With experience extending back to the 1988 Montreal Protocol, no other fixed refrigerant gas monitoring system manufacturer can claim a greater history dedicated to the research, manufacture, sales and service of refrigerant gas monitoring systems.

Today, the Thermal Gas Systems Haloguard product brand has come to stand for proven reliability worldwide. Our monitors and ancillary equipment are designed and built to withstand tough mechanical room requirements.

We invite users at all levels, including System Engineers, Mechanical Contractors, Facility Managers, Chiller Equipment Manufacturers and Distributors to experience our personalized customer service and support.