How much do attic insulation contractors typically cost?
- Longmont, Colorado Average$1,329
- Typical Range$837 - $1,671
- Low End - High End$600 - $3,000

Trust Us Insulation LLC
"For our garage, excellence at all points: installing insulation, paneling & painting, cost considerations and communication."
F894A71146C937D67698BEBFF27E4047E9555D9B1A70B6811229BD179F170D15 0. in November 2025

Solar Attic Fans, Attic Insulation, Air Sealing , and 2 more
"From the moment Jim came into our home and made his presentation and thoroughly went through our home, needs and his Thermal Home Insulation product and Eshield advantages, we knew we had the right company. We had 3 other companies come through and ran through our home as fast as they arrived and even missed attic spaced and all of the other 3 companies that came through missed an entire section of our attic, we would never have known about if it wasn't for Jim and his technician who showed me otherwise. They were honest, had a great presentation, solid references, product partners, newspaper articles and, testimonials supporting everything they had planned to do and they lived up to it all. Our attic dropped over 45F the minute the finished, and we went from basically an R10 to an R69 rating when they were done. We had also had them seal all of our recessed lighting and other areas it required. They were great communicators, honest, professional, fairly priced and their team of technicians were all great young men. We are very happy and would highly recommend you hire them more than any other insulation company in Colorado. Thank you - J&L"
6E49A2098D78ABE695537E7E7728363325CBBCCECE6DCA878CAB563E4D04ECE9 1. in September 2023
Batt, Rolled Insulation - Install or Upgrade, Vinyl Backed Fiberglass Insulation for foundation walls, Blown-In Insulation - Install, Upgrade or Removal , and 2 more
"seamless delivery very clean with no residual mess great job!!"
Jill M. in September 2020

Insulation
"Roberto was awesome to work with! His team did great work and blew in extra insulation, installed baffles, and insulated our basement concrete wall as well. He was knowledgeable and came in at a much lower price than the other person that bid us. (Like seriously 5x cheaper than other services recommended which were probably overkill for what our needs were)."
Diana J. in December 2024
Blown-In Insulation - Install or Upgrade, Soundproofing
"David does a fabulous job! The project was for a difficult, 100 year old attic. He did a full re-installation and total cleaning. Overall a wonderful turnout!"
Margaret N. in September 2019

Insulation Commercial & Residential, Batts, Spray Foam (Closed Cell) , and 1 more
"Jose was extremely nice and out out quality work quick and hassle free for a good price! Would recommend him and his team to anyone"
Jacob P. in August 2022

Spray Foam Insulation - Install, Batt, Rolled or Reflective Insulation - Install or Upgrade, Blown-In Insulation - Install or Upgrade , and 3 more
"I'm a little late in writing a review, but we hired Juan in March of 2016 and could not be happier with our attic insulation. We've seen a significant improvement and the heating savings has more than paid for the cost of this project. I will recommend if any friends are in need!"
Stacey C. in October 2017

Spray Foam Insulation - Install
"I chose Precision Spray Foam because they offered a combination of open and closed cell products, consistent with my research. Showed up on time and was respectful of our home. Results were excellent."
Bob P. in December 2018
Longmont Insulation Contractors are rated 0.0 out of 5 based on 0 reviews of 0 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
If you're looking for Attic Insulation Install Contractors that serve a different city in Colorado, here are some popular suggestions:
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