4.8 
27 *The Angi rating for Insulation Service companies in Grant Park, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
*The HomeAdvisor rating for Insulation Service companies in Grant Park, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
Last update on July 20, 2025
Serving Grant Park, IL and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"Natan was very professional from the very beginning. He replaced windows, siding and gutters for our home in a timely manner for a very reasonable price. I will definitely be using them again."
Serving Grant Park, IL and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"We recently had blown in insulation installed in our home and couldn’t be happier with the experience from start to finish. The team was kind, professional and incredibly prompt. They showed up on time explained the process clearly and treated our home with respect. What really stood out was the pricing after receiving a much higher quote from another company their estimate was very fair and transparent with no pressure or upselling. It was clear they care about doing honest work at a reasonable price. The installation was completed efficiently, and the whole process was smooth and stress-free. I would definitely recommend them to anyone looking for insulation work great service, great value and great people."
Serving Grant Park, IL and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"Was very good with visual steps taken with repairs and insulation. Very pleased with job."
Serving Grant Park, IL and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!\n
Serving Grant Park, IL and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"I felt very comfortable throughout the whole process from the sales to the install of my roof. The project managers, Walter and devan, were very knowledgeable during the install and made sure we didn’t have any questions. Overall very pleased with everything"
Serving Grant Park, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1979
Free estimates
Emergency services offered
"The Permaseal team was excellent and did a great job. They did everything for insulating my attic with incredible professionalism. Always kept me in the loop and left the job site clean every day. I would highly recommend them"
+48
Serving Grant Park, 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.
Serving Grant Park, IL and surrounding areas
In business since 2003
Free estimates
Credit card accepted
"Great job with my insulation project. Would definitely hire again."
Serving Grant Park, IL and surrounding areas
In business since 1978
"This service went above what was expected. They fixed issues that came up and needed attention without altering the original bid. I will recommend them to anyone needing insulation."
Serving Grant Park, IL and surrounding areas
In business since 2017
Free estimates
Small jobs welcome
We are a local family owned and operated Insulation company. We service North Riverside area and the surrounding communities. With over 10 years of experience, let us ensure your home is properly insulated and save money on your energy every month. You can thank us after for all the money we are going to save you on energy costs.\n
From average costs to expert advice, get all the answers you need to get your job done.
New insulation can make your home more comfortable and boost energy efficiency. Use this insulation cost guide to get an accurate estimate for the installation.
Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.
The cost of blown-in insulation costs varies depending on the type of insulation, labor, prep work, and more. Learn more about the cost factors in this guide.
What is insulation? This behind-the-scenes home fixture will maintain comfortable temperatures in your home no matter the season. It’ll lower energy bills, to boot.
Use this DIY checklist for insulation repair to make your living space more comfortable and reduce your heating and cooling bills in the process.
There are 10 types of insulation you can use for your home. Read this guide to discover which insulation types could be best for the job.
