A Warmer, Healthier
Home Starts Here
Lower Bills, Healthier Home
Upgraded insulation reduces energy waste, keeps temperatures steady, and creates a healthier indoor environment.
Seal First.
Insulate Second
We locate and seal air leaks before adding insulation, so your system actually performs the way it should.
45+ Years of Home Expertise
Our team at Perma-Seal has helped over 500,000 homeowners fix issues both above and below ground.
Our Home Insulation Services
Home Insulation Services in Chicago That Save You Energy Costs
Your home should feel comfortable in every season, not just the easy ones. When winter winds cut through the attic or summer heat floods the upstairs, it’s usually a sign your insulation isn’t doing its job. Perma-Seal helps homeowners across the Chicago area fix that for good.
We’re not a “quick spray and go” insulation crew. We take the time to find where your home is losing energy in attics, walls, crawl spaces, and rim joists and recommend the right solution for your layout, not a one-size-fits-all package. Whether you need old insulation removed, new blown-in attic insulation, or high-performance spray foam to fix cold floors, our team delivers clean, careful work that protects your home and your indoor air quality.
We start with a free inspection and blower door test. We’ll look closely at your insulation and air leakage points, then walk you through the smartest path to a more efficient, comfortable home, no pressure, no guesswork.
Expert Insulation Solutions
Attic, Basement, and Crawl Space Insulation in Chicago
No two homes lose energy the same way. Some have thin attic insulation. Others have compacted fiberglass, hidden air leaks, or moisture issues below the floor. Our job is to pinpoint what’s happening in your house and solve it with the right mix of insulation and air-sealing upgrades.
If your home has hot rooms, cold floors, uneven temperatures, or energy bills that don’t make sense anymore, you’re not alone, and you’re not stuck with it.
Why Attic Insulation Matters
Living in the Chicagoland area means dealing with both high and low temperatures and frequent temperature changes at any given time; the comfort of your home depends heavily on how well it’s insulated, particularly in the attic. Attic insulation plays a pivotal role in maintaining a comfortable temperature year-round throughout your home, reducing energy costs, and ensuring a comfortable living environment. Achieving these benefits requires proper insulation to act as an effective thermal barrier.
Benefits of Upgrading Your insulation
Improved Home Comfort:
Upgraded insulation ensures a consistent indoor temperature, eliminating winter cold drafts and summer excess heat. Enjoy a more comfortable living space year-round.
Energy Efficiency and Cost Savings:
Proper insulation reduces the strain on your heating and cooling systems, leading to lower energy consumption and significant cost savings on utility bills.
Ice Dam Prevention:
Proper attic insulation is one of the most effective ways to prevent ice dams from forming on your roof.
Better HVAC Performance:
In most cases, the reason your home does not stay at the temperature you set is not because of a faulty HVAC system. Poor insulation is the primary cause of conditioned air loss and can lead to temperature fluctuations throughout your home.
What Our Customers Are Saying
For more than 45 years, we’ve helped homeowners across the Chicago area and Northwest Indiana protect their homes from heat loss, drafts, and rising energy bills. Our experience, quality standards, and clean, careful installation process ensure your attic insulation performs exactly the way it should.
Dave S. went above and beyond when
we had called Permaseal out for an attic insulation inquiry. Out by of the 5
companies we called, he was the most
thorough in explaining the process. David B. Came out after the job to redo the efficiency test and compare it to what our reading was prior to new insulation. Our efficiency reading significantly increased. The insulation install team was awesome too! They contained the surrounding area prior to removing old insulation..
Emily G.
Fantastic experience from start to finish! Oren was a terrific resource and made everything easy to follow and transparent! We knew we made the right decision after his thorough observation of our attics and crawl space. The team came out and were efficient, clean, friendly, and did all work as promised. We highly recommend working with Permaseal especially for your insulation needs!
Julia M.
Oren came to give me a free estimate on attic insulation. He arrived around 1 which worked out perfectly. He explained what their insulation entailed and how they seal all air gaps. He was very knowledgeable, personable and engaging. I decided to have them do the job and it was scheduled for the very next day. Oren also made 3 calls to ensure the financing was secured before he left. I’m looking forward to lower energy costs. Thanks Oren.
Dawn
Why Upgrade Your Insulation?
A well-insulated home stays comfortable through Chicago’s hottest summers and coldest winters. Perma-Seal’s insulation experts make it easy to improve efficiency fast with solutions tailored to your attic, crawl space, basement, or walls, starting with a free, no-pressure estimate.
Lower Energy Bills
Upgraded insulation reduces heat loss in winter and heat gain in summer, so your HVAC system doesn’t have to work overtime. The result is steadier indoor temps and noticeable savings on monthly utility costs.
Quieter & Cleaner Spaces
Insulation helps dampen outside noise and seals the gaps that let drafts and pests sneak in. It’s a simple upgrade that makes your home feel calmer, tighter, and more protected.
Healthier Indoor Air
Proper insulation and air sealing limit the flow of outdoor dust, allergens, and pollutants into your home. It also helps control humidity levels, reducing the conditions that can lead to musty mells or mold growth.
Start Improving Your Home Comfort Today
Connect with our insulation experts and explore how we can help you improve home comfort and save on energy bills. Contact us to schedule a free insulation inspection for your home today.