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Greystone Energy Systems

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Greystone Energy Systems develops and manufactures HVAC and building-automation sensors and transmitters for temperature, humidity, pressure, air quality and networked environmental monitoring.

Vendor update: No authenticated update recorded PROVE TDI review: 4 Sep 2026

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Headquarters
Canada
Direct products
6
Public source links
7
Governed categories
Not assigned
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Not published

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Products & capabilities

Direct products

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Environmental, IAQ & IoT Sensors
on_premises

CHTDT Series

CHTDT Series is Greystone Energy Systems' combined carbon-dioxide, temperature and humidity transmitter family with analogue, BACnet or Modbus outputs for HVAC and building automation.

Product source
Cleanroom Monitoring
on_premises

CR3 Series Cleanroom Monitor

CR3 Series is Greystone Energy Systems' cleanroom monitoring product for environmental and pressure conditions in controlled spaces, supporting building-management monitoring and integration.

Product source
Wireless Building Sensor
on_premises

GWTR24 Series

GWTR24 Series is Greystone Energy Systems' 24-volt wireless room transmitter family for environmental sensing in building-control applications, designed for integration into wireless monitoring networks.

Product source
Environmental, IAQ & IoT Sensors
on_premises

HNDT Series

HNDT Series is Greystone Energy Systems' duct network humidity and temperature transmitter family for building automation, with BACnet or Modbus communications and multiple accuracy options.

Product source
Environmental, IAQ & IoT Sensors
on_premises

HNOB Series

HNOB Series is Greystone Energy Systems' outside network humidity and temperature sensor family, transmitting environmental measurements to building automation systems over BACnet or Modbus.

Product source
Environmental, IAQ & IoT Sensors
on_premises

HNOS Series

HNOS Series is Greystone Energy Systems' outside network humidity transmitter family for HVAC and building automation applications, with network communication and optional temperature sensing.

Product source

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Latest review
4 Sep 2026
Published signals
0

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Current first-party official material identifies Greystone Energy Systems as an active built-environment technology supplier and supports the substantive catalogue profile.

Checked 4 Sep 2026

unreviewed

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