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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon244
    Verified insulation services reviews

Top-Rated Insulation pros in Park City - Updated Nov 2026

Avatar for Paragon Insulation
Paragon Insulation
4.8(
64
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Park City, IL and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"My attic was poorly ventilated — damp, musty, and overdue for attention. After deciding to bring in a professional, Randy came out to my home, thoroughly assessed the problem areas, and put together a detailed quote on the spot. The scope of work included removal of the existing insulation, air sealing around all attic entry points, sanitizing, air baffle installation, and installation of new Weather Blanket cellulose insulation. The new cellulose achieves an R-value that meets or exceeds Illinois code requirements. I couldn't be happier with the results. I've already noticed a meaningful improvement in temperature consistency and overall comfort throughout my home. If you're looking for a trustworthy, professional insulation contractor, I wouldn't hesitate to recommend Paragon Insulation & Services."
Additional Photos
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+24

Response time4 days
Response rate100%
5 neighbors recently requested a quote
Avatar for Mendieta Insulation, LLC
Mendieta Insulation, LLC
4.7(
106
)
Spray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Park City, IL and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Daniel went above and beyond, not only removing the old insulation and replacing with new, but fixing other issues he found in the attic. I felt that I had hired the absolute best person to do this job. He and his brother are great workers, did a fantastic job, and cleaned up afterwards."
2 story house
2 story house
2 story house
2 story house
2 story house

+7

4 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for ARC INSULATION
ARC INSULATION
4.6(
96
)
Spray Foam Insulation - InstallBlown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving Park City, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1993

Free estimates

Warranties offered

"Our 1926 home had an uninsulated crawl space that made our hardwood floors freezing and overworked our furnace. We got five estimates, and David with Arc Insulation stood out?he arrived on time, used a temperature gun to show where we were losing heat, and brought insulation samples to show what they would use for our job. Their estimate was very detailed and reasonable. Luis and Juan came out and completed the job in just a few hours and were professional throughout. We?re happy with the results and would highly recommend Arc Insulation!"
Air Duct Cleaning Project
Additional Photos
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Additional Photos
Additional Photos

+30

3 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Attic Air
Attic Air
4.9(
257
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Park City, IL and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"It went really well. Robert Carroll really knows his stuff. Hire this guy. I say that without reservation of any kind. Don't look any further, believe me, I did. This is the smartest guy. He is honest, dependable, offers fair pricing, and his team can do all the work. I got several estimates from A+ rated insulation companies, but Robert was more knowledgeable than the other companies. He was the only one to point out that my soffits were not vented. Apparently, my house was built on the day no one was inspecting. The builder never cut open the soffits. That meant there was zero airflow going through my attic. The attic fan could run all day, but without air to move, it would not do any good. Only Robert noticed this and offered a solution to fix the problem! I asked some of the other A+ companies if they would vent the soffits and they all said they don't do that work, but they would be happy to add more insulation, which would not fix the problem if the attic was not vented."
Response time2 days
3 neighbors recently requested a quote
Recommended by99%of homeowners
Avatar for Daniel Nagel
Daniel Nagel
4.6(
42
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Park City, IL and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"We reached out to Dan with the issue of freezing pipes and cold rooms in our old house. Dan inspected the house and proposed a plan to remedy these issues. Aside from the more traditional air sealing and insulation solutions, Dan also recommended insulating the area of our house above our soffit, which was difficult to access but that appeared to be a major insulation issue. I should add the other firms we requested quotes for did not identify this area in their proposal. I firmly believe the proposals from the other firms would not have fixed our issues. Dan worked for ~2 weeks on air sealing our attic and house, adding insulation to our attic, removing our soffit and adding insulation and reinstalling soffit. Work was done well and within budget and at a fair price. Dan is very easy to work with and takes pride in his work. We are very happy to report our pipes have not frozen and the cold rooms are no longer cold - would highly recommend Dan to others - he went above and beyond."
Response time1 day
Recommended by100%of homeowners
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.7(
265
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Park City, 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"
Windows
Windows
Windows
Windows
Windows

+58

Recommended by87%of homeowners
Avatar for Hawx Insulation- Chicago
Hawx Insulation- Chicago
4.1(
361
)
Blown-In Insulation - Install or Upgrade

Serving Park City, IL and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

At Hawx Pest Control, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. Hawx Premium Pest Control will treat your pests, mosquitos, and more- then keep them away for good. If pests come back between treatments so will we, at no additional cost to you. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. \n

7 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,540
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving Park City, 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 Home Genius Exteriors
Home Genius Exteriors
4.7(
272
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Park City, IL and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Devan, Lauren and Brendan were my main points of contact with Home Genius Exteriors and they showed professionalism and personality throughout the whole process. Both Brendan and Devan spent time taking to me, even after our business was concluded, this was an exceptional experience and I highly recommend Home Genius Exteriors and all their employees."
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing
Asphalt Roofing

+55

3163 neighbors recently requested a quote
Recommended by85%of homeowners
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Showing 1-10 of 128
Insulation FAQs, answered by experts

For standard 2x4 walls, the ideal insulation has an R-value between R-13 and R-15. This level of insulation, typically around 3.5 inches thick, fits well within the wall cavity. Common options include fiberglass batts and spray foam. The best choice for your home can depend on your climate; use R-value maps, like those from Energy Star, to determine the recommended level for your region. For colder climates, you might also consider adding exterior insulation for greater efficiency. Always check with your local building codes to ensure you meet any required standards.

The level of insulation is determined by both the material and the thickness of the door. Some garage door materials (such as wood) have natural insulating capabilities, while other materials (such as metal) do not. No matter the material, two-layer and three-layer garage doors have a higher R-value than single-layer garage doors, as insulation is fitted between the panels. 

A vapor barrier keeps moisture out of the crawl space, while insulation reduces the amount of unconditioned air—and sometimes moisture—that enters the space. Coupling a vapor barrier with insulation can help prevent humidity and related moisture damage in a crawl space while also making your home more energy-efficient. Just be sure to use insulation that won’t get damaged from moisture, like rigid foam board or expanding spray foam insulation.

The primary purpose of insulation is to maintain comfortable temperatures in a home, whether that’s cool air when it’s hot out, or warm air in winter, but that’s not all it can do. All options will also minimize heating and cooling needs, lowering both your carbon footprint and energy bills in turn. And some options, like rigid foam boards, even offer soundproofing benefits, too.

Installing new insulation in a home is worthwhile if your existing insulation is old and has lost some of its insulative capability or if you don’t have insulation installed already. Installing new insulation will boost your home’s energy efficiency, which can reduce your heating and cooling bills and save money on HVAC repair and maintenance in the long run. New insulation also keeps your living space more comfortable, so you and your family will benefit from the work as well. Finally, installing new insulation boosts your home value, making it especially worthwhile if you plan to sell.

The Park City, IL homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.