4.8 
24 *The Angi rating for Insulation Service companies in Dearborn, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
*The HomeAdvisor rating for Insulation Service companies in Dearborn, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
Last update on May 08, 2026
Serving Dearborn, MO and surrounding areas
Approved
In business since 2004
Free estimates
Warranties offered
"Alex and Kristoff did a great job. They called letting us know they would be at our house within 20-30 minutes and were punctual. They were very friendly, professional, and informative. We would recommend them to anyone needing insulation."
+2
Serving Dearborn, MO and surrounding areas
Approved
In business since 2010
Free estimates
Warranties offered
"Shawn provided lots of information during the visit for an estimate. The day of work they arrived on time and were diligent about accomplishing adding insulation to my attic. Their clean up was thorough. They were courteous and pleasant."
+11
Serving Dearborn, MO and surrounding areas
Approved
In business since 2013
Free estimates
Warranties offered
"Re-insulated the entire house after a fire. They did an absolutely fantastic job! Excellent communication, pricing, professionalism, and promptness. You want to hire Insulation Pros if you want the best job possible."
+17
Serving Dearborn, MO and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Did a great job with installing insulation. Very professional, nice, and efficient."
+6
Serving Dearborn, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Credit card accepted
"Very friendly and professional service. Explains and shows you what his inspection on your insulation and needs are and listens to you and answers your questions. Very reasonably priced with no pressures like other companies. I am going to have them do the insulation in my walls next year. In my opinion A+ service"
Serving Dearborn, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2011
Free estimates
Warranties offered
"Stu was great and easy to work with. They did a great job with my new ceiling fan and insulation!"
+12
Serving Dearborn, MO and surrounding areas
Approved
In business since 2025
Free estimates
Small jobs welcome
"My experience with Victory Insulation went extremely well. They installed blown fiberglass insulation in my attic. The installation crew was very helpful and easy to work with. Since the install, my family has already noticed our hvac running a lot less within the last few months. I highly recommend working with Victory."
+5
Serving Dearborn, MO and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
"John is very professional and self motivated. He shows up when he says he is gonna and does a very fine job of air sealing and insulating. Goes over and above. Highly recommend."
+66
Serving Dearborn, MO and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
Good Attic is a trusted attic insulation and home comfort company serving homeowners throughout St. Charles and the greater St. Louis area. We specialize in blown-in insulation upgrades, air sealing, attic cleanouts, and ventilation improvements that solve hot/cold rooms, drafts, high energy bills, and poor airflow. Our team provides honest pricing, same-week appointments, and detailed before-and-after photos so you always know exactly what you’re getting. If you want a cleaner, more comfortable, and more energy-efficient home, Good Attic delivers results you can feel immediately.
Serving Dearborn, MO and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"I had this insulation installed august 2013. i have a large house (5 kids). It has averaged 35% savings. In my case this was many thousands.Wish i would have done this a long time ago. Staff was very proffesional and knowlageable. Dr. Rustici"
From average costs to expert advice, get all the answers you need to get your job done.
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