
Serving Chicago Lawn, IL and surrounding areas
Approved
In business since 2016
Free estimates
Customers say: Quality work
"Honest on what type of insulation would be good for our situation and how it would help reduce heating and cooling costs"


Serving Chicago Lawn, IL and surrounding areas
Approved
In business since 2016
Free estimates
Customers say: Quality work
"Honest on what type of insulation would be good for our situation and how it would help reduce heating and cooling costs"

Serving Chicago Lawn, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1993
Free estimates
Warranties offered
"Used them to insulate the ceiling of a garage that was causing the room above it to be very cold in the winter. The crew did a great job."





+30

Serving Chicago Lawn, IL and surrounding areas
Approved
In business since 1996
Free estimates
Warranties offered
"Attic Air absolutely lived up to their reputation. They did a GREAT job! I did my research in creating a short list of 3 bidders for the job. I have a bi-level house (4 levels) with 2 attics. We had black mold on the underside of the roof which we had remediated a week before having Attic Air come in to fix our ventilation and insulation issues. Our upstairs floor was cold in the winter and hot in the summer. The attic ventilation and insulation needed to get fixed, and I wanted to make sure I hired a good company to do it the right way so I never had to worry about it again. I made the right choice. The temperature throughout the house is so much more even now. Before Attic Air came out, the basement and sub-basement were freezing and the first and second floors were warm and hot. My over-sized top of the line Trane a/c unit was working overdrive to try to cool the 2nd floor and never could do it. The top floor is so much cooler now than before. It's really going to save my a/c unit in the long run. Attic Air was not the lowest bid of the 3, but you get what you pay for. If you want to get the best quality this is the company you want. I would haven't have changed a thing. Worth every penny!"

Serving Chicago Lawn, IL and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"I am very happy with the work done by Green Attic Insulation. David and Charlie were very friendly, professional, responsive, and flexible in working with my changing needs. I originally was looking into insulation but then discovered there was mold in my attic. As the job grew, David, Charlie, and their team worked with me to address the additional parts of the job. I really appreciate their knowledge and the thorough job they did. They took many pictures of their progress and kept me informed each step of the way. Thank you very much!"





+886

Serving Chicago Lawn, IL and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"Attic Pro Insulation did an outstanding job! They contacted me 10 minutes after I entered my search information.They were professional, on time, and explained everything clearly. Highly recommend them for anyone needing quality insulation work!"
Serving Chicago Lawn, IL and surrounding areas
Approved
In business since 2008
Free estimates
Credit card accepted
"Jim and his crew were very good. They were able to solve our legacy insulation issues in an old house with practical solutions. They came back out for a follow up when one part needed some additional insulation. I d recommend them enthusiastically."

Serving Chicago Lawn, IL and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"I am very pleased with my new windows. I used Home Genius Exteriors to do my roof, gutter protection, and now Windows. This is an absolute amazing company, my salesman brendan was very helpful, Devan the Project Manager helped make sure everything went smoothly. Walter and Mike also from production were very friendly and professional. And Shawn, the window installer was polite,knowlagable, and efficient. And even cleaned up on his way out. Next on the agenda is to get a new door taken care of. Highly recommend HGE"

Serving Chicago Lawn, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1979
Free estimates
Emergency services offered
"Romy arrived early and did a great job! He did the yearly maintenance check on our dehumidifier, sump pump, and crawlspace encapsulation. He was very thorough and explained everything very clearly. Will be purchasing a water heater from them! Thanks Romy!"





+48

Serving Chicago Lawn, IL and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"The Home Genius Exteriors team does excellent work. From the initial quote to the final walk through they are professional, patient, and, perhaps most importantly, available. I'm not completely "roofing naive" and I can say that their craftsmanship is top notch. They are a bit pricey in my opinion BUT I believe it to be a "you get what you pay for situation." You will certainly be in safe and certain hands with Mike, Walter, Luis and company. I would 100% keep them in mind for future projects."

Serving Chicago Lawn, IL and surrounding areas
Approved
Free estimates
Warranties offered
Small jobs welcome
At HeatLock Insulation, we specialize in high-performance insulation solutions designed to make homes and commercial buildings more energy-efficient, comfortable, and protected year-round. Based in Illinois, our team delivers professional insulation services with a focus on quality craftsmanship, reliability, and long-term energy savings.\n\nWe provide expert installation of spray foam insulation, attic insulation, wall insulation, crawl space insulation and air-sealing systems forth residential and commercial properties. Whether it's a new construction project, renovation, or energy-efficient upgrade, HeatLock Insulation helps seal air leaks, regulate indoor temperatures, reduce noise, and lower monthly utility costs.
Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.
R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.
Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.
You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.
Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.
From average costs to expert advice, get all the answers you need to get your job done.

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