Greystone Energy Systems

Greystone has manufactured HVAC sensors and transmitters for over 30 years for building and energy management systems. Our expertise with sensory type devices and custom design engineering capability has complimented many original equipment manufacturers for building automation and direct digital control. Distributors, contractors, and facility engineers have trust in the Greystone brand delivering quality assured and competitive priced product to their commercial and light industrial projects.

Room Transmitters

Probe Transmitters

IAQ Series – Total Indoor Air Quality Sensor

• Measures 5 or 6 parameters
• Field replaceable sensor modules
• BACnet® or Modbus communications
• Full-colour configurable touchscreen LCD
• Configurable alarm relay
• Modern, quick-mount enclosure

The IAQ will monitor up to 6 parameters that include Particulate Matter (PM1, PM2.5, PM4 & PM10), Volatile Organic Compounds, Carbon Dioxide, Formaldehyde, Humidity & Temperature and provide either a BACnet® or Modbus signal for connection to a building automation system. The IAQ features field-replaceable sensor modules, a full-color capacitive touch screen LCD that’s user-configurable, and a configurable alarm relay output. All this is housed in a new modern, quick-mount enclosure.

The IAQ facilitates compliance with ASHRAE 62.1 standard for air quality and contributes toward satisfying Feature A08 and T06 under the WELL Building Standard®.