex discovered an area of mold in the attic that had not been seen before the quote. He took photos of every step of the remediation and showed them to us. He discussed needs for remediation and completed it right away. He spoke to us before each step and asked for approval. His team, Omar and Herbert worked as hard and long as any team we’ve ever had for past home improvements. Everything was taken care of by the end of day two. The team made sure that everything was spotless and clean before they left. I’d like to commend Alex, Omar and Herbert for their strong work ethic and genuine politeness. They were trained in a way that calls for excellence. I had a lot of contact with Tim, who came out for the original quote and he never tired of explaining procedures to us. We are so happy with the entire team of Green Attic professionals.Description of Work: Blown in attic and garage ceiling insulation
Jackie S.
a month ago
They are great. Came in, have is a reasonable price. When they came, we didn't need what we hoped them for. They even found what our problem was, after 4 yrs fighting with our condo association and 9 HVAC guys. I will use them again, no doubt
Michael L.
11 months ago
This company is really amazing and I highly recommend them! From the initial sales experience with Patrick (no nonsense, honest, detailed and great communication) to the workers including Julio who took a lot of pride in his work. It's so refreshing to deal with a reputable company that has high standards and ensures quality service. I'm glad I went with them!! Amazing work!
Adam D.
a week ago
The team that installed the insulation was great. Really conscientious and kept the place clean and finished the drywall well. I wouldn't hesitate to call them for any future work!
Nancy Okimoto
2 months ago
Green Attic did a great job. The installers were professional and left everything clean and neat when they finished .  Walter and Jaime worked on the second day and did a great job. Edgar and Rigoberto did a fine job the first day .
Iqra Makda
2 months ago
Edgar and his team came and did some work at our house. It was perfect, clean, and organized. They were very efficient and thorough. Explained the process before and after and took care of making sure none of the chemicals used impacted my kids toys. I would recommend this company to all
Anne Marie Katsoolias
a week ago
Romulo and his partner did a great job with my garage installation. They showed up on time, got to work, completed the job and cleaned up after themselves. I would recommend this company for your attic installation.

Christina Tremmel
a week ago
Great price. Installers did an excellent job. They worked steady and wore a protective uniform. Cleaned up after the project was finished. I would work with them again. Wood recommend this company.
Alicja Svean
7 months ago
Green Attic did a great job fixing all our attic issues (ventilation/insulation/mold) in our new house! Everyone we dealt with was friendly and professional from start to finish. Frank did a great job coming out and doing the estimate and Marian was very helpful at the office with scheduling/paperwork! The crew that came out to do the job was fantastic! Jaime, Jose Luis & Armando were very professional, showed me pictures as work was getting completed, answered all my questions and cleaned up everything when they were done. I would highly recommend Green Attic!
Joel P.
5 months ago
Requested attic sealing and insulation. They sealed, increased ventilation and blew in a blanket of insulation to R60. The value was very good and the install was also very good. I would not hesitate to use them again for other projects.
Becky V.
a year ago
Green Attic was great to work with. It was easy to schedule a free estimate/inspection. Patrick came out and identified issues and gave recommendations. It was easy to coordinate a date to have the work done.

I appreciated the communication they gave before coming, including names of the workers. Alvaro, Romulo and Wilfrido were great. They were very respectful of my home and cleaned up all the work areas before leaving both days. Throughout the process they explained what they were doing and would often call me over so that I could see what they had done.

It was convenient to get the Nicor rebate through them and the follow up inspection they did really showed the difference the insulation and weather sealing makes.

