HALT & HASS Chamber Support

CSZ test chambers have been in production dating back to 1940. Our years of industry experience in designing, manufacturing, and servicing environmental test chambers is unparalleled in the United States.

Our service department operates with trained technicians for your technical support needs, supplemented by factory-trained service technicians worldwide. All technicians are trained on the latest technology developments on CSZ products, stocking common parts and refrigerants to meet your immediate repair needs.

Our dedication to customer service is evident in our commitment to excellence that continues long after the sale with high-quality products and services.


  • Replacement parts
  • System start-up and training
  • Preventative maintenance programs
  • Calibration
  • Replacement parts
  • Controller upgrades

System start-up and in-depth training on the operation and maintenance of your product are included with the purchase of your HALT & HASS chamber. Training is tailored to your specific products and processes. Formal training sessions may be conducted at your facility or at our Cincinnati Facility.

Contact Customer Support


Customer Support

Contact Information

Direct Phone: 513-326-5252

Toll Free: 800-989-7373

Email Technical Support

Customer Service Contact Form

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