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Top-Rated Insulation pros in Carrollton - Updated Nov 2026

Avatar for Good Attic, LLC
Good Attic, LLC
5.0(
5
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Carrollton, IL and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

Good Attic of Saint Louis removes old, dirty or pest-contaminated attic insulation and replaces it with fresh blown-in insulation to R-49 or R-60. Jobs can include air sealing, sanitizing after rodents, squirrels or raccoons, and attic ventilation fixes. We also top off attics that are simply under-insulated. We serve St. Louis and St. Charles counties, including St. Charles, St. Peters, O'Fallon, Chesterfield, Ballwin and Kirkwood. Free attic inspection with photos and a written scope, and same-week appointments.

Response time2 days
Response rate100%
85 neighbors recently requested a quote
Avatar for The Attic Yettis
The Attic Yettis
5.0(
7
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Carrollton, IL and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

"I hired the attic yetis to replace insulation in my attic and I was more than happy with the outcome. The service was quick and efficient and just a few days in I am already noticing a major difference. If you need any attic insulation or pest prevention I highly recommend the attic yetis"
Full attic remediation
Full attic remediation
Full attic remediation
Full attic remediation
Full attic remediation

+37

31 neighbors recently requested a quote
Avatar for Crawlspace / Basement Waterproofing Solution
Crawlspace / Basement Waterproofing Solution
4.4(
256
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Carrollton, IL and surrounding areas

In business since 1998

Free estimates

Credit card accepted

"Contacted a few different companies and had two come out to inspect a large crack in the foundation. First company came out and indicated that the foundation had failed and needed piers put in to stablize the foundation. Crawlspace Solutions came in and indicated that they felt there was nothing failing with the foundation and that they could inject the cracks and warranty the work regardless of if there was a larger issue that required piers. Scott was the person that estimated and completed the work. He was extremely responsive and did a very good job of injecting the cracks. When Scott came to quote the work he also offered a price to apply spray foam to the walls and the sill to replace the fiberglass insulation that the previous owner of the house had on the crawlspace walls. Price included in review was to inject 2 cracks and apply the spray foam. Really glad we had the foam insulation put in. Way cleaner, durable and sealed up some areas that the other insulation could not take care of. Scott also spent extra time explaining some other areas to keep an eye out on to help ensure the foundation area is well managed from any further potential issues like down spout discharge locations, hose connections and just general drainage of the property. One of the concerns we had was if we spend all this money on the injection and the foundation ends up needing to have piers put in, how would that impact the warranty. Scott assured us that if any additional settling occurs and the repair fails, they would come back and repair the injected cracks after the foundation was stable."
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+13

Recommended by90%of homeowners
Avatar for Local Air Duct Pros
Local Air Duct Pros
4.5(
15
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Carrollton, IL and surrounding areas

In business since 2025

Free estimates

Credit card accepted

"Thank you for your trust! At Local Air Duct Pros we specialize in professional air duct cleaning, dryer vent cleaning, chimney sweep, and attic insulation. Our licensed and insured team is committed to providing top-quality service at fair prices. We appreciate your support and look forward to serving you again!"
Response time7 hrs
Response rate99%
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Carrollton, 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."
Additional Photos
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+2

Recommended by65%of homeowners
Avatar for Good Attic
Good Attic
4.5(
1
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Carrollton, IL and surrounding areas

In business since 2021

Free estimates

Credit card accepted

"Patrick contacted me within 30 minutes of posting I wanted estimates to install blown in insulation in my attic. He was able to meet my timeline with me leaving town. The people who installed the insulation were professional and cleaned up after they completed the job. Thank you Patrick and I will call again if I need anything!"
Response time1 day
Recommended by100%of homeowners
Avatar for Green Earth Enterprises Inc
Green Earth Enterprises Inc
4.7(
7
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Carrollton, IL and surrounding areas

In business since 2009

Free estimates

Emergency services offered

We’re here to change your perceptions of what it means to be a property owner in today’s fast paced marketplace. Whether you are a landowner with rental property, or if you would like to “flip” a property you've just purchased or maybe you're a Realty Management Company seeking to prepare your managed property for the market or simply the next tenant. We're here to help you meet your needs in an affordable & efficient manner. We offer a wide array of services to choose from in whole or in part, as it fits your needs & budget. We look forward to doing business with you! Additional Emails - [email protected], [email protected], [email protected]. Additional Address - Princeton, IL 61356.

Recommended by71%of homeowners
Avatar for American Custom Homes
American Custom Homes
5.0(
3
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Carrollton, IL and surrounding areas

In business since 2000

Emergency services offered

Credit card accepted

Welcome!\n \nAt American Custom Homes, our goal is not only help you design and build your dream bathroom, kitchen, basement or even add you a new room addition, but also making the process easy and enjoyable for you. We are a full-service design/build company with a wide range of experience. We can help you with all phases of a new bathroom or kitchen or basement or even complete remodeling. Build in steam showers, custom tile design, custom paints, and custom floors and so on... \nOur excellent reputation and long list of satisfied clients attest to our superior craftsmanship, attention to detail, clear communication, honesty and integrity. Just ask for our client reference list.\n \nLet's discuss your ideas! Your free consultation is just a phone call away.

Stone Travertine
12x6 Travertine hand cut
Complete Steamer
Recommended by100%of homeowners
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Insulation FAQs, answered by experts

Mold can grow on garage ceiling insulation, which is why it’s important to install a vapor barrier behind the insulation and keep the space cooled and heated as you would your living area. Doing so will more or less eliminate the risk of mold growing on your garage ceiling insulation. You can also install a self-draining dehumidifier to help remove moisture, or opt for a foam board insulation or spray foam insulation that won’t harbor moisture and mold.

Garden blankets and frost cloths are the best things to use to protect trees and plants from frost. They are made from polypropylene fabric, which is lightweight, breathable, and dries fast. If you can’t get garden blankets or frost cloths before the freeze, you should use lightweight blankets, sheets, or towels.

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.

Insulation provides additional protection for your tankless water heater. Even if the unit is installed inside the house, it’s still a good idea to wrap the unit up with insulation batts, especially if you live in cold climates. For outdoor units, you can build an insulated box around the tankless water heater for freeze protection.

One of the disadvantages of soffit vents is they can bleed warm air from the attic during winter, resulting in slightly higher energy bills and a colder house. There are ways to mitigate this effect—mostly just closing the vent in the fall. What’s most important is your attic is ventilated to some degree in the winter.

The Carrollton, IL homeowners’ guide to insulation services

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