Overall, it was a great experience. Even though it's only been 3 months since having the work done, I have already noticed a decrease in my gas bill when compared to last year and I definitely hear my furnace turn on a lot less.
Jim S.
a year ago
The guys did a great job. On time, professional, and willing to adapt when circumstances changed. We discovered an electrical issue in the attic, so the team waited a few weeks to finish the job after I had those issues addressed.
Rich Holt
7 months ago
Romelo and his crew came to our house early, worked very efficiently.  They covered our electronics, furniture, and table/counter surfaces with plastic to avoid getting dust everywhere.  They vacuumed and mopped other surfaces to ensure our place was clean.  Very professional and courteous!
Chris S.
4 months ago
Amazing team very polite and professional
corey mueller
4 months ago
Had our attic insulation beefed up with new blown in cellulose. Was a major improvement immediatly after it was installed. Cut our heating needs by 3x to maintain temperature in the house.Team working on my house was friendly and professional. Team leads Romulo and Omar did a great job making sure everything was done right and everything was cleaned up after.
Laura Nesbitt
4 months ago
Romulo & Alvaro did a great job installing everything. Cindy, Frank and the Green Attic team were extremely attentive. I love how easy they made the process, everything is online even the rebates.

BONUS: I originally reached out to them to check for mold free of charge.
Kurt Ziegel
3 months ago
Romulo and his team did a fast, efficient, and professional job for us! They took care to protect everything in the garage from the work and cleaned everything when they were done.
Green Attic Insulation home

Green Attic Insulation Contractor in Chicago

Eco friendly insulation to protect your home & improve indoor air quality

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Green Attic's Expert Home Insulation Services Spotlighted on WGN TV

Green Attic, your trusted home insulation experts, were recently featured on WGN TV! Highlighting our commitment to energy efficiency and better air quality, the episode showcases how our services make homes more comfortable and eco-friendly. See how Green Attic is transforming homes, one insulation project at a time
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Green Attic Insulation Chicago: Creating a Healthier Home for Your Family

Watch  how Green Attic Insulation in Chicago can improve your home's energy efficiency and create a healthier living environment for your family. This video highlights the benefits of eco-friendly insulation solutions, ensuring comfort, lower energy bills, and better indoor air quality. Discover why a well-insulated attic is key to a happier, healthier home!
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Regulate your home's temperature with green attic insulation

Green Attic Insulation was featured on Daytime Chicago! Our Energy Efficient Expert, Patrick Mahoney, explained how advanced insulation solutions can significantly regulate your home’s temperature year-round. Keep it cooler in the summer and warmer in the winter while reducing energy consumption. Experience the comfort, eco-friendliness, and sustainable savings of Green Attic Insulation.

our services

Our Chicagoland Home Insulation Services

Attic insulation is one of the most cost-effective improvements you can make in your home—to better your heating and cooling at a lower cost. Insulation is one of a suite of home services Green Attic offers. Each home service is designed to make your home more comfortable, healthy—and happy!
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Basement Insulation

Insulating basements for improved energy efficiency
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Spray Foam

Efficient spray foam insulation for optimal energy savings
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Cellulose Insulation

Efficient and eco-friendly cellulose insulation services
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Insulation Removal

Safe and thorough insulation removal services
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Air Sealing

Air sealing to improve indoor air quality and energy efficiency
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Duct Sealing

Efficient dust sealing solutions for a cleaner environment.
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Mold Removal

Efficient mold removal for a healthy environment
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Energy Audit

Energy efficiency analysis for optimized energy consumption
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Ice Dam Removal

Fast and effective ice dam removal for roof protection
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Roofing

Professional roofing services for a durable and secure roof
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Heat Pumps

Energy-efficient heat pump installations and services
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Explore All Our Services
Green Attic Insulation Services
Wall Insulation
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Wall Insulation
Improve Energy Efficiency and Comfort with Sidewall Insulation Solutions.
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Attic Insulation
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Attic Insulation
Quality attic insulation for energy efficiency and comfort.
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Ventilation
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Ventilation
Enhance Indoor Air Quality and Comfort with Professional Ventilation Services.
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Crawl Space Insulation
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Crawl Space Insulation
Efficiently Insulate Your Crawl Space for Enhanced Energy Efficiency and Moisture Control.
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Air Seal
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Air Seal
Enhance Energy Efficiency and Indoor Comfort with Professional Air Sealing Services.
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Basement Insulation
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Basement Insulation
Quality attic insulation for energy efficiency and comfort.
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Our Promise to You The Homeowner

