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TRUSTED BY NAPERVILLE, IL HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon436
    Verified insulation services reviews

Top-Rated Insulation pros in Naperville - 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 Naperville, 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 time11 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for K & Y Insulation
K & Y Insulation
4.9(
58
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Naperville, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Carlos and Arturo did an amazing jog with my attic insulation and basement walls insulation. The price was the most competitive, Carlos was the most experienced, honest and know from all the companies quoted the job. I would definitely recommend"
Insulation Projects
Insulation Projects
Insulation Projects
Insulation Projects
Insulation Projects

+82

Response time1 day
Response rate95%
80 neighbors recently requested a quote
Avatar for ARC Insulation, Inc.
ARC Insulation, Inc.
4.7(
49
)
Spray Foam Insulation - InstallBlown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving Naperville, IL and surrounding areas

Approved

In business since 1993

Free estimates

Warranties offered

"Jim Clay gave the most comprehensive quote for our insulation project. He suggested a couple of options which thought would help regulate the temperature in our home. He explained everything that ARC insulators would be doing to our home. He told us about rebates that would be credited to our bill because of a blower door pressure test and gas appliance combustion test. He presented a well-written quote. The technician for the tests and the technicians who did the insulation work showed up on time. They explained everything they were doing thoroughly. When the work was done, we did a thorough walk-thru before the techs left. We are satisfied with the work performed. We are satisfied with the money we paid. We would recommend ARC Insulation to anyone seeking recommendations."
My Work.
Our Work
Our Work
Our Work
Our Work

+8

Response time2 days
40 neighbors recently requested a quote
Recommended by100%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 Naperville, 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
4 neighbors recently requested a quote
Recommended by99%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 Naperville, IL and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"We recently had blown in insulation installed in our home and couldn’t be happier with the experience from start to finish. The team was kind, professional and incredibly prompt. They showed up on time explained the process clearly and treated our home with respect. What really stood out was the pricing after receiving a much higher quote from another company their estimate was very fair and transparent with no pressure or upselling. It was clear they care about doing honest work at a reasonable price. The installation was completed efficiently, and the whole process was smooth and stress-free. I would definitely recommend them to anyone looking for insulation work great service, great value and great people."
Response time8 hrs
Response rate100%
7 neighbors recently requested a quote
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Showing 1-10 of 165
Insulation FAQs, answered by experts

After insulation service projects in Naperville, inspect air sealing around windows and doors, and ensure attic and crawl space ventilation is adequate. Monitor your energy usage to track improvements. Schedule an HVAC system check to confirm proper airflow. Over the first year, periodically check for settling or moisture, and plan for a professional energy audit every few years to maintain peak performance.

Helpful?

Completing insulation service projects in Naperville delivers immediate benefits like reduced drafts, fewer cold spots, and more consistent indoor temperatures—even during the city’s humid summers and cold winters. Over time, you’ll notice lower utility bills, less strain on your HVAC system, and improved moisture control. Quality insulation also increases property value and supports Naperville’s energy efficiency and sustainability goals.

Helpful?

The success of insulation service projects in Naperville depends on selecting the right R-value for the local climate, thorough air sealing, and proper moisture management. Professional installation using materials designed for Naperville’s weather is crucial. Regular inspections for settling or moisture, consistent HVAC maintenance, and periodic air sealing help ensure your insulation continues to perform well year after year.

Helpful?

In Naperville, schedule insulation service projects promptly if you notice high energy bills, frequent ice dams, or persistent drafts—especially after harsh winters. If you see uneven room temperatures or visible mold, act quickly. For minor issues or if you’re planning renovations, you can wait, but consider local weather patterns and aim for spring or fall when conditions are ideal for installation.

Helpful?

Before starting insulation service projects in Naperville, arrange a professional energy audit to identify problem areas and confirm recommended R-values for the local climate. Check if your neighborhood requires HOA approval and apply for available utility rebates early. Clear access to attics and basements, protect valuables, and compare several contractor quotes to ensure materials and methods are suited to Naperville’s weather.

Helpful?

The Naperville, IL homeowners’ guide to insulation services

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