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Greystone Energy Systems

Greystone Energy Systems Inc. manufactures HVAC sensors and transducers with a wide range of products related to temperature, humidity, pressure, current, air quality, and hazardous gases.

Fire Devices

  1. Smoke Detectors

Flow

  1. Accessories - Flow

  2. Air Velocity Transmitters

  3. Airflow Measuring Probes

  4. Water Flow Switches

Gas Detectors

  1. Accessories - Gas

  2. Air Quality Sensors

  3. CO2 Combo Transmitters

  4. CO2 Transmitters

  5. Controllers

  6. Controllers/ Sensors

  7. Gas Transmitters (Chlorine, Combustibles, etc.)

  8. Gas Transmitters (CO)

  9. Particulate Sensors

  10. Refrigerant Detectors

Humidity / Condensation

  1. Accessories - Humidity

  2. Dew Point Sensors

  3. Duct Humidity Sensors

  4. Outside Air Humidity Sensors

  5. Room Humidity Sensors

Interface Devices / Signal Conversion

  1. Accessories - Interface Devices

  2. Analog To Analog

  3. Analog To Pneumatic

  4. Analog To Relay

  5. Analog To Resistance

Leak Detection

  1. Moisture Sensors

  2. Sensing Cables

Panel Devices

  1. Enclosed Transformers

  2. Power Supplies

Power Meters/Current Switches/Current Sensors

  1. Current Sensors

  2. Current Switches

Power Supplies

  1. Accessories - Transformers

  2. Enclosed Transformers

  3. Power Supplies

Pressure

  1. Accessories - Pressure

  2. Differential Pressure Gauges

  3. Differential Pressure Switches

  4. Differential Pressure Transmitters

  5. Gauge Pressure Switches

  6. Gauge Pressure Transmitters

  7. Pitot Tubes & Pressure Probes

  8. Pressure Monitors

Temperature Sensors

  1. Accessories - Temperature

  2. Duct Averaging Sensors

  3. Duct Sensors

  4. Outside Air Sensors

  5. Remote Probes

  6. Room Sensors

  7. Strap-On Sensors

  8. Thermowells

  9. Wall Plate Sensors

Thermostats & Controllers

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    Freezestats

  2. High Limit Thermostats

Transformers

  1. Accessories - Transformers

  2. Enclosed Transformers

  3. Power Supplies

Wireless

  1. Accessories - Wireless Sensors

  2. Wireless Sensors & Input Devices