4.9 
11 *The Angi rating for Insulation Service companies in Granby, 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 Granby, 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 December 17, 2024
Serving Granby, CO and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
+2
Serving Granby, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Warranties offered
"Powerhouse home performance came out to my house to install an active mitigation system. They were polite and professional. I would definitely use them again."
+1
Serving Granby, CO and surrounding areas
Approved
In business since 2019
Free estimates
Customers say: Quick response
"They were great. We will use them again."
Serving Granby, CO and surrounding areas
In business since 2006
Free estimates
Emergency services offered
"Excellent. The JE Mountain team was professional, timely, and did great work on the timeline they promised. Then cleaned up after themselves. They did both spray and batt insulation for me and I recommend them without reservation. They’ll definitely be my first call for my next project."
+10
Serving Granby, CO and surrounding areas
In business since 2003
Free estimates
"I had used Community Insulation to add insulation to the attic and was so pleased with their professional service that I requested them to add insulation to the crawl space. I have recommended them several times."
+8
Serving Granby, CO and surrounding areas
In business since 2017
Free estimates
Credit card accepted
"They did a great job with our insulation project. They were easy to deal with and very professional during the planning stage. They arrived on time and completed the project within the timeline we had agreed upon."
+3
Serving Granby, CO and surrounding areas
In business since 2024
Free estimates
Credit card accepted
"juan was very good at his job I highly reccomend jc insulation . my project looked great !"
Serving Granby, CO and surrounding areas
In business since 2015
Free estimates
Credit card accepted
"very prompt and attentive to our needs"
+6
Serving Granby, CO and surrounding areas
In business since 2005
Free estimates
"They communicated well and got the job done on time."
+9
Serving Granby, CO and surrounding areas
In business since 2025
Free estimates
Warranties offered
At PowerHouse Home Performance, our mission is simple:\nto help Colorado & Wyoming families live in homes that are safe, comfortable, and efficient — without compromise.\n\nWe combine science-backed testing, expert craftsmanship, and honest communication to deliver solutions that last.\n\nWhether you need to lower your energy bills, address radon, fix uneven temperatures for that cold room above the garage, or improve indoor air quality, our team brings the same commitment to integrity, precision, and care.\n\nWhen you choose PowerHouse, you’re choosing a partner who looks at the whole picture — not just one piece of it.
+4
From average costs to expert advice, get all the answers you need to get your job done.
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