Providing quality testing solutions for over 70 Years

Cincinnati Sub-Zero (CSZ) offers a full range of standard and custom-designed Environmental Chambers providing our customers with solutions to meet their most demanding environmental testing requirements. These environmental chambers range from small benchtop chambers to full walk-in chambers and rooms including:

Use CSZ environmental chambers to test, validate or store your products in a variety of climatic conditions. CSZ environmental test chamber designs are customizable to meet your needs with chambers available from basic cycling to accelerated stress testing.

Cincinnati Sub-Zero Capabilities

Our environmental chamber service department provides chamber maintenance programs, controller upgrades, refrigeration retrofits, test chamber calibration, start-up and training, replacement parts and repair services.


CSZ Customer Training Seminar May 6-7

This complimentary seminar educates existing customers on the operation and maintenance of their test chambers. It is designed for both chamber operators and maintenance personnel...(more)

Growth in Battery Industry Sparks Need for Battery Innovation Center

CSZ provided test chambers to the Battery Innovation Center, a non-profit organization that serves as a hub for the developing, commercializing and validating of high tech battery technologies...(more)

New Touch Screen Controller for Compact Chambers

Exciting news for those that test small products. The CSZ MicroClimate product line now includes the new EZT-430i Touch screen controller loaded with features to simplify test chamber programming & operation...(more)

Cincinnati Sub-Zero Acquires HALT & HASS Systems Corporation

Cincinnati Sub-Zero (CSZ) Products, Inc. is pleased to announce the asset acquisition of HALT & HASS Systems Corporation (HHSC) of Denver... (more)

CSZ supplies Environmental Chambers to GM Battery Test Lab

Cincinnati Sub-Zero was selected as the main Environmental Test Chamber Supplier for the new General Motors (GM) Battery Test Lab. The facility tests battery packs, energy cells and modules. (more)