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# Best Insulation in Knoxville, TN - KnoxvilleTopRated.com

[KnoxvilleTopRated.com](/)

Proudly serving **West Knoxville, Farragut, Bearden, Hardin Valley, Maryville, Oak Ridge** and the greater Knoxville area. **Made for The Volunteer State.**

[KnoxvilleTopRated](/) / Insulation

# Best insulation companies in Knoxville, TN

Verified Knoxville insulation companies for attic insulation, spray foam, and energy assessments - serving West Knoxville, Farragut, Bearden, Hardin Valley, Maryville, Oak Ridge and beyond.

Rankings updated October 2026 from Google ratings and review volume - not paid placement

Maya, the Top Rated AI concierge

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## Have Maya call you.

Pick your trade and Maya texts you from (813) 454-0813. Reply YES and the call comes in about a minute: you play the customer and hear how an AI answers the front desk for a Knoxville business like yours. It is a demo, and it also covers After Hours AI, the service behind these agents.

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[or text her at (813) 454-0813](sms:+18134540813)

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## How to pick an insulation company in Knoxville

The right insulation contractor measures your current R-value, quotes the actual improvement, and is honest about payback. In Florida, attic insulation is one of the highest-return AC upgrades.

Knoxville has been growing faster in percentage terms than Nashville, and the Smokies weather it sits under is hard on roofs, decks, and crawlspaces. When you compare insulation companies in Knoxville, ask every one of them the same three questions: are you licensed and insured for this exact work, who is actually showing up (your crew or a sub), and what does the warranty cover in writing.

Searching for insulation companies near me in Knoxville? Everyone ranked below serves Knoxville and the surrounding neighborhoods, including West Knoxville, Farragut, Bearden, Hardin Valley, Maryville, Oak Ridge. Check the address and service area on a listing before you call, because the closest one is not always the one a search engine puts first.

How we rank these Knoxville businesses

Today this order comes from public Google ratings and review volume, and nothing else.

- **A quality floor.** At least a 4.0 rating and 15 or more reviews to be listed at all.

- **Confidence, not just stars.** A thin rating gets pulled toward the typical rating for its own category, in proportion to how few reviews back it up; a well-reviewed rating is trusted almost entirely as is. A 4.9 from 7 reviews is a weaker claim than a 4.5 from 890, and the order says so.

- **Recent counts for more.** A five star review from four years ago is not evidence about the crew working today.

- **One customer, one voice,** and a burst of reviews in a single day counts for less than the same reviews earned over a month.

- **Local means local.** A business has to actually serve Knoxville to be listed here. We measure the distance from the business to the city and drop the ones that are really in another market, which is why you will not see a clinic an hour away sitting above the one down the road.

- **The ranked order is not for sale.** No business can pay to move up in the numbered list. Every position in it is earned on public ratings and review volume and nothing else.

- **Featured is a labelled spotlight, not a rank.** The starred card above the rankings is reserved for businesses that have recently joined Top Rated. A new client can be excellent and still have a short review history, and the numbers alone would bury them for months, so the spotlight gives them visibility while that history builds. It carries no position number, it never moves anyone in the numbered list below it, and it is clearly marked every time it appears. We also rotate it: promotions and seasonal events cycle different clients through the slot, so it is a turn in the spotlight rather than a permanent purchase.

**What is changing.** We are adding a second signal: reviews left here by customers whose job we can actually trace. It is built and published below so you can see it before it counts, and it is not part of the order yet. A review will count more when we can prove the job happened, not because it was left on our site.

How much each kind of review counts

- 1.6x**Verified job**

A Top Rated review from a customer whose job we can trace: we brokered the lead, the work was booked, and the review came after the job.

- 1.2x**Verified account**

A Top Rated review from a real, signed-in account that we cannot tie to a specific job.

- 1x**Google**

A public Google review. This is the baseline and it is not discounted.

- 0x**Unverified**

Anything we cannot stand behind. Shown if we show it, counts for nothing.

Still curious? [The full methodology](/methodology/) and [the FAQ](/faq/).