At our company, we are committed to providing you, the homeowner, with top-notch home insulation solutions. With a focus on energy efficiency, comfort, and environmental sustainability, we strive to exceed your expectations.
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Guaranteed Work
Get a 10 year warranty on our workmanship and various warranties on materials.
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Free To Get Started
Starting improving the comfort of your home with a free inspection or energy assessment.
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Comfortable Home For Every Season
Have your home running energy efficient year-round and get healthy, clean air.
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Save money
Rebates on insulation through Energy Smart (a Nicor, People's Gas and North Shore Gas program).
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Green Insulation Professional Service

From recycled materials, to energy reduction, to solar-powered facilities, to minimizing our carbon footprint, Green Attic’s attention to ecological best practices is a top priority.
Here are some examples of our green materials:

• Cellulose insulation is recycled and helps reduce CO2 emissions and greenhouse gases
• Solar attic fans for ventilation reduces heat build-up with sun-powered electric
• Recycled roofing shingles reuse materials and are more durable for longer wear
• Heat pumps can replace gas-burning furnaces, make heating and cooling your house more energy efficient, and improve air quality

For our sales team and crews, we utilize route optimization to minimize carbon use, even utilizing a Tesla. The equipment we run is more green, as well. For instance, our insulation machines don’t burn diesel or gas, like some providers.

We believe in what’s best for our clients and the planet. That’s why even our name is Green!
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Cellulose insulation is recycled and helps reduce CO2
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Get Infrared Camera Home Inspection

Cold spots in the living room result in discomfort, drafts, and low temperatures. Our solution: dense pack cellulose insulation in wall cavities and air sealing exterior seams to prevent
cold air intake.

This photo from a 2021 infrared camera inspection in Park Ridge, Illinois showcases the drawbacks of fiberglass insulation.

When not sealed and properly insulated, these areas could be causing cold spots in winter and hot spots in summer.
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Attics and dormered rooms

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Around recessed light fixtures

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Walls baseboards, hatches, closets

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Infrared Camera Home Inspection
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Green Attic Roofing offers more than just roofing solutions. We provide attic insulation, solar attic fans, and mold remediation to help maximize energy savings and create a comfortable environment for your home or business.
Profix 24/7 is a trusted restoration company in Chicago, specializing in water damage, mold remediation, and full-scale property restoration. With 20 years of experience, we respond quickly to emergencies, delivering reliable, high-quality solutions that restore not just properties, but also peace of mind.
EcoBuild Plus construction services is an eco-friendly design and construction developer that takes a green approach to custom design-build new structures and renovate existing ones. With over 25 years of experience, our team is dedicated to creating innovative, energy-efficient solutions that minimize environmental impact without compromising on quality or aesthetics.

Green Attic Insulation Chicago Projects

Our expert insulation installers, roofers and HVAC staff are waiting to hear from you. Don't wait to benefit from our professional services, like these clients have.
Crawlspace Encapsulation in Naperville, IL

Crawlspace Encapsulation in Naperville, IL

The Green Attic Insulation company recommended a comprehensive crawlspace encapsulation solution for Ellie's home in Naperville, IL.

Attic Improvement and Mold Prevention

Attic Improvement and Mold Prevention

The comprehensive project included mold treatment, insulation upgrades, and the installation of various components to ensure a well-ventilated and energy-efficient attic.

Batt Removal, Air Sealing, Attic Insulation & Upgrades


Batt Removal, Air Sealing, Attic Insulation & Upgrades


Transform your home with Green Attic's insulation services. Upgrade to cellulose insulation, improve ventilation, and boost energy efficiency in Chicago.

