Environmental Test Chamber Manufacturer

About Us

Cincinnati Sub-Zero (CSZ) is a leading brand of environmental test chambers designed to simulate conditions such as temperature, humidity, vibration, and altitude. Trusted by industries including electronics, transportation, aerospace, and more, CSZ chambers ensure the safety and reliability of everyday products consumers rely on.

Founded in 1940, CSZ has grown from a supplier of industrial freezers to a trailblazing brand of state-of-the-art environmental simulation technology, earning a reputation for enduring quality and reliability. 

In February 2019, CSZ joined the Weiss Technik North America family, combining strengths and reinforcing the brand's commitment to providing the highest quality environmental testing solutions. CSZ test chambers continue to shape the future of environmental simulation, providing innovative solutions for validating the safety, reliability, and efficacy of devices across nearly every industry. 

Throughout the journey to becoming a global leader in environmental testing solutions, the philosophy that the customer comes first has been the brand’s guiding principle. Through dedication to customer service, CSZ products have gained the trust of leading manufacturers across industries including automotive, electronics, aerospace, defense, medical, energy, and many more.

About Weiss Technik

Weiss Technik North America is a member of the Weiss Technik group of companies, a division of the Schunk Group with its headquarters in Heuchelheim, Germany. Weiss Technik has over 50 years of experience in the manufacture of environmental test chambers and employs 1,700 people in 22 group companies in 15 countries worldwide.

Schunk was founded in 1913 and is a globally active technology group. The Schunk Group has locations in 29 countries and employs about 9,000 people around the world. For more information about the Schunk-Group, please visit: www.schunk-group.com

Mission Statement

Our expertise in the fields of materials and mechanical engineering provides a major boost for industries around the world. Schunk pursues profitable growth as well as independence and thinks long-term. We are characterized by diversity and mutual respect: As a team, we succeed.

Passion for technology. We are competent and idea driven. This makes us an innovative technology leader and keeps us one step ahead.
We are pragmatic. We provide rapid solutions and deliver efficient results. In doing so, our approach is entrepreneurial and collaborative.
Focus on the customer. We empower our customers on their road to success. Together, we make a significant contribution towards a sustainable future.

Weiss Technik North America Statement on Equality and Diversity in the Workplace