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Products > Sensors & Switches > Air Quality
greystone

Greystone Energy Systems Inc. is internationally recognized as one of the largest ISO registered manufacturers of HVAC sensors and transducers for Building Automation Management Systems. We have conscientiously established a worldwide reputation as an industry leader by maintaining leading-edge design technology, prompt technical support, and a commitment to on-time deliveries.

CDD3 Series (Co2)

CMD Series (Co)

honeywell

Reliability and Innovation in the Areas of Pressure and Temperature We can supply you with a variety of products – with the focus on pressure switches, pressure transmitters, and thermostats – to achieve greater reliability and innovation.

C7110 Room Co2 Sensors

veris

Veris Industries, Located in Portland Oregon, is a market focused, customer service oriented, leading supplier of energy and environmental sensors and control peripherals for Commercial HVAC and Energy Management applications.

CDE & CWE Series