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TRUSTED BY HARRIMAN, TN HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon70
    Verified insulation services reviews

Top-Rated Insulation pros in Harriman - Updated Nov 2026

Avatar for USA Insulation of Knoxville
USA Insulation of Knoxville
4.9(
38
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Harriman, TN and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"The company rep came out as scheduled and conducted a thorough and professional estimate for the added insulation. Then the installers came out and again did an outstanding job adding insulation to our attic. They worked well as a team and did an excellent job."
Trucks
35 Years
35 Years
The Start
Blown In Insulation

+41

Response time1 day
Response rate92%
48 neighbors recently requested a quote
Avatar for Insulation Commandos
Insulation Commandos
5.0(
15
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Harriman, TN and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Matthew did a thorough quote at my house shortly before Thanksgiving. Matthew was very professional, on-time and friendly. The technology was impressive as you could see the ?cold spots? around my attic space. I plan to execute the job after the holidays. I highly recommend Matthew and Insulation Commandos if you need any insulation related work."
Project Photos
Project Photos
Project Photos
Response time12 hrs
Response rate100%
46 neighbors recently requested a quote
Avatar for RetroFoam of East Tennessee
RetroFoam of East Tennessee
5.0(
11
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallInjection Insulation - Install

Serving Harriman, TN and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"Eddie fully explained the benefit of the planned level of insulation for our attic, uses quality Owen's Corning fiberglass blown in insulation and recommended adding an roof vent attic fan to remove heat/moisture in the summer and moisture in the winter. Currently, we have passive eve vents and roof ridge vent. Cooling inside of the roof with air flow should help extend the life of the shingles by removing stagnant hot air. We chose an electric roof vent fan rather than solar because of the # of cloudy days in our area and humidity. Everything was done quickly on scheduled time, all contacts were professional, kept our home as clean as possible and swept up loose insulation. Pricing was very competitive plus we qualified for TVA energy rebate."
Open cell spray foam
Open cell sprayfoam on attic wall
Open Cell spray foam on flat roof deck
Open cell spray foam on roof deck
Open cell on roof deck

+9

Response time8 hrs
Response rate95%
24 neighbors recently requested a quote
Avatar for On The Spot
On The Spot
5.0(
14
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Harriman, TN and surrounding areas

In business since 2021

Free estimates

Credit card accepted

"James and his crew did a phenomenal job with the insulation job! His communication was great. Very honest and upfront about what can and can’t be done. No trying to finesse an upsale or anything like that. I'm very glad we went with James and I'd highly recommend him to anyone looking."
Crawlspace
Crawlspace
Crawlspace
Crawlspace
Crawlspace

+3

Response time8 hrs
Response rate100%
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Insulation FAQs, answered by experts

Insulating your home's exterior walls can realize up to a 20% reduction in your monthly energy bills. This means that regardless of how much the project costs, it can begin to pay you back immediately. Additionally, adding spray foam and other high-end materials can increase the selling value of the property.

Regular inspections for moisture damage, pest infestations, and proper R-value performance help maintain efficiency.

Yes. Proper, complete insulation will ensure that you trap the most cool or warm air inside your home, preventing high energy bills. In addition, insulation tends to settle and compress, leaving gaps over time; the more you insulate completely during the initial installation, the less you’ll need to do down the line.

Don’t install insulation near water heaters, oil burners, or any other object that gets hot. Many insulation materials are fire-resistant, but not entirely fire-proof, so you should take precautions to keep hot things away from fiberglass. This is also why it is imperative to box off lighting fixtures and breaker boxes.

Insulating an unheated garage can still be worth it. For instance, insulating an attached garage can help with heat loss from your house in general, and it can also make it easier to store electronics in your garage without worrying about them being exposed to extreme temperatures.

If you use your detached garage as a workspace, insulation can still make a difference. Plus, you can use space heaters and a window unit AC to help condition the space while you work without installing heating.

The Harriman, TN homeowners’ guide to insulation services

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