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Attic insulation can reduce heating bills by up to 30%
Get a free estimate from our team of insulation experts.
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Green Attic Insulation Customer Reviews

L Clark - Google Review Avatar
8 days ago
5-stars-review
Romuno and his team came on time and were very cordial and friendly. They discovered 
an issue with some electrical work while working on the insulation, which I was surprised and happy about, and were able to rectify the situation easily and at a great value, considering the timing of the project, etc. Romuno made it clear he want to ensure my satisfaction throughout the process.  When finished, the job site was cleaned very well.
I highly recommend this company and all its team members and hope to do more projects in the future with them!
Read moreHide
Google-Avatar-Avik D
8 days ago
5-stars-review
Romulo and his teammate were so fast and clean at insulating and repairing our damaged
ceiling due to a roof leak. Again it was easy to engage green Attic as a return customer because I felt well treated with their work when they first insulated and managed.to transform our cold home. Great job!
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Google-Avatar-David M
22 days ago
5-stars-review
Fantastic work. No nonsense, clean job site, speedy and good communication.
an issue with some electrical work while working on the insulation, which I was surprised and happy about, and were able to rectify the situation easily and at a great value, considering the timing of the project, etc. Romuno made it clear he want to ensure my satisfaction throughout the process.  When finished, the job site was cleaned very well.
I highly recommend this company and all its team members and hope to do more projects in the future with them!
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Google-Avatar-John Z
22 days ago
5-stars-review
Green attic insulated two levels of my house. Julio and his team did an excellent job and I have very
satisfied with the work they did. Thank you Green attic!
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Google-Avatar-W
28 days ago
5-stars-review
Romulo and his crew did an excellent job installing new insulation.  Great job with prep and 
cleanup to minimize the dust.
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Google-Avatar-T
1 month ago
5-stars-review
Edgar and crew from Green Attic were awesome. They thoroughly explained everything 
they did. Prompt courteous clean professional and hard working. I would give them more stars if I could.
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Google-Avatar-Victor P
1 month ago
5-stars-review
Romulo and his crew came by to fix a solar panel for my attic fan that had been knocked over
by a tree branch. They replaced the damaged parts and had it fixed within 30 minutes. Very professional and credit to them for doing it in super cold weather.
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Google-Avatar-Corey M
1 month ago
5-stars-review
Had our attic insulation beefed up with new blown in cellulose. Was a major improvement
immediatly after it was installed. Cut our heating needs by 3x to maintain temperature in the house.Team working on my house was friendly and professional. Team leads Romulo and Omar did a great job making sure everything was done right and everything was cleaned up after.
Read moreHide
Google-Avatar-Y
1 month ago
5-stars-review
From initial inspection and quote to payment processing, I am very content
with Green Attic. Patrick, Romulo & crew, and AP Dept. are all professional, pleasant, and amicable. I would highly recommend Green Attic. I am very satisfied with the insulation work.
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Google-Avatar-Laura N
2 months ago
5-stars-review
Romulo & Alvaro did a great job installing everything. Cindy, Frank and the Green Attic team
were extremely attentive. I love how easy they made the process, everything is online even the rebates.

BONUS: I originally reached out to them to check for mold free of charge.
Read moreHide
Google-Avatar-E
2 months ago
5-stars-review
These guys did a great job! Great price, quality service, and they offer several payment
options and plans. I thought we bought a lemon of a house and the insulation and sealing job they did fixed all of our issues and were so thrilled! Highly recommend these guys. Plus they are local so it’s great supporting a chicago based company.
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Google-Avatar-Daniela F
3 months ago
5-stars-review
Highly recommend Green Attic. Scheduled to have  my attic re-insulated and Romulo
and his crew did a fabulous job. The attic was in pretty bad shape prior to the work getting done and green attic made it look so good. The crew worked efficiently and got the job done in 2 days. I also asked Romulo to install a couple other things on my roof outside of the scheduled project and he very kindly and willingly did so without hesitation. Very pleased with how everything turned out. Thank you so much for a job well done! Before and after pics below.
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