Collection: IAQ (Indoor Air Quality)
Indoor air quality (IAQ) sensors help monitor environmental conditions that affect comfort, health, and productivity. Track indoor air quality indicators such as VOCs and ventilation conditions so building systems can respond with cleaner, healthier air. E-Controls offers IAQ sensing solutions from Greystone, Siemens, and Senva for commercial applications.
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Greystone CDD5A100 Room Carbon Dioxide Detector, 0-2000 ppm, Temperature & Humidity, 4-20 mA, Concealed LCD
Regular price $408.33 USDRegular priceSale price $408.33 USD -
Greystone CMD5B5110-MOD Duct Carbon Monoxide Detector, two Form C relays, Modbus communications, LCD and test switch
Regular price $399.34 USDRegular priceSale price $399.34 USD -
Greystone CMD5B5110-BAC Duct Carbon Monoxide Detector, two Form C relays, BACnet communications, LCD and test switch
Regular price $399.34 USDRegular priceSale price $399.34 USD -
Greystone CMD5B5110 Duct Carbon Monoxide Detector, two Form C relays, LCD and test switch
Regular price $335.76 USDRegular priceSale price $335.76 USD -
Greystone CMD5B5100-MOD Duct Carbon Monoxide Detector, one Form C relay, Modbus communications, LCD and test switch
Regular price $384.04 USDRegular priceSale price $384.04 USD -
Greystone CMD5B5100-BAC Duct Carbon Monoxide Detector, one Form C relay, BACnet communications, LCD and test switch
Regular price $384.04 USDRegular priceSale price $384.04 USD -
Greystone CMD5B5100 Duct Carbon Monoxide Detector, one Form C relay, LCD and test switch
Regular price $320.52 USDRegular priceSale price $320.52 USD -
Greystone CMD5B5000-MOD Duct Carbon Monoxide Detector, Modbus communications, LCD and test switch
Regular price $368.76 USDRegular priceSale price $368.76 USD -
Greystone CMD5B5000-BAC Duct Carbon Monoxide Detector, BACnet communications, LCD and test switch
Regular price $368.76 USDRegular priceSale price $368.76 USD -
Greystone CMD5B5000 Duct Carbon Monoxide Detector, LCD and test switch
Regular price $305.24 USDRegular priceSale price $305.24 USD -
Greystone CMD5B1100 Wall/Surface-Mount Carbon Monoxide Detector, 0-300 ppm range, 4-20 mA output, Form C alarm relay
Regular price $206.08 USDRegular priceSale price $206.08 USD -
Greystone CMD5B1000-010 Wall/Surface-Mount Carbon Monoxide Detector, 0-300 ppm range, 0-10 Vdc output
Regular price $188.04 USDRegular priceSale price $188.04 USD -
Greystone CMD5B1000 Wall/Surface-Mount Carbon Monoxide Detector, 0-300 ppm range, 4-20 mA output
Regular price $190.80 USDRegular priceSale price $190.80 USD -
Gentex C Series Model CR Single/Multiple Station Electrochemical Carbon Monoxide Alarm, Universal Mount, Temporal 4 Audible Signal, Form A/C Relay Contacts, 120 VAC/9V
Regular price $89.00 USDRegular priceSale price $89.00 USD -
Gentex C Series Model C Single/Multiple Station Electrochemical Carbon Monoxide Alarm, Universal Mount, Temporal 4 Audible Signal, 120 VAC/9V
Regular price $73.00 USDRegular priceSale price $73.00 USD -
Gentex SC Series Model SCRR Single/Multiple Station Smoke/Carbon Monoxide Alarm, Universal Mount, Temporal 3 and Temporal 4 Audible Signal, 2 Sets Form A/C Relay Contacts, 120 VAC/9V
Regular price $126.00 USDRegular priceSale price $126.00 USD -
Gentex SC Series Model SCR Single/Multiple Station Smoke/Carbon Monoxide Alarm, Universal Mount, Temporal 3 and Temporal 4 Audible Signal, Form A/C Relay Contacts, 120 VAC/9V
Regular price $116.00 USDRegular priceSale price $116.00 USD -
Gentex SC Series Model SC Single/Multiple Station Smoke/Carbon Monoxide Alarm, Universal Mount, Temporal 3 and Temporal 4 Audible Signal, 120 VAC/9V
Regular price $99.00 USDRegular priceSale price $99.00 USD -
Senva AQ2W-BC2AABDU TotalSense IAQ Indoor, BACnet/Modbus, CO2, 2%RH, Tmp Xmit, OLED display, user PB
Regular price $409.29 USDRegular priceSale price $409.29 USD -
Senva AQ2W-BC2AABD TotalSense IAQ Indoor, BACnet/Modbus, CO2, 2%RH, Tmp Xmit, OLED display
Regular price $404.13 USDRegular priceSale price $404.13 USD -
Senva AQ2W-BC2AAAD TotalSense IAQ Indoor, BACnet/Modbus, CO2, 2%RH, OLED display
Regular price $404.13 USDRegular priceSale price $404.13 USD -
Senva AQ2W-AC2AAFDCO TotalSense IAQ Indoor, analog, CO2, 2%RH, 10kT3 temp, OLED Display, 1K slider, therm OR PB
