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Indoor Air Quality

IAQ Sensor Types & Locations

Indoor air quality (IAQ) is a major concern to businesses, schools, building managers, tenants, and workers because it can impact the health, comfort, well-being, and productivity of the building occupants. ACI’s sensor lineup includes temperature, humidity, particulate matter, total volatile organic compound, carbon dioxide, and carbon monoxide to cover all sensing aspects of IAQ applications. The sensor data helps to define the ventilation strategy for the building, which would involve dilution (ventilation), filtration, humidification, and potentially air cleaning and disinfection. This guide demonstrates sensor types and locations and is designed to help you find the right sensing solution.

IAQ Application Guide

Common Challenges

Poor IAQ creates many negative outcomes. How do building owners improve their IAQ without sacrificing energy efficiency and occupant comfort?

The ACI Solution

ACI has the technical knowledge to help you integrate newer IAQ devices like VOC and PM sensors with your existing system. ACI builds traditional sensors like temperature, humidity, and CO2 that are also used to maximize IAQ, system efficiency, and equipment life.

Have an indoor air quality application and need assistance?

Our Technical Support Team Can Help Your Indoor Air Quality

For questions related to ACI’s line of Indoor Air Quality products, please partner with your Sales Engineer and ACI’s Technical Support Team by calling 1-888-967-5224.

Products for Indoor Air Quality

Sun shield
Item: 133500

Model: A/RH2-AN-O-SUN

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 2% Accuracy, 10,000 Ohm Thermistor (Type III), Sun Shield

duct eh rh
Item: 122633

Model: A/RH2-AN-D

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Duct, ± 2% Accuracy, 10,000 Ohm Thermistor (Type III), Euro Enclosure

room R2
Item: 130751

Model: A/RH2-AN-R2

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 2% Accuracy, 10K Ohm Thermistor (Type III)

Tsense room
Item: 135458


Carbon Dioxide Sensor, Analog, Modbus, or BACnet, RH/TEMP, RELAY, LCD

Item: 141036

Model: Q5C-CO-250P-O-X

Smart Sensor, Carbon Monoxide, 0-250 ppm, 3 SPDT Relays, ETL, NEMA 4X, 4-20mA, 2-10V, or Modbus RTU