## The full Knoxville ranking

Show independents only

Top Independent

[Forever Guard Crawl Space Encapsulation and Repair of Knoxville](/biz/forever-guard-crawl-space-encapsulation-and-repair-of-knoxville/)

★★★★★ 5 · 114 Google reviews · Independent · Locally Owned

Same ranking, same score -- this is the highest-ranked independent, shown as a separate lens on the list below, not a different order.

1

[Koala Insulation of Greater Knoxville](/biz/koala-insulation-of-greater-knoxville/)

★★★★★ 5 · 404 Google reviews · 211 Sherway Rd A

[View profile](/biz/koala-insulation-of-greater-knoxville/) [Call](tel:+18654179005) [Website](https://www.koalainsulation.com/greater-knoxville?utm_source=topratedcities&utm_medium=referral)

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2

[Forever Guard Crawl Space Encapsulation and Repair of Knoxville Independent · Locally Owned](/biz/forever-guard-crawl-space-encapsulation-and-repair-of-knoxville/)

★★★★★ 5 · 114 Google reviews · 2726 W Gallaher Ferry Rd

[View profile](/biz/forever-guard-crawl-space-encapsulation-and-repair-of-knoxville/) [Call](tel:+18652344709) [Website](https://www.foreverguardwaterproofing.com/?utm_source=topratedcities&utm_medium=referral)

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3

[Volunteer Insulation LLC Independent · Locally Owned](/biz/volunteer-insulation-llc/)

★★★★★ 5 · 73 Google reviews · 1823 Westside Park Dr

[View profile](/biz/volunteer-insulation-llc/) [Call](tel:+18656069063) [Website](https://volunteerinsulationllc.my.canva.site/volunteer-insulation-llc?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

4

[Alpha](/biz/alpha/)

★★★★★ 5 · 38 Google reviews · 1203 Karnes Ave

[View profile](/biz/alpha/) [Call](tel:+18657371885) [Website](https://insulationknoxville.com/?utm_source=topratedcities&utm_medium=referral)

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5

[Service Experts Knoxville](/biz/service-experts-knoxville/)

★★★★½ 4.9 · 2317 Google reviews · 627 American Glass Way Ste AB

[View profile](/biz/service-experts-knoxville/) [Call](tel:+18655036775) [Website](https://www.serviceexperts.com/knoxville-tn/?utm_source=topratedcities&utm_medium=referral)

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6

[AFS Foundation & Waterproofing Specialists Knoxville](/biz/afs-foundation-waterproofing-specialists-knoxville/)

★★★★½ 4.9 · 1069 Google reviews · 3028 E Governor John Sevier Hwy

[View profile](/biz/afs-foundation-waterproofing-specialists-knoxville/) [Call](tel:+18652901305) [Website](https://www.afsrepair.com/about/meet-the-team/knoxville-branch/?utm_source=topratedcities&utm_medium=referral)

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7

[Master Foundation and Crawl Space Repair Independent · Locally Owned](/biz/master-foundation-and-crawl-space-repair/)

★★★★½ 4.9 · 947 Google reviews · 6226 Clinton Hwy

[View profile](/biz/master-foundation-and-crawl-space-repair/) [Call](tel:+18652776058) [Website](https://www.masterservicestn.com/?utm_source=topratedcities&utm_medium=referral)

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8

[Crawl Space Ninja](/biz/crawl-space-ninja/)

★★★★½ 4.9 · 616 Google reviews · 6011 Ridan Dr

[View profile](/biz/crawl-space-ninja/) [Call](tel:+18654173953) [Website](https://crawlspaceninja.com/locations/knoxville-tn/?utm_source=topratedcities&utm_medium=referral)

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9

[Home Comfort Solutions Independent · Locally Owned](/biz/home-comfort-solutions/)

★★★★½ 4.9 · 428 Google reviews · 10337 Yellow Pine Ln

[View profile](/biz/home-comfort-solutions/) [Call](tel:+18659663000) [Website](https://www.homecomfortsolutionstn.com/?utm_source=topratedcities&utm_medium=referral)

