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4.8/5
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Robert - Google avatar
Robert Gedmin
1 week ago
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Rigo and Wilfredo added insulation to exterior walls in two upstairs bedrooms.  Both hard workers who explained the process and answered all of our concerns and questions.  We were glad to have this crew in our home.  Wilfredo said someone will call before coming tomorrow to do the finish sanding.
Dan - Google avatar
Dan India
2 weeks ago
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Romual and Jose it’s -10 and they were here on time. Hooked up power. Protected and covered all carpeting, walls doorways etc told me it’s going to be dusty with plaster walls and 6 hours later they are Cleaned up and gone. Total 420 sq ft blown in insulation into 4” dead air space in this 1910 house.  Green attic has done my attic and now perimeter walls



Highly recommend this team.
Paige - Google avatar
Paige Bolek
3 weeks ago
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Romulo and Jorge from Green Attic were amazing. They worked extremely hard all day installing our installation and provided the best possible service. They communicated well and went above and beyond. They additionally did a great job cleaning up at the end of the day. Couldn’t recommend them more!
Andrew - Google avatar
Andrew Waple
3 weeks ago
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I hired them for attic insulation and air sealing. Their quote was the best I got and they were thorough. The estimate was done by Frank, who was very thorough and helpful in identifying areas that needed to be finished - he asked about how many bathroom fans we had upstairs and I totally forgot about one that needed to be installed! The crew worked efficiently, answered my questions, and showed me the attic when it was done. I had done some research before about what kind of work needed to be done and it all looked great. If I had another attic, I'd hire them again!
Nick - Google avatar
Nick Heineman
1 month ago
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We loved working with this company! Very professional, and very nice folks working there. From the manager at the production office, to our installation crew Romulo and Selin. Everyone was awesome!
Kyle - Google avatar
Kyle Burson
a week ago
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Romulo and Mario did a great job in doing some minor blow in cellulose work in our home. The job was done cleanly (within reason, it's still construction). They were tidy and efficient. Time will tell if the work was effective, but given what I saw we should hopefully be much warmer. Strangely, looking forward to a very cold day.
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Kenny Monterubio
1 month ago
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Jose and crew were great! He clearly explained the process and all the work that would be done. They blew insulation into our attic to the proper level and cleaned up everything before they left. Overall, they did an excellent job.
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John C.
a year ago
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Exellent work - showed photos of completed job, thoroughly cleaned up when finished - heartily recommend them
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Doris M.
a year ago
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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
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Jackie S.
a month ago
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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
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Michael L.
11 months ago
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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!
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Adam D.
a week ago
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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!
Heather - Google avatar
Heather Natal
2 months ago
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The crew was excellent, punctual and did a fantastic job. They made sure to protect the interior of our house.
Dean - Google avatar
Dean Linko
2 months ago
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The crew was on time, polite and communicative. The work was done in a timely matter, and they cleaned up as expected.  Great job, thanks
Ravi - Google avatar
Ravi Chowdhury
2 months ago
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Romulo and Jose were excellent and the job was very well done. Will definitely recommend them.
Edward - Google avatar
Edward Bourbon
2 months ago
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Prompt, clean, professional team led by Jose and his team.  Fabulous job-highly recommend!
Michael - Google avatar
Michael Rizzetto
2 months ago
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I just had Green Attic insulate my attic space/ blown in insulation. They sent a crew ( Romulo + Jose), Both were very friendly + respectful of my home and were very informative of the process.
Being a retired tradesmen,  I appreciated Romulo + Jose's workmanship/ I was shown finished job and was completely satisfied. Highly recommend.
Michael Rizzetto
Schaumburg
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Joel P.
5 months ago
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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.
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Becky V.
a year ago
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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.
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Jim S.
a year ago
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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.
Chris - Google avatar
Chris Thrall
3 months ago
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Romulo and team worked hard, were communicative, and left the work site clean.
Great job - highly recommend
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Chris S.
4 months ago
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Amazing team very polite and professional
Sharon - Google avatar
Sharon Homan
4 months ago
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Romulo did a fantastic job. Great job filling tough insulation areas. Everything clean. Very friendly and thorough!
Norma - Google avatar
Norma Smolin
3 months ago
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Attic Green was fabulous, Jorge and Rigo were great. Everything went smoothly and they cleaned everything up once they were done. Would highly recommend.
Joseph - Google avatar
Joseph Regi Stephen
3 months ago
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Romulo, did an amazing job with his 2 coworkers along side with him. He lead the attic insulation at my and did a clean work in a timely manner!
Blown-In Cellulose Insulation Service in Chicago

