HVAC Sensor & Flow Switch Selection Guide
HVAC Sensor & Flow Switch Selection GuideFor the shared principles behind how every sensor works, see our How HVAC Sensors Work guide.A building automation system is only as good as…
HVAC Sensors
CO2, Enthalpy & Occupancy Sensors Explained: Demand-Controlled Ventilation
CO2, Enthalpy & Occupancy Sensors Explained: Demand-Controlled VentilationBringing in more outdoor air than a space actually needs wastes energy conditioning it; bringing in too little hurts indoor air quality. CO2,…
Temperature Sensors for HVAC: Wall, Duct & Room Types Explained
Temperature Sensors for HVAC: Wall, Duct & Room Types ExplainedEvery control loop in an HVAC system starts with a temperature reading from somewhere — a room, a duct, a coil,…
Differential Pressure Switches & Transmitters for HVAC Explained
Differential Pressure Switches & Transmitters for HVAC ExplainedWhere a flow switch answers "is fluid moving," a differential pressure device answers a related but distinct question: "what's the pressure difference across…
Paddle Water Flow Switches Explained: How They Work & Where to Use Them
Paddle Water Flow Switches Explained: How They Work & Where to Use ThemA water flow switch answers one question for a control system: is water actually flowing through this pipe,…
Humidity Sensors & Transmitters for HVAC Explained
Humidity Sensors & Transmitters for HVAC ExplainedHumidity control is as important as temperature control in most commercial buildings — too dry and static/comfort problems appear, too humid and mold risk…
Air Velocity Sensors Explained: How They Work & Where to Use Them
Air Velocity Sensors Explained: How They Work & Where to Use ThemAn air velocity sensor measures how fast air is actually moving through a duct or opening — a direct…