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# Best Insulation in Durham, NC - DurhamTopRated.com

[DurhamTopRated.com](/)

Proudly serving **Southpoint, Hope Valley, Brier Creek, Chapel Hill, Morrisville, Hillsborough** and the greater Durham area. **Made for The Tar Heel State.**

[DurhamTopRated](/) / Insulation

# Best insulation companies in Durham, NC

Verified Durham insulation companies for attic insulation, spray foam, and energy assessments - serving Southpoint, Hope Valley, Brier Creek, Chapel Hill, Morrisville, Hillsborough 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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[or text her at (813) 454-0813](sms:+18134540813)

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## How to pick an insulation company in Durham

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.

The other anchor of the Triangle, where mill-era bungalows sit next to new build and both keep the same crews busy. When you compare insulation companies in Durham, 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 Durham? Everyone ranked below serves Durham and the surrounding neighborhoods, including Southpoint, Hope Valley, Brier Creek, Chapel Hill, Morrisville, Hillsborough. 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 Durham 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 Durham 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 Durham ranking

Show independents only

Top Independent

[Mold Free NC](/biz/mold-free-nc/)

★★★★★ 5 · 135 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

[Crawlspace Medic of Raleigh](/biz/crawlspace-medic-of-raleigh/)

★★★★★ 5 · 462 Google reviews · 521 Uwharrie Ct Ste D

[View profile](/biz/crawlspace-medic-of-raleigh/) [Call](tel:+19843607104) [Website](https://crawlspacemedic.com/locations/raleigh-nc/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

2

[Mold Free NC Independent · Locally Owned](/biz/mold-free-nc/)

★★★★★ 5 · 135 Google reviews · 3201 Yorktown Ave Ste 217

[View profile](/biz/mold-free-nc/) [Call](tel:+19199718463) [Website](https://www.moldfreenc.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

3

[Crawlspaces & Beyond LLC Independent · Locally Owned](/biz/crawlspaces-beyond-llc/)

★★★★★ 5 · 102 Google reviews · 7129 Roberts Rd

[View profile](/biz/crawlspaces-beyond-llc/) [Call](tel:+19197173410) [Website](https://crawlspacesandbeyond.net/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

4

[Alternative Aire Inc Independent · Locally Owned](/biz/alternative-aire-inc/)

★★★★½ 4.9 · 1017 Google reviews · 3156 Hillsborough Rd

[View profile](/biz/alternative-aire-inc/) [Call](tel:+19194049040) [Website](https://alternativeaire.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

5

[USA Insulation Raleigh-Durham Independent · Locally Owned](/biz/usa-insulation-raleigh-durham/)

★★★★½ 4.9 · 324 Google reviews · 135 W Vance St

[View profile](/biz/usa-insulation-raleigh-durham/) [Call](tel:+19195007898) [Website](https://usainsulation.net/raleigh-durham?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

6

[Ace Handyman Services Durham Chapel Hill](/biz/ace-handyman-services-durham-chapel-hill/)

★★★★½ 4.9 · 323 Google reviews · 2530 Meridian Pkwy Ste 300 - #9001

[View profile](/biz/ace-handyman-services-durham-chapel-hill/) [Call](tel:+19843128672) [Website](https://www.acehandymanservices.com/offices/durham-chapel-hill?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

7

[Triangle Crawl Space Solutions Independent · Locally Owned](/biz/triangle-crawl-space-solutions/)

★★★★½ 4.9 · 268 Google reviews · 412 Buttonwood Dr #210

[View profile](/biz/triangle-crawl-space-solutions/) [Call](tel:+19193910427) [Website](https://trianglecrawlspacesolutions.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

8

[Cusuco Crawlspace Independent · Locally Owned](/biz/cusuco-crawlspace/)

★★★★★ 5 · 30 Google reviews · 1010 Bacon St

[View profile](/biz/cusuco-crawlspace/) [Call](tel:+19195193677) [Website](https://www.cusucocrawlspace.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

9

[Stetten Home Services Independent · Locally Owned](/biz/stetten-home-services/)

★★★★½ 4.9 · 103 Google reviews · 3434 Edwards Mill Rd #112-193

[View profile](/biz/stetten-home-services/) [Call](tel:+19194132326) [Website](https://energyhandyman.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

10

[Crawlspace Doctor Independent · Locally Owned](/biz/crawlspace-doctor/)

★★★★★ 5 · 22 Google reviews · 32 Arrowwood Ct

[View profile](/biz/crawlspace-doctor/) [Call](tel:+19194544508) [Website](https://crawlspacedoctor.com/location/durham-nc/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

11

[Insulation Commandos of Raleigh-Durham Independent · Locally Owned](/biz/insulation-commandos-of-raleigh-durham/)

