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Top-Rated Blown in insulation install or upgrade pros in Grant Park - Updated Nov 2026

Avatar for Attic Pro
Attic Pro
5.0(
44
)
Blown-In Insulation - Install or Upgrade

Serving Grant Park, IL and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"I recently had Attic Pro of New Lenox, IL install blown-in insulation as an upgrade to my existing attic setup, and the results have been fantastic! My main reasons for doing this were to boost energy efficiency and cut down on those skyrocketing heating and AC bills—our old insulation just wasn’t cutting it anymore, especially with Illinois winters and humid summers. Within the first month, I’ve already noticed a huge difference: the house stays warmer in the cold without cranking the heat, and cooler in the heat. For the first time I am looking forward to seeing my next utility bills. The team at Attic Pro was top-notch from start to finish. They provided highly personalized service and paid incredible attention to detail—inspecting every nook, sealing air leaks, and ensuring the blown-in material was evenly distributed for maximum R-value. No cookie-cutter job here; they tailored everything to my needs."
Underinsulated attic
attic space
Response time8 hrs
Response rate100%
6 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.7(
265
)
Blown-In Insulation - Install or Upgrade

Serving Grant Park, IL and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Everyone was very professional we had a very pleasant experience. Brendan explained everything in detail very well. Lauren the project coordinator was very helpful in scheduling our project. Walter and mike the project managers were very informative during the installation. Overall we love the roof very much."
Windows
Windows
Windows
Windows
Windows

+58

Recommended by87%of homeowners
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.7(
272
)
Blown-In Insulation - Install or Upgrade

Serving Grant Park, IL and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"The new roof looks awesome. This company was amazing from the sales to the install team. Justin was very clear about what was in the roofing package that I got and the production team of devan, lauren, and Walter were very kind and efficient!"
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+55

3133 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,540
)
Blown-In Insulation - Install or Upgrade

Serving Grant Park, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"I'm proud to hear my son, Robert Wolfrum, is working for Perma-Seal. I first used Perma-Seal in the 80's for a foundation crack repair in our South Holland, IL home and then again at our Tinley Park, IL home. Both experiences were memorable and professional and fixed our basement water problems. It is good to know that my son is working for a reputable company that has been doing quality work for decades. I was surprised to hear that they do insulation and concrete leveling."
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

Response time1 day
Response rate100%
47 neighbors recently requested a quote
Avatar for Kokomo Spray Foam LLC
Kokomo Spray Foam LLC
5.0(
5
)
Blown-In Insulation - Install or Upgrade

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

53 neighbors recently requested a quote
Avatar for Honegger Insulation
Honegger Insulation
4.5(
42
)
Blown-In Insulation - Install or Upgrade

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."
Recommended by57%of homeowners
Avatar for Crawlspace / Basement Waterproofing Solution
Crawlspace / Basement Waterproofing Solution
4.4(
256
)
Blown-In Insulation - Install or Upgrade

Serving Grant Park, IL and surrounding areas

In business since 1998

Free estimates

Credit card accepted

"We hired Brian to waterproof our basement last year but this year, we received a heavy rainstorm that created massive flooding around the area. Everything Brian waterproofed was bone dry but there was an exit door entry way that we never even considered waterproofing. The door held back most of the water but it managed to get in through the cracks of the door. 

I contacted multiple companies that night and the next morning, but Brian was the only one who responded back first thing in the morning. He agreed to meet us at our house to assess the problem, and we appreciated that he arrived quickly. After evaluating multiple options, Brian told us that we needed a sump pump and drain tile installed to permanently fix this problem. He initially scheduled us for the next Monday, but after understanding our urgency, he bumped us up to the next day. The workers arrived when he said they would, and the work was completed the same day in the afternoon. Thank you to Brian and his company for being so accommodating, being there when we needed him, and completing the work promptly.

*~update~*
After some heavy rains, we noticed that we were still getting some seepage in our "waterproofed" basement. After contacting Brian (for our lifetime warranty or whatever), he said he would come out. He then proceeded to cancel/make an excuse the next 3-4 appointments. Then he just stopped responding to emails/calls. We're very disappointed because we really liked Brian. Now we have to open the walls to see where the seepage is coming in and call someone else to seal them."
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+13

Recommended by90%of homeowners
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