Top-rated insulation pros.

Get matched with top insulation pros in Longmont, CO

Enter your zip and get matched with up to 5 pros

Need a pro for your insulation service project in Longmont, CO?

Select your specific project to find the pro for you.

TRUSTED BY LONGMONT, CO HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon198
    Verified insulation services reviews

Find Insulation pros in Longmont

A Quality Insulation Company
5.0(
14
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Longmont, CO and surrounding areas

Approved

In business since 2001

Free estimates

Customers say: Quick response

"Dave offered fair pricing, arrived on time, did a fantastic job, and my one request was to be careful of the ceilings because they have irreplaceable texturing no one knows how do do anymore. He excelled at caring for my property, and the results have been astonishing, my AC runs less than 50% of the time it used to, and doesn't kick on until mid-afternoon even on 90 plus degree days. Adding insulation by Dave was one of the best decisions we've ever made!"
Residential
Residential
Residential
Residential
Response time8 hrs
Recommended by100%of homeowners
Avatar for RL Insulation
RL Insulation
5.0(
9
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallInjection Insulation - Install+1 more

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Offers commercial services

"RL Insulation LLC has been an incredible partner on several commercial projects for my company. Their team is reliable, efficient, and consistently delivers high-quality work. They complete projects quickly without sacrificing attention to detail, and their professionalism makes them a pleasure to work with. If you're looking for an insulation company that gets the job done right the first time, I highly recommend RL Insulation LLC!"
Recent Projects
Recent Projects
Recent Projects
Recent Projects
Recent Projects

+2

Response time1 day
22 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Trust Us Insulation
Trust Us Insulation
5.0(
20
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Offers commercial services

"Gio did a great job insulating pipes in our basement that kept freezing when the temperature drops below freezing. He did a great job completing the job and cleaning up the mess afterwards. I would definitely recommend Gio on all insulating work."
Exterior top plate
Re-insulating attic
Re-insulating attic
Re-insulating attic
Exterior top plates

+10

Response time12 hrs
29 neighbors recently requested a quote
Recommended by38%of homeowners
Avatar for DINO Insulation, LLC.
DINO Insulation, LLC.
5.0(
15
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving Longmont, CO and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

"Alvin is a very good worker and takes pride in his work. The spray foam work is amazing and I definitely recommend it. I had insulation done as well and had no complaints. Everything from business to work is great with DINO insulation."
Attic
Attic
attic
Spray foam
Spray foam

+15

Response time1 day
7 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Empower Insulation, LLC
Empower Insulation, LLC
5.0(
11
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Longmont, 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!"
Custom Home New Build
Custom Home
Custom Home
Insulation Attic
Insulation Removal

+11

Response time1 day
1 neighbors recently requested a quote
...
Showing 1-10 of 134
Insulation questions, answered by experts

Yes, spray foam insulation can be applied to your ductwork and effectively insulate your ducts. Blanket insulation is the easiest insulation product to DIY since it is easy to wrap around ducts. However, spray foam insulation can also benefit your HVAC system if applied to air ducts.

Minimal, mainly occasional checks for damage or mold in extreme conditions.

Three signs that you need crawl space insulation are drafts, high energy bills, and mold. Drafts can start in crawl spaces and cause hot or cold air to spread to the rest of your home through holes in the floors and walls. And even if your entire home is well-insulated, you can still feel an unchecked draft from your crawl space and in your utility bill. Uninsulated crawl spaces can let in air and moisture, and because they’re built directly on the ground and difficult to dry out, they are hotspots for mold and mildew.

Yes, crawl space insulation is worth it if installed correctly. Installing insulation in your crawl space will improve the air quality, help stabilize your home's temperature, lower your energy bills, and prevent pests from entering your home. Though you’ll pay more to install insulation initially, the savings you get from installing insulation can help offset those initial costs over time.

Pipes in your house can freeze after six hours or so if you lose power and temperatures are below freezing. You can prepare for potential power outages by winterizing your pipes with insulation. Also, whenever temperatures drop below 20 degrees Fahrenheit, turn your faucets on very low and leave them dripping until temperatures rise.

The Longmont, CO homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.