★★★★½ 4.9 · 74 Google reviews · 201 E Academy St #102

[View profile](/biz/insulation-commandos-of-raleigh-durham/) [Call](tel:+19847778401) [Website](https://insulationcommandos.com/raleigh-durham/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

12

[A2Z Contractors Independent · Locally Owned](/biz/a2z-contractors/)

★★★★★ 5 · 16 Google reviews · 1114 Junction Rd

[View profile](/biz/a2z-contractors/) [Call](tel:+19192018973) [Website](https://a2zcontractorsroofing.lovable.app/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

13

[Foundation Building Materials](/biz/foundation-building-materials/)

★★★★½ 4.9 · 18 Google reviews · 4015 S Alston Ave

[View profile](/biz/foundation-building-materials/) [Call](tel:+19195722915) [Website](https://myfbm.com/locations/fbm-durham-315?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

14

[Green Horizon One Hour Heating & Air Conditioning](/biz/green-horizon-one-hour-heating-air-conditioning/)

★★★★½ 4.8 · 936 Google reviews · 4628 Industry Ln Ste C

[View profile](/biz/green-horizon-one-hour-heating-air-conditioning/) [Call](tel:+19193219985) [Website](http://greenhorizon.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

15

[Triangle Reconstruction Independent · Locally Owned](/biz/triangle-reconstruction/)

★★★★½ 4.8 · 201 Google reviews · 101 Woodwinds Industrial Ct Ste f

[View profile](/biz/triangle-reconstruction/) [Call](tel:+19192136956) [Website](https://www.trianglecrawlspaces.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

16

[Live Green Inc. Independent · Locally Owned](/biz/live-green-inc/)

★★★★½ 4.8 · 107 Google reviews · 5001 Old Poole Rd

[View profile](/biz/live-green-inc/) [Call](tel:+19194536411) [Website](https://livegreeninc.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

17

[RCS Independent · Locally Owned](/biz/rcs/)

★★★★½ 4.8 · 32 Google reviews · 3004 Dunkirk Dr

[View profile](/biz/rcs/) [Call](tel:+19196856387) [Website](http://sealedcrawlspaces.net/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

18

[Boatwright Insulation Co Inc Independent · Locally Owned](/biz/boatwright-insulation-co-inc/)

★★★★½ 4.8 · 29 Google reviews · 1406 Smith Reno Rd

[View profile](/biz/boatwright-insulation-co-inc/) [Call](tel:+19198321222) [Website](http://boatwrightnc.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

19

[EAST COAST CRAWL SPACE SOLUTIONS Independent · Locally Owned](/biz/east-coast-crawl-space-solutions/)

★★★★½ 4.8 · 24 Google reviews · 2815 Enfield Dr

[View profile](/biz/east-coast-crawl-space-solutions/) [Call](tel:+19194288880) [Website](http://www.eastcoastcrawlspace.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

20

[MPI Foam Independent · Locally Owned](/biz/mpi-foam/)

★★★★½ 4.7 · 50 Google reviews · 1220 Nowell Rd

[View profile](/biz/mpi-foam/) [Call](tel:+18446743626) [Website](https://www.mpifoaminsulation.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

21

[ARAC Roof It Forward](/biz/arac-roof-it-forward/)

★★★★½ 4.7 · 83 Google reviews · 2530 Meridian Pkwy

[View profile](/biz/arac-roof-it-forward/) [Call](tel:+19197947333) [Website](https://www.roofitforward.com/nc?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

22

[Sears Contract Inc Independent · Locally Owned](/biz/sears-contract-inc/)

★★★★½ 4.6 · 24 Google reviews · 3813 Beryl Rd

[View profile](/biz/sears-contract-inc/) [Call](tel:+19197540750) [Website](https://searscontract.com/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

23

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

★★★★½ 4.6 · 93 Google reviews · 1951 TW Alexander Dr C

[View profile](/biz/idi-insulation-distributors-inc/) [Call](tel:+19842091400) [Website](https://www.idi-insulation.com/location/raleigh-nc/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

24

[Durham Insulation](/biz/durham-insulation/)

★★★★ 4 · 31 Google reviews · 2704 Liberty St N

[View profile](/biz/durham-insulation/) [Call](tel:+19054355551) [Website](http://durhaminsulation.net/?utm_source=topratedcities&utm_medium=referral)

Unclaimed - is this yours?

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

## Insulation in Durham: common questions

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

Based on Google ratings and review volume as of October 2026, the top rated insulation companies in Durham are Crawlspace Medic of Raleigh, Mold Free NC, Crawlspaces & Beyond LLC. See the live ranked list, ratings, and contact details on this page.

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

Every company ranked on this page serves Durham and the surrounding area, including Southpoint, Hope Valley, Brier Creek, Chapel Hill, Morrisville, Hillsborough. 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 Durham?

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