HVAC Practices, Guidance & Compliances

A technical knowledge base for specifiers, engineers, and building services professionals.

Latest Articles

Modern BMS Integration: From Traditional DDC to IoT-Enabled Building Controls

Building ControlsIoT for FM

Control Valve Selection and Hydronic Balancing for Commercial HVAC

Water-sideFluid Handling

VAV Damper Selection for Commercial Buildings: Sizing, Types, and Specification Pitfalls

Air-sideBuilding Controls

Editor's Picks

Modern BMS Integration: From Traditional DDC to IoT-Enabled Building Controls

Building ControlsIoT for FM

Control Valve Selection and Hydronic Balancing for Commercial HVAC

Water-sideFluid Handling

VAV Damper Selection for Commercial Buildings: Sizing, Types, and Specification Pitfalls

Air-sideBuilding Controls

Sponsors

IAQ3 items

Temtop M2000 2nd Gen all-in-one air quality monitor for PM2.5, PM10, CO2, HCHO, temp, and humidity in HVAC IAQ

Temtop M2000 2nd Gen Air Quality Monitor PM2.5 PM10 CO2 HCHO Temp Rel Humidity

HK$2,680Temtop

DecentLab industrial CO2 sensor 10,000 ppm LoRaWAN IP67 with battery for outdoor HVAC environmental monitoring

DecentLab Industrial CO2 Sensor 10,000 ppm IP67 LoRaWAN C-size Battery

HK$7,980DecentLab

Annular VHE150B wall-mounted cold plasma deodorizer air purifier for pet shop odor control in HVAC systems

Pet Shop Odor Control Cold Plasma Deodorizer – Wall Mounted Air Purifier VHE150B

HK$4,860Annular

Air-side3 items

Belimo LMQ24A-VST 4Nm 24V fail-safe rotary actuator for VAV and CAV damper control in HVAC

Water-side3 items

Belimo Energy Valve EV015R2+BAC 2-way PICCV 15mm 24V BACnet modulating valve for HVAC water control

Belimo Energy Valve 2-way PICCV 15mm 24V BACnet MOD/ON/OFF EV015R2+BAC

HK$13,200Belimo

Belimo B239VS-GRX24-MFT-T-N4 2-way ball valve Cv84 24V modulating actuator for HVAC hydronic systems

Belimo Ball Valve VS 1½" 2-way Cv84 Actuator Nonfail-safe 24V Modulating

HK$22,330Belimo

Belimo LRF230 fail-safe rotary actuator 4Nm AC open/close for ball valve water control in HVAC

Belimo LRF230 Fail-Safe Rotary Actuator 4 Nm AC Open/Close Spring Return IP54

HK$3,080Belimo

IoT3 items

Milesight WTS305 IoT weather station LoRa solar ultrasonic wind sensor IP65 for HVAC outdoor monitoring

Milesight IoT Weather Station LoRa Solar Ultrasonic Wind ABS IP65 IoT WTS305

HK$12,800Milesight

Milesight EM500-CO2 IP65 CO2 humidity barometric sensor LoRaWAN for HVAC fermentation cellar data logging

Milesight EM500-CO2 IP65 CO2 Relative Humidity Baro Sensors Fermentation Cellar Data Logger

HK$2,980Milesight

Milesight UG56-4G 8-channel LoRaWAN gateway BACnet PoE 4G for industrial HVAC IoT connectivity

Milesight UG56-4G Industrial LoRawan® Gateway BACnet PoE 4G Access Point HVAC

HK$3,680Milesight

HVAC Practices, Guidance & Compliances

Latest Articles

Editor's Picks

Most Read

Sponsors

Temtop M2000 2nd Gen Air Quality Monitor PM2.5 PM10 CO2 HCHO Temp Rel Humidity

DecentLab Industrial CO2 Sensor 10,000 ppm IP67 LoRaWAN C-size Battery

Pet Shop Odor Control Cold Plasma Deodorizer – Wall Mounted Air Purifier VHE150B

Belimo Rotary Actuator for VRU 35 in-lb 4 Nm 24V 2.5s IP54 LMQ24A-VST

Belimo Damper Actuator 450N Electronic Fail-safe 24V MFT/P AHKX24-MFT-100

Belimo Damper Actuator 22 in-lb 2.5Nm Spring-return 24V ON/OFF Float SPDT