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10

[Litespeed Construction - Knoxville Roofing Contractor Independent · Locally Owned](/biz/litespeed-construction-knoxville-roofing-contractor/)

★★★★½ 4.9 · 348 Google reviews · 1532 Washington Ave

[View profile](/biz/litespeed-construction-knoxville-roofing-contractor/) [Call](tel:+18652973286) [Website](https://litespeedconstruction.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

11

[One Way Air](/biz/one-way-air/)

★★★★★ 5 · 30 Google reviews · 123 Center Park Dr

[View profile](/biz/one-way-air/) [Call](tel:+18652032302) [Website](https://onewayairtn.com/?utm_source=topratedcities&utm_medium=referral)

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12

[Superior Spray Foam Systems Independent · Locally Owned](/biz/superior-spray-foam-systems/)

★★★★½ 4.9 · 99 Google reviews · 1522 Huxley St

[View profile](/biz/superior-spray-foam-systems/) [Call](tel:+18652689675) [Website](https://www.superiorsprayfoamsystems.com/?utm_source=topratedcities&utm_medium=referral)

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13

[NexGen Insulation Independent · Locally Owned](/biz/nexgen-insulation/)

★★★★½ 4.9 · 33 Google reviews · 1350 Phillips Rd

[View profile](/biz/nexgen-insulation/) [Call](tel:+18654460771) [Website](http://nexgentn.com/?utm_source=topratedcities&utm_medium=referral)

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14

[Caliber Insulation Services Independent · Locally Owned](/biz/caliber-insulation-services/)

★★★★½ 4.9 · 18 Google reviews · 2833 John Deere Dr

[View profile](/biz/caliber-insulation-services/) [Call](tel:+18652170243) [Website](https://insulationknoxvilletn.net/?utm_source=topratedcities&utm_medium=referral)

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15

[Accu-Coat Spray Foam Insulation Independent · Locally Owned](/biz/accu-coat-spray-foam-insulation/)

★★★★½ 4.8 · 315 Google reviews · 5165 US-411

[View profile](/biz/accu-coat-spray-foam-insulation/) [Call](tel:+18655679813) [Website](https://www.accucoatinsulation.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

16

[58 Foundations & Waterproofing](/biz/58-foundations-waterproofing/)

★★★★½ 4.8 · 698 Google reviews · 205 W Oklahoma Ave

[View profile](/biz/58-foundations-waterproofing/) [Call](tel:+18654320039) [Website](https://58foundations.com/service-areas/knoxville-tennessee/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

17

[Mr. Handyman of West Knoxville](/biz/mr-handyman-of-west-knoxville/)

★★★★½ 4.8 · 979 Google reviews · 8081 Kingston Pike Suite 101

[View profile](/biz/mr-handyman-of-west-knoxville/) [Call](tel:+18654090822) [Website](https://www.mrhandyman.com/west-knoxville/?cid=LSTL_MHM000197&utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

18

[RetroFoam of East Tennessee Independent · Locally Owned](/biz/retrofoam-of-east-tennessee/)

★★★★½ 4.8 · 104 Google reviews · 207 Center Park Dr #2040

[View profile](/biz/retrofoam-of-east-tennessee/) [Call](tel:+18652522006) [Website](https://www.retrofoamofeasttn.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

19

[USA Insulation of Knoxville](/biz/usa-insulation-of-knoxville/)

★★★★½ 4.8 · 83 Google reviews · 3222 NW Park Dr

[View profile](/biz/usa-insulation-of-knoxville/) [Call](tel:+18652633373) [Website](https://usainsulation.net/knoxville?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

20

[Ridgeline insulation Independent · Locally Owned](/biz/ridgeline-insulation/)

★★★★½ 4.8 · 23 Google reviews · 3100 Roberts Rd

[View profile](/biz/ridgeline-insulation/) [Call](tel:+18653089088) [Website](https://insulationknoxvilletn.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

21

[Blass Construction Company Independent · Locally Owned](/biz/blass-construction-company/)

★★★★½ 4.7 · 62 Google reviews · 318 Nancy Lynn Ln Ste 9

[View profile](/biz/blass-construction-company/) [Call](tel:+18653883600) [Website](http://www.blassconstruction.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

