Karber Mechanical Insulation Inc
Licensed insulation contractor in Phoenix, Arizona
Karber Mechanical Insulation Inc holds Arizona ROC licence 212798, active, licensed since 25 Oct 2005, rated 4.7 from 12 Google reviews. Bonded for $41,750 with Contractors Bonding and Insurance Company. No complaints on the Arizona ROC record.

Report card
- Licence activeArizona ROC #212798, Specialty Dual CR-40 Insulation. Issued 25 Oct 2005, renewal due 31 Oct 2027.
- Licensed 21 yrsSince 25 Oct 2005.
- Bonded$41,750 with Contractors Bonding and Insurance Company, since 5 Oct 2023. Arizona sets the amount by licence type and expected yearly work, so a bigger bond means a bigger business, not a better one. Homeowners can also claim up to $30,000 from the ROC Recovery Fund.
- No complaintsNone on the Arizona ROC record.Arizona ROC record
- On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
- 1 building permit since 2020Naming this business as the contractor (City of Phoenix), most recently 23 Jan 2025.
Checked against the Arizona Registrar of Contractors (ROC) register on 4 Nov 2026.
About Karber Mechanical Insulation Inc
Karber Mechanical Insulation, Inc. provides commercial mechanical insulation services in Phoenix, Arizona.
- Founded
- 2005
From Karber Mechanical Insulation Inc's own website, read 5 Nov 2026. We only show what the site states.
Google reviews
4.7(12 reviews)Adam Dominguez★★★★★ 6 years agoView on Google
A great company with wonderful people. They after fantastic to work with.
Charles Ortiz★★★★★ 5 years agoView on Google
More then exceptional look forward to future endeavors.
Troy Burriss★★★★★ 6 years agoView on Google
Great company. Union based
Chris Yount★★★★★ 5 years agoView on Google
Friendly staff and fast working crews
ralfie valdes★★★★★ 3 years agoView on Google
This place is a big joke 4 hour safety video I got up and left. It's not worth 15 hour
Read all 12 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Recent permits
Building permits pulled under licence #212798, from City of Phoenix open data, which names contractors up to 4 Nov 2026. Locations are shown to ZIP code only.
- 23 Jan 2025 · STRUC/ELEC/PLMB/MECHCOMMERCIAL REMODEL
OSHA inspections
US Department of Labor enforcement data, matched by business name and city.
- 21 Apr 2020 · Unprogrammed related1 violation, $540 penalty · View on OSHA
Why it ranks #1 of 56 insulation contractors in Phoenix
Score 89.2 / 100. Claiming this listing or using Theo never changes it. How we rank
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