Worldwide leader of environmental test chambers and vacuum systems.

Weiss Technik
Offers a complete portfolio of specialty and custom test chambers that provides solutions for unique testing requirements.
Cincinnati Sub-Zero
Provides a wide range of environmental test chambers focused on improving product safety and reliability.
Dynavac
Offers high-complexity vacuum systems and thin film deposition for the Aerospace & Defense industry.

Weiss Technik North America (WNA) is the world’s largest manufacturer of environmental test chambers, specialty space simulation systems and thin film deposition systems. We serve the market with three product brands:  Weiss Technik, Cincinnati Sub-Zero (CSZ) and Dynavac, simulating environmental conditions on Earth and beyond – from land to sky to outer space.  Each product brand has a reputation for providing high-quality, innovative products focused on customer responsiveness. 

We offer the most expansive product portfolio on the market, ensuring product safety and reliability across a range of industries for the products we all rely on every day. Industries at the forefront of innovation use our chambers to ensure their next-generation products will stand the test of time.

With over eight decades of experience,

We have solutions for all your global testing needs.

Play Video