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TRUSTED BY RANTOUL, IL HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon19
    Verified insulation services reviews

Verified Reviews for Insulation Service pros in Rantoul, IL

*The Angi rating for Insulation Service companies in Rantoul, 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 Rantoul, 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 August 12, 2026

Find Insulation pros in Rantoul

Avatar for Horn Insultation
Horn Insultation
4.7(
72
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving Rantoul, IL and surrounding areas

Approved

In business since 1992

Free estimates

Credit card accepted

"Horn Insulation did a tremendous job insulating our house. The quality of their work was great and they were a pleasure to work with. I highly recommend them!"
25 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for Slagel Insulation, Inc.
Slagel Insulation, Inc.
4.9(
8
)
Spray Foam Insulation - InstallInjection Insulation - Install

Serving Rantoul, IL and surrounding areas

Approved

In business since 1975

Free estimates

Offers commercial services

"Slagel insulation provided the work that was asked of them. I would hire them back."
Pole barn
Pole barn
Pole barn
Pole barn
Before

+13

Response time1 day
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Assured Insulation Decatur, LLC
5.0(
1
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving Rantoul, IL and surrounding areas

Approved

In business since 2014

Free estimates

Customers say: Quick response

We are a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 10 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Response time1 day
Response rate92%
Recommended by100%of homeowners
Request Quote
Avatar for Horn Spray Foam & Insulation
Horn Spray Foam & Insulation
4.7(
70
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving Rantoul, IL and surrounding areas

In business since 1993

Free estimates

"Very courteous and they clean up afterwards. They give you a lot of insulation for your money. Theyâ re hard workers."
Response time4 days
Recommended by93%of homeowners
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Avatar for Honegger Insulation
Honegger Insulation
4.5(
42
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Rantoul, 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
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Payless Insulation
4.6(
13
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving Rantoul, IL and surrounding areas

In business since 2015

Free estimates

"Jeremy was quick to come to my house to get me a quote and came on a weekend. He was very thorough and gave advice on how to get my insulation needs done. When I scheduled him to come and do the work on my crawl space and partial basement he came on time and done a amazing job and was quick and thorough. I will recommend him to all my family and friends. Will use his services again for sure. I am also going to get him to come fill my walls of my house."
Response time1 day
Recommended by100%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Rantoul, IL and surrounding areas

In business since 1971

Credit card accepted

"Roberto was the technician and he was very professional, polite, and personable. He inspected the rest of our system and told us things that needed to be changed or repaired. He showed me pictures of everything. Everything he told me about was accurate. He quoted me a price for R38 insulation , Some of our ducts were plastic and he recommended them to be changed. I agreed completely and didn't know they were plastic. I would have had them done the work but I had no price comparisons to make and besides I didn't have the money right then. So he just finished the vent cleaning and left his card. He did a great job on the vent cleaning and was happy with the work."
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Additional Photos

+2

Recommended by65%of homeowners
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Showing 1-10 of 21
Insulation questions, answered by experts

The average U.S. homeowner pays $1,850 to insulate their home. However, the cost of insulation depends on the type, the size of your home, and who does the installation work. 

The cost of foam board insulation depends on whether it's made from expanded polystyrene (EPS) or extruded polystyrene (XPS). EPS has the lower price point, usually costing between $0.25 and $0.50 per board foot, while XPS costs between $0.40 and $0.50 per board foot.

Three signs that you need crawl space insulation are drafts, high energy bills, and mold. Drafts can start in crawl spaces and cause hot or cold air to spread to the rest of your home through holes in the floors and walls. And even if your entire home is well-insulated, you can still feel an unchecked draft from your crawl space and in your utility bill. Uninsulated crawl spaces can let in air and moisture, and because they’re built directly on the ground and difficult to dry out, they are hotspots for mold and mildew.

Hanging a thick blanket over your windows will help to keep the heat inside, but only a little. Covering the glass will also prevent the sunlight from getting in, which might actually decrease the efficiency of your window overall. If you get to the point where you’re hanging blankets over your window to keep warm, call in an expert to seal around your windows to prevent warm air from escaping. They may also recommend replacing old windows that aren’t as insulative as newer window technology. Sealing a window isn’t terribly expensive and can make a big difference.

Yes, insulating your cold water pipes is a great way to prevent condensation. When warm, humid air meets cold pipes, condensation forms, which can drip and cause moisture issues in your home. Pipe insulation acts as a barrier between the warm air and the cold pipes, keeping condensation at bay and helping you avoid potential problems like mold or structural damage.

Yes, brick houses are better insulated, because the bricks slow down the passage of air from the outside to the inside and vice-versa. This helps to stabilize the internal temperature of the home. When combined with proper residential insulation, brick houses are more efficient and better insulated than other types.

The Rantoul, IL homeowners’ guide to insulation services

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

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