Blown-In Cellulose Insulation

At Green Attic, we offer blown-in cellulose insulation as an eco-friendly solution that delivers reliable thermal comfort, noise reduction, and enhanced indoor air quality.
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Trusted by homeowners for reliable, energy-saving insulation solutions.
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Why Homeowners Prefer Our Cellulose?

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Plant Based Insulation Material
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Loose Fill or Dense Pack Blow In Cellulose
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Lifetime Warranty On Material

Advantages: Blow-In Cellulose Insulation Tops Fiberglass

Here are considerable significant facts: cellulose insulation outperforms other insulations in certain key areas for you the homeowner. The goal is clear: unnaturally keep your home cool in the summer and warm in the winter (opposing temperature of exterior climate).

Cellulose is the clear winner when all categories are considered. Blow in Cellulose Insulation is covered by the American Society for Testing and Materials Standard Specifications (ASTM).
✓ R-Value
✓ Flame spread
✓ Smoldering combustion
✓ Density
✓ Corrosiveness
✓ Odor emission
✓ Moisture vapor absorption
✓ Fungi resistance
✓ Adhesive/cohesive strength (spray on only)
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Advantages: Blow-In Cellulose Insulation Tops Fiberglass
Dense-packed blown-in cellulose insulation installed in attic wall cavities

Blown In Cellulose Benefits

Cellulose is superior to other insulation materials and benefits and cons must be considered separately on each home project.

 Most general contractors advise their clients to make the switch to cellulose dense packed walls
 Significant difference is sound absorption / sound control
 Improved heat retention
 Heat protection from radiation (direct sunlight)
 Fire retardant / fire safety
 Pest and rodent resistant
 Mold, mildew and moisture resistance
 Dense packed insulation fills gaps and voids otherwise left open with fiberglass batts
 Cellulose Insulation prevents sagging at the top of the stud cavity
 Cellulose Insulation all-borate, liquid fire retardant is infused directly into the fibers, resulting in a more effective insulator at the price of competitive blended products
 Cellulose Insulation Blown In is the best method of insulation without removing drywall
Attic filled with blown-in cellulose insulation

Cellulose insulation is good for your home and environment

Cellulose insulation has a functional lifetime of more than 50 years!
Blown in cellulose insulation is produced primarily from post-consumer wood pulp (recycled newspapers), typically accounting for roughly 85 % of the insulation by weight.

Cellulose insulation is treated with fire-retardant. Borates and boric acid are used most commonly and account for the other 15 % of the cellulose insulation by weight.

Green Attic Insulation Can Help!

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Mold Resistance

Cellulose significantly decreases the risk of mold even beginning to form. Thanks to its chemical treatment, mold doesn't grow on cellulose insulation. Cellulose insulation absorbs moisture, redistributes it and lets the attic/wall/ceiling dry in a controlled manner.
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Pest control

Cellulose insulation is pest-resistant insulation that is a great addition to your pest prevention plan. This insulation works on most common household pests such as cockroaches, ants, beetles, earwigs, silverfish, termites, etc.
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Air / Vapor Barrier

Air infiltration is almost as important as R-value in the thermal performance of a building. Infiltration of unconditioned ambient air means that heating and cooling systems must expend more energy to compensate for the infiltration.
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Sound Control

Cellulose provides very effective sound control to minimize outside noises and between rooms (if the interior walls are insulated). Many people only focus on the energy savings that can be achieved with blow in cellulose insulation but overlook the benefits that come from improved sound insulation. If you have ever walked into a house that is not insulated you will immediately notice that noises from outside of the house are “louder” than in an insulated home.
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Fire Resistance

Besides saving you money, cellulose insulation also provides extremely effective fire protection capabilities. Tests conducted by Underwriters Laboratories Inc.® show that Cellulose insulation provides an effective 1 hour fire rating. This will slow the spread of a fire allowing you more time to escape any danger. This is because cellulose is specially treated using Borate Compound Chemicals as a fire retardant in the manufacturing process to meet or exceed all fire safety requirements.
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Energy Efficiency

