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Find Insulation pros in Genoa

Avatar for Weather Shield Insulators
Weather Shield Insulators
5.0(
27
)

Serving Genoa, 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
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+14

Response time2 hrs
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Peak Performance Insulation LLC
Peak Performance Insulation LLC
5.0(
11
)

Serving Genoa, IL and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"Great company to work with. Consultation and estimate process was thorough and transparent. Work was excellent and exceeded expectations. Would definitely recommend them to anyone looking for insulation work."
Blown in Attic Insulation
Attic Insulation
Attic Insulation
Attic Insulation
Attic Insulation

+5

Response time6 hrs
Response rate96%
18 neighbors recently requested a quote
Avatar for Daniel Nagel
Daniel Nagel
4.6(
42
)

Serving Genoa, IL and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"Dan did a great job insulating my attic. He did exactly what he said he would do, on time and at the quoted cost. He was very thorough in his work, applied foam sealant, installed baffles, installed bathroom vent access thru roof and installed blow in insulation. Nice guy as well. I'd hire him again."
Response time1 day
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,511
)

Serving Genoa, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"George came out promptly and did a thorough inspection of the crawlspace and provided options on what can be done. The insulation work was performed by Jesus who also found and fixed two foundation cracks. Encapsulation was done by Juan's team and they all did a great job. They were able to perform all the work with a very narrow opening into the crawlspace and were also able to fit in the dehumidifier. After installation there was a minor issue with the dehumidifier and Craig came right away to fix it. Great experience and I'd definitely use their services in the future if need be."
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

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

Serving Genoa, 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"
Recommended by87%of homeowners
Avatar for USA Insulation South Elgin
USA Insulation South Elgin
4.4(
25
)

Serving Genoa, IL and surrounding areas

In business since 2019

Free estimates

Credit card accepted

"There was 3 people working on the insulating job, they were very professional and worked together very good. They done a very good job cleaning up after the job was finished."
New Construction Injection Foam Install
Removing Siding for Injection Foam Install
Exterior Install of USA Premium Injection Foam
Drilling Holes for Exterior Install of USA Foam
Siding Removal for Exterior Injection Foam Install

+2

Response time11 hrs
Recommended by86%of homeowners
Saunders Insulation Specialist
4.6(
14
)

Serving Genoa, IL and surrounding areas

In business since 1995

Free estimates

"Knowledgeable, polite, professional, easy to work with Shane is polite, efficient, and knowledgeable about the different types of insulation products, and their applications. Steven and Shane, a father and son team, provided an accurate estimate of cost and installation time. They explained the variety of options available for our applications, with pros and cons for each choice (including the cost and installation time.)"
Recommended by100%of homeowners
Showing 1-10 of 44

FAQs for insulation service projects in Genoa, 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 Genoa, 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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