Regular price $404.14 USDRegular priceSale price $404.14 USD -
Senva AQ2W-AC2AAEDCO TotalSense IAQ Indoor, analog, CO2, 2%RH, 10kT2 temp, OLED Display, 1K slider, therm OR PB
Regular price $404.14 USDRegular priceSale price $404.14 USD -
Senva AQ2W-AC2AAFD TotalSense IAQ Indoor, analog, CO2, 2%RH, 10kT3 temp, OLED Display
Regular price $386.94 USDRegular priceSale price $386.94 USD -
Senva AQ2W-AC2AAED TotalSense IAQ Indoor, analog, CO2, 2%RH, 10kT2 temp, OLED Display
Regular price $386.93 USDRegular priceSale price $386.93 USD -
Senva AQ2W-AC2AABD TotalSense IAQ Indoor, analog, CO2, 2%RH, temp Xmit, OLED Display
Regular price $369.74 USDRegular priceSale price $369.74 USD -
Senva AQ2W-AC2AAAD TotalSense IAQ Indoor, analog, CO2, 2%RH, OLED Display
Regular price $369.74 USDRegular priceSale price $369.74 USD -
Senva AQ2W-BCAAAED TotalSense IAQ Indoor, BACnet/Modbus, CO2, 10kT2 temp, OLED display
Regular price $352.54 USDRegular priceSale price $352.54 USD -
Senva AQ2W-BCAAABDU TotalSense IAQ Indoor, BACnet/Modbus, CO2, Temp Xmit OLED display, user PB
Regular price $340.50 USDRegular priceSale price $340.50 USD -
Senva AQ2W-BCAAAADU TotalSense IAQ Indoor, BACnet/Modbus, CO2, OLED display, user PB
Regular price $340.50 USDRegular priceSale price $340.50 USD -
Senva AQ2W-BCAAABD TotalSense IAQ Indoor, BACnet/Modbus, CO2, Tmp Xmit, OLED display
Regular price $335.35 USDRegular priceSale price $335.35 USD -
Senva AQ2W-BCAAAAD TotalSense IAQ Indoor, BACnet/Modbus, CO2, OLED display
Regular price $335.35 USDRegular priceSale price $335.35 USD -
Senva AQ2W-ACAAAFDC TotalSense IAQ Indoor, analog, CO2, 10kT3 temp, OLED Display, 1K slider
Regular price $330.19 USDRegular priceSale price $330.19 USD -
Senva AQ2W-ACAAAEDC TotalSense IAQ Indoor, analog, CO2, 10kT2 temp, OLED Display, 1K slider
Regular price $330.19 USDRegular priceSale price $330.19 USD -
Senva AQ2W-ACAAAFD TotalSense IAQ Indoor, analog, CO2, 10kT3 temp, OLED Display
Regular price $318.15 USDRegular priceSale price $318.15 USD -
Senva AQ2W-ACAAAED TotalSense IAQ Indoor, analog, CO2, 10kT2 temp, OLED Display
Regular price $318.15 USDRegular priceSale price $318.15 USD -
Senva AQ2W-ACAAABD TotalSense IAQ Indoor, analog, CO2, temp Xmit, OLED Display
Regular price $300.95 USDRegular priceSale price $300.95 USD -
Senva AQ2W-BA2AABD TotalSense IAQ Indoor, BACnet/Modbus, 2%RH, temp Xmit, OLED display
Regular price $249.36 USDRegular priceSale price $249.36 USD -
Senva AQ2W-AA2AAFDCO TotalSense IAQ Indoor, analog, 2% RH, 10kT3 temp, OLED display, 1K slider, therm OR PB
Regular price $249.36 USDRegular priceSale price $249.36 USD -
Senva AQ2W-AA2AAEDCO TotalSense IAQ Indoor, analog, 2% RH, 10kT2 temp, OLED display, 1K slider, therm OR PB
Regular price $249.36 USDRegular priceSale price $249.36 USD -
Senva AQ2W-AA2AAEDC TotalSense IAQ Indoor, analog, 2% RH, 10kT2 temp, OLED display, 1K slider
Regular price $244.20 USDRegular priceSale price $244.20 USD -
Senva AQ2W-AA2AAKD TotalSense IAQ Indoor, analog, 2% RH, 20k temp, OLED display
Regular price $232.16 USDRegular priceSale price $232.16 USD -
Senva AQ2W-AA2AAFD TotalSense IAQ Indoor, analog, 2% RH, 10kT3 temp, OLED display
Regular price $232.16 USDRegular priceSale price $232.16 USD -
Senva AQ2W-AA2AAED TotalSense IAQ Indoor, analog, 2% RH, 10kT2 temp, OLED display
Regular price $232.16 USDRegular priceSale price $232.16 USD -
Senva AQ2W-AA2AABD TotalSense IAQ Indoor, analog, 2% RH, Tmp Xmit, OLED display
Regular price $214.97 USDRegular priceSale price $214.97 USD -
Senva AQ2W-AA2AAAD TotalSense IAQ Indoor, analog, 2% RH, OLED display
Regular price $214.96 USDRegular priceSale price $214.96 USD -
Senva AQ2W-BAAAABDU TotalSense IAQ Indoor, BACnet/Modbus, temp Xmit OLED display, user PB
Regular price $185.73 USDRegular priceSale price $185.73 USD -
Senva CT1W-E3X Combination IAQ Sensor, CO2, Wall, noLCD, 10K Type 2
Regular price $172.91 USDRegular priceSale price $172.91 USD -
Senva CT1W-E3D Combination IAQ Sensor, CO2, Wall, LCD, 10K Type 2
Regular price $253.26 USDRegular priceSale price $253.26 USD -
Senva CT1W-B3X Combination IAQ Sensor, CO2, Wall, noLCD, TempTransmitter
Regular price $172.91 USDRegular priceSale price $172.91 USD