Keystone Heating & Air Cond. Co., Inc.

Racine, Wisconsin 53403
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Our Story

The third generation of our family serving yours!

Keystone heating was started in 1918 by William Challinor. Our grandfather, David Lonergan, went to work at Keystone in the 1920's and bought the business in 1934. Our father, Lowell Katt, started at Keystone in 1951 and took over in 1969. David Katt started in 1975, Marshall Katt in 1978 and Colleen (Katt) Miskovic in 1979. We took over as owners in 1995. We are union shop, represented by Sheet Metal Worker's Local 18 and currently have a total workforce of 12 people. Keystone is proud to serve the Racine-Kenosha area with high quality, friendly and dependable work.

What We Do

Products and Services

Blue Book Network Classifications

We can be found under the following Blue Book Network Classifications.

CSI Codes

Our standard scope of services includes the following CSI Master Format™ code(s).

Commercial Construction Project Specializations

Assisted Living
Club House / Community Center
Design Build
Fitness Center
Non-Residential Building
Misc Project
Office Building
Residential Building
Single Family Residential
Storage Facility / Warehouse

Company Information

Year Established:
1918
Bondable:
YES
Labor Affiliation:
Union Prevailing Wages (Davis-Bacon)
Annual Volume:
Undisclosed
Company Size:
10-19 Employees
Service Sector:
Public Private
Typical Project Size:
Not Provided Request
Project Types:
New
Alterations/Renovations
Interior Fit-Ups
Service Work/Repairs

Associations & Memberships

ACCA (Air Conditioning Contractors of America)
SMACNA (Sheet Metal & Air Conditioning Contractors National Assn.)

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