22

[Crawlspace Medic of Knoxville](/biz/crawlspace-medic-of-knoxville/)

★★★★½ 4.7 · 117 Google reviews · 7152 Small Creek Way

[View profile](/biz/crawlspace-medic-of-knoxville/) [Call](tel:+18654128161) [Website](https://crawlspacemedic.com/locations/knoxville-tn/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

23

[American Home Independent · Locally Owned](/biz/american-home/)

★★★★½ 4.7 · 1089 Google reviews · 11028 Terrapin Station Ln

[View profile](/biz/american-home/) [Call](tel:+18658003982) [Website](https://youramericanhome.net/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

24

[L&W Supply - Knoxville, TN Independent · Locally Owned](/biz/l-w-supply-knoxville-tn/)

★★★★½ 4.5 · 26 Google reviews · 2646 Byington Solway Rd

[View profile](/biz/l-w-supply-knoxville-tn/) [Call](tel:+18656914152) [Website](https://lwsupply.com/locations/lw-supply-knoxville-tn/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

25

[Southern Industries Home Improvements](/biz/southern-industries-home-improvements/)

★★★★½ 4.6 · 476 Google reviews · 5560 Washington Pike

[View profile](/biz/southern-industries-home-improvements/) [Call](tel:+18653179797) [Website](https://southernindustries.com/knoxville-tn/?leadsource=knx&utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

26

[Rocky Top Materials Independent · Locally Owned](/biz/rocky-top-materials/)

★★★★ 4.4 · 37 Google reviews · 2707 John Deere Dr

[View profile](/biz/rocky-top-materials/) [Call](tel:+18655220060) [Website](https://rockytopmat.com/s/content/knoxville-tn-yard?trk=org_gmb&utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

27

[ACC Construction, LLC Independent · Locally Owned](/biz/acc-construction-llc/)

★★★★ 4.3 · 50 Google reviews · 717 S Peters Rd

[View profile](/biz/acc-construction-llc/) [Call](tel:+18655663131) [Website](http://www.everythingacc.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

28

[IDI: Insulation Distributors Inc.](/biz/idi-insulation-distributors-inc/)

★★★★ 4 · 29 Google reviews · 2567 Prime Way #102

[View profile](/biz/idi-insulation-distributors-inc/) [Call](tel:+18658955320) [Website](https://www.idi-insulation.com/location/knoxville-tn/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

Ratings and review counts sourced from Google. Businesses shown are the highest-rated in Knoxville; owners can claim and verify their listing free.

## Insulation in Knoxville: common questions

### Who are the best insulation companies in Knoxville?

Based on Google ratings and review volume as of October 2026, the top rated insulation companies in Knoxville are Koala Insulation of Greater Knoxville, Forever Guard Crawl Space Encapsulation and Repair of Knoxville, Volunteer Insulation LLC. See the live ranked list, ratings, and contact details on this page.

### How do I find insulation companies near me in Knoxville?

Every company ranked on this page serves Knoxville and the surrounding area, including West Knoxville, Farragut, Bearden, Hardin Valley, Maryville, Oak Ridge. Open any listing for its address, phone number and service area, then call the two or three closest to you. Distance is worth checking yourself: the nearest insulation company is not automatically the best one, so this page ranks on rating and review volume first and leaves proximity to you.

### How do I choose an insulation company in Knoxville?

The right insulation contractor measures your current R-value, quotes the actual improvement, and is honest about payback. In Florida, attic insulation is one of the highest-return AC upgrades.

## Are you a top-rated Knoxville pro?

Listings and claims are free. Early claimants receive Premium at no charge, a $297 value, after confirmation. No purchase is required.

[Claim your free listing](#)

Prefer to talk? Call or text the Top Rated directory on [(813) 454-0813](tel:+18134540813). This is our number, not the number of any business listed here.

Related in Knoxville: [Drywall](/drywall/) · [Wildlife & Animal Removal](/wildlife-removal/) · [Window Cleaning](/window-cleaning/) · [Decks & Patios](/decks/)