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TRUSTED BY MIDDLETON, ID HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon143
    Verified insulation services reviews

Top-Rated Insulation pros in Middleton - Updated Nov 2026

Avatar for Idaho Insulation, LLC
Idaho Insulation, LLC
4.7(
77
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Middleton, ID and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: Quality work

"Idaho Insulation did a great job on our garage for a very fair price. They showed up on time, did excellent work and cleaned up after themselves. You couldn’t ask for better!"
Response time1 day
11 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Insulation Commandos of Boise
Insulation Commandos of Boise
5.0(
7
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Middleton, ID and surrounding areas

Approved

Free estimates

Small jobs welcome

Credit card accepted

"We recently had insulation work done by commandos Insulation and the entire experience was excellent from start to finish. The team was professional, punctual, and very knowledgeable. They explained the process clearly, completed the job efficiently, and left everything clean afterward. Their attention to detail and customer service really stood out. I would highly recommend them to anyone looking for quality insulation work at a fair price!"
31 neighbors recently requested a quote
Avatar for L2 Insulation, Inc.
L2 Insulation, Inc.
4.5(
16
)
Spray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade+1 more

Serving Middleton, ID and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"I appreciated how thorough L2 was during the estimate visit, explaining options and how they could work for my house. I had L2 remove old blown-in in the attic and old batt in the crawl space, and then add baffles and blow in new insulation in the attic, and vapor barrier and spray foam in the crawl space. This took three days. The teams worked hard, protected my house carefully, and cleaned up every day before they left. They did a really excellent job. My only caveat is that L2 could be a bit more proactive about communicating scheduling. But they got right back to me when I asked."
Airplane Hangar
Airplane Hangar
Truck Repair Shop
Truck Repair Shop
Conditioned Attic

+1

Response time2 days
1 neighbors recently requested a quote
Recommended by100%of homeowners
Energy Allies, LLC
4.9(
88
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Middleton, ID and surrounding areas

In business since 2015

Free estimates

Credit card accepted

"This Company Rocks, they in detail explained everything to me so I knew what to expect the day of Install, gave wonderful information on how to make my own decision on the choices of insulation with no pushing onto something I did not think I might choose, thorough in cleaning up the sight and showing me the before and after photos they took, I will recommend them to everyone I know."
Blow in insulation
Blow in insulation
Air sealing an attic
Air sealing an attic
Duct sealing

+3

Response time5 hrs
Response rate87%
Recommended by98%of homeowners
Showing 1-10 of 30
Insulation FAQs, answered by experts

At a minimum, blown-in insulation lasts 20 to 30 years. Cellulose and sheep’s wool come from natural materials, so they likely max out at around 30 years. Fiberglass and rockwool feature artificial materials that boast lengthy lifespans, up to 50 years, or even longer in some cases. As always, this timeline assumes you don’t run into any issues, such as flooding or mold, that shorten the lifespan.

When looking for a company who installs insulation, your best bet is usually to work with an insulation contractor or professional insulation company. If you can't find a local insulation company, working with a general contractor can be another option. No matter who you hire, always confirm that they have experience.

Mineral wool wraps are the most affordable and effective insulation for crawl space ducts. They are easy to cut, last for a long time, and healthier for humans. Meanwhile, fiberglass wraps are cheaper but more hazardous and difficult to handle. If you do choose to use a fiberglass wrap, make sure you are wearing long sleeves and wear proper protective gear.

R-value stands for resistance value and is a number assigned to insulation that states how good the insulation is at heat transference (insulation). The R-value of injection foam is around 4 which homeowners will be happy to know is actually quite good. Another benefit of injection foam versus fiberglass foam is that the colder it gets, the more injection foam retains its resistance properties, whereas fiberglass tends to lose its efficiency in colder temperatures.

Air sealing isn't necessary for attic insulation, but it's incredibly helpful since it can help you identify and patch any existing air leaks. Failing to find these leaks before adding insulation can render your insulation less effective, leading to higher energy bills and potentially costly repairs down the line.

The Middleton, ID homeowners’ guide to insulation services

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