Environmental Test Chamber Manufacturer

About CSZ

Cincinnati Sub-Zero (CSZ) acquired HALT & HASS Systems Corporation (HHSC) July 2011. HHSC was formed in 1978 to provide technology seminars and consulting in accelerated reliability. Dr. Gregg Hobbs, founder and former President of HHSC, was also the inventor of HALT & HASS techniques. This website covers the HALT & HASS product line that CSZ acquired as part of the acquisition.

CSZ has been providing quality testing solutions for over 75 Years. We offer a full range of standard and custom-designed Environmental Chambers with solutions to meet your most demanding environmental testing requirements. These environmental chambers range from small benchtop chambers to full walk-in chambers. Additional information on Cincinnati Sub-Zero and our other product lines can be found by visiting www.cszindustrial.com.


Our mission is to deliver world class temperature management solutions to our customers right the first time.


Our Vision is to create an environment that allows our team to successfully grow, while developing solutions to meet and/or exceed all of our customers' needs.

Quality Policy

At CSZ, our Commitment is to provide Customers with high quality, Cost-effective products that are in Compliance with standards and regulatory requirements in an atmosphere that fosters continuous improvement and customer satisfaction.