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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon134
    Verified insulation services reviews

Top-Rated Insulation pros in Montgomery - Updated Nov 2026

Avatar for Weather Shield Insulators
Weather Shield Insulators
5.0(
27
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Montgomery, IL and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"We badly needed insulation in our attic. We got three quotes. Weather Shield was not only the most reasonable, but the only company in which the owner both gave us the quote and installed the insulation with colleague. We could not have asked for more professionalism or better service. Would highly recommend Gus."
Additional Photos
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Additional Photos

+14

Response time11 hrs
2 neighbors recently requested a quote
Recommended by100%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 Montgomery, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1993

Free estimates

Warranties offered

"Arc was great from the start. We were given a complimentary consultation by Steve Garrett, who gave us a detailed explanation on the issues we may have with our attic insulation and why our energy bills may be so high. We chose to have our attic insulated and our ducts sealed. Our ducts saw a 93.5% improvement, and we immediately noticed the difference in the temperature of our second floor. Even during this prolonged heat wave, we have been able to keep our temperatures much lower than before. The attic insulation has also decreased the temperatures of the upstairs. It has been a remarkable difference. We are fully expecting our house to be more comfortable in the winter as well. Steve is honest and reliable and we would not hesitate to recommend Arc to anyone who needs insulation and duct work."
Air Duct Cleaning Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+30

3 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Attic Pro
Attic Pro
5.0(
44
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Montgomery, IL and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"I had a great experience with Attic Pro. From start to finish, their team was professional, knowledgeable, and respectful of my home. They did an excellent job removing the old attic insulation and replacing it with high-quality insulation products designed to improve energy efficiency. The crew worked efficiently, kept everything clean, and took the time to explain what they were doing and why it would make a difference. You can tell they take pride in their work and care about doing the job right. I’m very happy with the quality of the work and the overall experience. If you’re looking to replace old attic insulation, improve your home’s energy efficiency, and have the job done by a professional company, I would definitely recommend Attic Pro!"
Response time8 hrs
Response rate100%
7 neighbors recently requested a quote
Foy's Final Touch, Inc.
4.9(
312
)
Blown-In Insulation - Install or Upgrade

Serving Montgomery, IL and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quality work

"Neil and his team did a great job installing new attic insulation in my home. They did a thorough job of removing all the old insulation, repairing the bathroom fan vents, fixing the soffit vents and spraying all new insulation throughout the attic. I highly recommend Neil and team. They were professional, courteous and I am highly recommend them."
Attic
Attic
Attic
Recommended by98%of homeowners
Avatar for Arcos Environmental Services, Inc.
Arcos Environmental Services, Inc.
4.4(
16
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Montgomery, IL and surrounding areas

Approved

In business since 2002

Free estimates

Credit card accepted

For the last 15 years, Arcos Environmental Services, Inc. has been serving as a general contractor for government weatherization programs. As we have continued to grow, we have created the subsidiary Arcos Pro Services to serve as our residential division of insulation installation using the same professional and detailed work. We are committed to giving homeowners a peace of mind in regards to their home's energy efficiency. \n \nArcos is also a Nicor Gas Contractor Circle member meaning finished upgrades to your home may qualify you for up to $1,250 in rebates as well as tax incentives. Check out our website for more information! \n \n

Air Sealing
R49 Blown In Insulation
Before work
pre insulation levels
In the procees to allow attic walkway

+3

Response time1 day
98 neighbors recently requested a quote
Recommended by76%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 Montgomery, 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 Montgomery, 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

17 neighbors recently requested a quote
Recommended by75%of homeowners
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Insulation FAQs, answered by experts

On it own, aluminum siding has a relatively low insulation value (also called R-value); aluminum siding has an R-value of 0.61. However, you can purchase insulated aluminum siding to increase the R-value to between 2 and 5. You can also install additional insulation within your walls to help maintain temperatures within your home. On average, insulation costs $1,825 to install throughout the typical home.

Yes, cladding can help insulate your home by adding an additional layer to the exterior walls, which can minimize heat loss and enhance energy efficiency. However, it's essential to select cladding materials that include insulation for optimal results, as cladding without built-in insulation won't make nearly as much of a difference.

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.

It is possible to insulate your walls without removing drywall, but it’s not a good idea to attempt the work yourself. A professional can use blown-in insulation or spray foam insulation to fill wall voids without opening up the walls, and the option they use typically depends on your climate and whether or not there’s insulation in your wall already that can remain in place. Spray foam insulation costs more and isn’t always a viable option, but it’s a better insulator. Call in an expert to help decide which is right for you.

Canned spray foam has an R-value of R-3.7 per inch. However, it’s not great for use as insulation. Also known as single-component spray foam, it doesn’t expand as much as two-part types that work for insulating the whole house. Save the canned foam for gaps around doors and windows.

The Montgomery, IL homeowners’ guide to insulation services

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