Cellulose insulation improves the energy efficiency of your home by reducing heat transfer, keeping your space cooler in the summer and warmer in the winter. With its high R-value, cellulose insulation helps to minimize energy consumption and lower utility bills.
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Cellulose attic insulation with depth ruler showing proper coverage between rafters

Plant-Based Loose-Fill Blown In Cellulose

Cold Rooms Over A Garage? Cellulose. Existing Walls With Fiberglass Performing Poorly? Cellulose Can Solve It. New Construction? Cellulose. Existing Attic Needs Upgraded R-Value? Cellulose
Installer blowing premium plant-based cellulose insulation into an attic

Premium Plant Based Cellulose

Cellulose insulation is one of the greenest products in the world. Green Attic Insulation sources its cellulose from Wisconsin, USA emphasizing a commitment to sustainability and local resourcing.

Loose Fill Premium Class 1 Cellulose Insulation is the best choice for attic floors. It is blown in with high pressure truck mounted machines.

This R-Value ( Resistance Value) protection against heat escape from the living space while providing superior heat protection in the hot summer by preventing heat to travel through the insulation to the living space ceilings.
Green Attic cellulose insulation installers

Green Attic’s Building Science principles are the foundation of our work:

1. Provide Longer Lasting And Better Performing Building Materials

2. Focus On Home Comfort and Efficiency, Air Quality, Performance

3. Green Building – Using Plant-Based Natural Materials When Possible With The Lowest Carbon Footprint
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Why Green Attic Uses Cellulose

Blow-in Cellulose Insulation is installed in empty spaces in the structural framing to slow down the transmission of heat out in winter and reduce drafts/cold. Cellulose Insulation is used to control heat flow for the following reasons:
Cellulose insulation visible in a wall cavity

Cellulose Home Durability Benefits

Cellulose insulation effectively eliminates cold spots, which can lead to condensation issues and the subsequent growth of mold and mildew.

By preventing the formation of condensation, cellulose insulation safeguards the structural components and finish materials from staining and damage.

With its superior thermal performance, cellulose insulation ensures a consistent and comfortable indoor environment while protecting your property from the harmful effects of moisture.
Technician dense-packing cellulose insulation into wall cavities to improve indoor comfort and temperature control

Cellulose Comfort Benefits

• Cellulose insulation creates noticeably warmer surfaces, effectively reducing uncomfortable chills and drafts caused by both radiation and convection.

By providing exceptional thermal resistance, cellulose insulation ensures a cozy and consistent temperature throughout your space, enhancing overall comfort and energy efficiency.

• Cellulose insulation acts as a reliable shield against overheating caused by excessive solar gains. By effectively blocking and reducing the transfer of heat from the sun into your living spaces, cellulose insulation helps maintain a comfortable and balanced indoor temperature.

Say goodbye to the discomfort of sweltering hot rooms and enjoy a cooler and more enjoyable living environment with cellulose insulation.
Attic filled with blown-in cellulose insulation covering the attic floor between joists

Cellulose Energy Efficiency Benefits

• Insulating with Cellulose = Results: never before seen instant monthly energy savings which costs less as prices rise.

• Cellulose Insulation Creates Air Trapped Between Layers and divides the air space to reduce heat transfer in winter from the living side and heat intrusion from the attic side in summer.

Considerable significant facts

Cellulose insulation outperforms other insulations in certain key areas for you the homeowner. The goal is clear: unnaturally keep your home cool in the summer and warm in the winter (opposing temperature of exterior climate). Cellulose is the clear winner when all categories are considered.

1. Cellulose Manages Moisture
2. Reduced BTU’s during manufacturing / Recycled Production
3. Blocks Radiant Heat Transfer
4. Quiet Home Through Sound Absorption
5. Cellulose Is The Highest Recycled Content Among Its Peers
6. Cellulose Disperses Moisture and increases building component longevity
7. Eliminates Convective Air Movement
8. Plant Based Material
9. Higher Density = Better R-Value
10. Cellulose Insulation Blown-in Method uses high pressure to completely fill gaps and voids around irregular objects such as conduit, pipes , framing etc. .
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