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Find Insulation pros in Glenwood

Avatar for Attic Pro
Attic Pro
5.0(
28
)

Serving Glenwood, IL and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Attic Pro Insulation did an outstanding job! They contacted me 10 minutes after I entered my search information.They were professional, on time, and explained everything clearly. Highly recommend them for anyone needing quality insulation work!"
Response time8 hrs
Response rate91%
21 neighbors recently requested a quote
Avatar for NM Enterprise's Energy Solutions
NM Enterprise's Energy Solutions
4.9(
51
)

Serving Glenwood, IL and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Nick and his crew were so informative and pleasant to do business with. We had attics insulated, new vents installed, and outside blown-in cellulose, and they worked long hours to make sure everything was done correctly. I would definitely recommend this business. A great surprise was how the insulation muffled loud outside noises (fireworks and loud vehicles)."
Response time8 hrs
Response rate98%
9 neighbors recently requested a quote
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,516
)

Serving Glenwood, 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"
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

Response time1 day
Response rate94%
49 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.7(
263
)

Serving Glenwood, IL and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"This company cares. They put people above profit. I was in a bad situation, after a nasty winter my roof seemed to be disintegrating before my eyes. It went really fast. Then Daryl stepped up to help me out of a difficult situation. Within hours they expedited the crew, and Walter and Lauren ordered materials and made my roof a priority. Now with three days of rain coming I know my house is protected and it looks gorgeous."
Recommended by87%of homeowners
Hawx Insulation- Chicago
4.1(
361
)

Serving Glenwood, 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

Recommended by75%of homeowners
Avatar for Arcos Environmental Services, Inc.
Arcos Environmental Services, Inc.
4.3(
12
)

Serving Glenwood, 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
97 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Trela Roofing and Remodeling
Trela Roofing and Remodeling
4.6(
1,237
)

Serving Glenwood, IL and surrounding areas

Approved

In business since 1952

Free estimates

Warranties offered

"It went very well. They inspected the attic told me there was no mold told me the insulation along the sides was fine air vents for not being blocked they also told me that my attic fan was broken not working and should be replaced."
Additional Photos
Additional Photos
Additional Photos
Response time2 days
25 neighbors recently requested a quote
Recommended by94%of homeowners
Midtown Home Improvements, Inc. (Chicago)*
4.2(
1,623
)

Serving Glenwood, IL and surrounding areas

Approved

In business since 1992

Free estimates

Credit card accepted

"The crew show up early to the job, worked very efficiently, obviously knew how to install their insulation very well! They were very courteous to me as a customer. The issues were that they did not clean up all of their mess ( which blown in insulation would have gone even further if I wouldn't have closed some doors that they left open to carpeted areas. They only swept up the wooden floor and did nothing to pick up where the insulation had blown onto the carpet."
Recommended by93%of homeowners
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FAQs for insulation service projects in Glenwood, IL

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The Glenwood, 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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