Out-state Minnesota’s Premier Sheet Metal Fabricator

Our extensive in-house sheet metal fabrication capability allows us to custom design and custom build entire ventilation systems to exact specifications. From large complex industrial projects like schools, hospitals and manufacturing facilities, to office complexes and residential applications, Thelen’s sheet metal team is simply the best available.

We work closely with architects, designers and engineers early in the building planning process. Our CAD designers, sheet metal workers and system installers are experienced at meeting the most challenging projects. From new systems to revamping and replacing aging systems, their combined efforts ensure that each project is completed in a timely, efficient, and cost effective manner.

Commercial Contract

Located in the Brainerd lakes area, Thelen Heating and Roofing Inc. is Minnesota’s premier single source provider of Commercial Roofing, Heating, Cooling and Ventilation systems for residential and commercial customers.