4.6 
293 *The Angi rating for Insulation Service companies in Castle Rock, CO 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 Castle Rock, CO 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 April 08, 2025
Serving Castle Rock, CO and surrounding areas
Approved
In business since 1993
Free estimates
Credit card accepted
"Minimal clean up do after the job was done. Denver Insulation is using the very top grade foam glass insulation to perform the work"
+10
Serving Castle Rock, CO and surrounding areas
Approved
In business since 1972
Free estimates
Emergency services offered
"the insulation worked! summer heat marked different from our last summers!"
+11
Serving Castle Rock, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Small jobs welcome
"Empower Insulation did a fantastic job installing insulation at my house. They were professional, efficient, and made sure everything was done right. I really appreciated their attention to detail and how clean they left the space afterward. Highly recommend them if you’re looking for quality insulation work!"
+11
Serving Castle Rock, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"Insulation station did a tremendous job putting insulation in my attic it has made a tremendous improvement in keeping my home warm money well spent"
+20
Serving Castle Rock, CO and surrounding areas
Approved
In business since 2018
Free estimates
Customers say: True professional
"It was great. They really enjoyed the job. Communication with Felipe was great."
Serving Castle Rock, CO and surrounding areas
Approved
In business since 2023
Free estimates
Warranties offered
"We were very impressed with Insulation Nation’s professionalism, promptness, cleanliness and the incredible results we have experienced from the job they did in our attic. They made the process very easy at a reasonable price and we would strongly recommend them!"
+1
Serving Castle Rock, CO and surrounding areas
Approved
In business since 2022
Free estimates
Warranties offered
"Very professional. On time and called ahead and they were very knowledgeable. Uriel Domingues did the work and was very respectful. I recommend Koala and Uriel anytime. I had them remove my insulation from my attic and now Iâ ll definitely have them install the new insulation when Iâ m done with my kitchen remodel."
+3
Serving Castle Rock, CO and surrounding areas
Approved
In business since 2017
Free estimates
Customers say: Terrific value
"Great communication and value. Would definitely hire again!"
+4
Serving Castle Rock, CO and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"They cleaned up pretty well, but there was a little we had to clean up as well. We liked their professionalism and the way in which they answered all our questions before they commenced work."
Serving Castle Rock, CO and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
We at AtticWise, take pride in our reliability, integrity and the quality of our work. We specialize in comprehensive home insulation needs offering the products and services of AtticShield? - an industry leader in reflective insulation - and Johns Manville? - provider of the utmost quality blown-in insulation. We make it a point to provide the highest level of customer service with both residential and commercial clients and apply the same attention to detail regardless of project size or complexity. We look forward to earning your business!
+3
From average costs to expert advice, get all the answers you need to get your job done.
Insulating your attic can improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you in Denver, CO.
New insulation makes your home more comfortable and boosts energy efficiency. Use this guide to budget for insulation installation costs in Denver, CO.
The cost of blown-in insulation in Denver, CO varies depending on the type of insulation, labor, prep work, and more. Learn more about the cost factors in this guide.
What is insulation? This behind-the-scenes home fixture will maintain comfortable temperatures in your home no matter the season. It’ll lower energy bills, to boot.
Use this DIY checklist for insulation repair to make your living space more comfortable and reduce your heating and cooling bills in the process.
There are 10 types of insulation you can use for your home. Read this guide to discover which insulation types could be best for the job.
