What services does Bartelt Insulation offer?

Bartelt Insulation is a full-service mechanical insulation contractor specializing in commercial, industrial, and refrigeration projects. They offer a wide range of services, including thermal industrial insulation, custom sewn removable insulation blankets, and preventative maintenance programs.

What industries does Bartelt Insulation work with?

Bartelt Insulation works with various industries, including the pulp and paper industry, the plastics industry, food processing, and refrigerated dairy operations. They have the expertise to handle projects of any size or complexity.

What geographic area does Bartelt Insulation serve?

Bartelt Insulation services businesses and industries throughout Wisconsin, Upper Michigan, and Northern Illinois.

How can I contact Bartelt Insulation?

Customers can contact Bartelt Insulation by phone at

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Bartelt Insulation Supply

$1.8M revenue • 12 employees • 3117 N Marshall Rd, Appleton, WI, 54911, United States

Last Updated Apr 1, 2026

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Company Overview

Company Name

Bartelt Insulation Supply

Address

3117 N Marshall Rd, Appleton, WI, 54911, United States

Website

barteltinsulation.com

Phone

(920) 733-6086

Approx. Annual Revenue

$1.8M

Employees

Established

1944

Google Reviews

5.0 (5 reviews)

Google Business Category

Insulation contractor

About Bartelt Insulation Supply

Bartelt Insulation is a full-service mechanical insulation contractor based in Appleton, Wisconsin, with approximately 11 employees. Specializing in commercial, industrial, and refrigeration projects, the company has provided professional insulation services since 1944, serving clients throughout Wisconsin, Upper Michigan, and Northern Illinois.

Business Profile

Read from the Bartelt Insulation Supply website on Oct 18, 2026. Hover an item to see the exact wording it came from.

Ownership (as declared by the business)

Family-owned

About the website

Website quality (AI-assessed): 8/10 · Current copyright 2026; Detailed service descriptions

Recent changes

What changed on the Bartelt Insulation Supply website and Google listing, as detected by Coldlytics on each visit.

Oct 18, 2026
Estimated revenue band moved from $2.5M-5M to $1M-2.5M

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Insulation Companies near Appleton, WI

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Frequently Asked Questions about Bartelt Insulation Supply

Technologies Used

Key Decision Makers

Jim Bartelt President