Monthly Archives: November 2026

Inverters

  1. How to Choose an HVAC Actuator: Torque, Voltage and Signal Type Explained

    Belimo LF230, GM24.19 and NR24A-MP actuators grouped on a plant room bench with AHU in the background

    The choice of an appropriate HVAC actuator is dependent on three factors, which include torque rating, the voltage, and the control signal types. The error in any of these three factors will ensure malfunctioning or failure of the actuator even if the choice was seemingly good.

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  2. CO2 Sensors Explained: Demand Controlled Ventilation for Better Air Quality

    Titan, Siemens duct, Siemens room and Sontay CO2 air quality sensors grouped on a plant room bench

    CO2 sensor is an instrument that measures the level of carbon dioxide in the atmosphere and is a vital component of demand controlled ventilation, which means the building will provide just the right amount of fresh air as needed by the actual occupancy and not on a pre-set schedule.

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  3. Humidity Sensors Explained: Types and Applications in HVAC

    Belimo 22DTM-15 duct CO2 humidity temperature sensor on a plant room bench in front of air handling units

    Humidity sensors detect the amount of water vapour in the air and return the value to the building management system or humidifier, thereby enabling buildings to maintain an optimal level of humidity. It is equally important to select the proper sensor and location for accurate readings.

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