Get matched with top insulation pros in Agency, MO

"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."

"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."

"Extremely satisfied! We needed attic insulation. Very happy with the inspection, bid and the Very prompt result. These guys are wonderful! Courteous, respectful and explained the whole process in detail! Would highly recommend ?!"

"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"

"A sole proprietor business, Green Star provided a very competitive itemized written bid. Stuart was very accommodating in considering old (>100 years) home challenges and discussing insulation options and solutions. Promptly arrived on scheduled date, his team was diligent in adding blow in insulation to attic and exterior wall space, as well as foam to basement sill plates, all in one day. Very friendly, knowledgable, professional and unobtrusive in providing their services."

"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."

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.

"They were very professional and they took the time to explain what they did. They took before and after pictures. They also cleaned the area where the insulation landed in my garage afterwards. I would highly recommend them"

"Sky insulation did an absolutely phenomenal job. I have never come across a contractor as knowledgeable as Ken is. We are using him for all of our projects going forward no matter how big or small. Five stars all the way!"

"I can’t say enough good things about this insulation service! From start to finish, the experience was absolutely top-notch. The team was punctual, professional, and incredibly knowledgeable. Mauricio took the time to explain all my options and helped me choose the best solution for my home. Mauricio also worked around my schedule going above and beyond with communication ensuring I was confident in my home improvement solution. The installation itself was seamless—efficient, clean, and with great attention to detail. I was impressed by how respectful they were of my space, leaving everything spotless once the job was done. If you’re considering upgrading your insulation, don’t hesitate—C4 Insulation is reliable, trustworthy, and truly cares about delivering quality results. I highly recommend them to anyone looking to improve their home’s comfort and efficiency!"