Shop Humidity Controller in AC System

Sponsored
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$34,200.00
Plas-Labs Temperature & Humidity Control Box With Drying Train, AC/DC Input 120 V AC (US Plug) 1 Each
Sigma-Aldrich
$34,200.00
Plas-Labs Temperature & Humidity Control Box With Drying Train, AC/DC Input 120 V AC (US Plug) 1 Each
Sigma-Aldrich
$41.99
Inkbird Humidity Controller IHC200 Humidistat Mushroom Greenhouse Pre Wired Outlet Dual Stage Humidifier Dehumidifier.
Amazon.com
3K+
Free shipping
$41.99
Inkbird Humidity Controller IHC200 Humidistat Mushroom Greenhouse Pre Wired Outlet Dual Stage Humidifier Dehumidifier.
Amazon.com
3K+
$149.99
Aprilaire 76 Digital Wall Mount Dehumidifier Control
Amazon.com
Free shipping
$149.99
Aprilaire 76 Digital Wall Mount Dehumidifier Control
Amazon.com
Free shipping
$169.99
$189.99
Aprilaire S86WMUPR Wi-Fi Programmable Thermostat, Multi-Stage Universal With IAQ Control, 2H/2C Heat/Cool Stages Or 4H/2C Heat Pump Stages
Amazon.com
Free shipping
10% off
$169.99
$189.99
Aprilaire S86WMUPR Wi-Fi Programmable Thermostat, Multi-Stage Universal With IAQ Control, 2H/2C Heat/Cool Stages Or 4H/2C Heat Pump Stages
Amazon.com
Free shipping
$23.59
4655 Manual Digital Control Humidistat, Control Switch Plan For Whole Home Humidifier, Fit Aprilaire 4655 4016 Also Replacement For Carrier 4363
Amazon.com
6
$23.59
4655 Manual Digital Control Humidistat, Control Switch Plan For Whole Home Humidifier, Fit Aprilaire 4655 4016 Also Replacement For Carrier 4363
Amazon.com
6
$22.99
Dicsley 4655 Manual Humidistat Digital Control Humidistat For Whole House Humidifier, Duct Or Wall Mounted Humidifier,24VAC
Amazon.com
$22.99
Dicsley 4655 Manual Humidistat Digital Control Humidistat For Whole House Humidifier, Duct Or Wall Mounted Humidifier,24VAC
Amazon.com
$139.00
AC Infinity Controller 69 PRO+, Smart Environmental Controller 8-Port With Temp, Humidity, VPD, Timer, Cycle, Schedule Controls, For Grow Tent Cooling
Amazon.com
Free shipping
$139.00
AC Infinity Controller 69 PRO+, Smart Environmental Controller 8-Port With Temp, Humidity, VPD, Timer, Cycle, Schedule Controls, For Grow Tent Cooling
Amazon.com
Free shipping
$14.31
Humidity Controller, WT2000 Humidistat Mushroom Greenhouse Pre Wired Outlet Switch Socket Humidifier Dehumidifier 110-220V (US Plug)
Amazon.com
$14.31
Humidity Controller, WT2000 Humidistat Mushroom Greenhouse Pre Wired Outlet Switch Socket Humidifier Dehumidifier 110-220V (US Plug)
Amazon.com
$26.98
Upgraded Digital Non-Programmable Thermostat For Home 1 Heat/1 Cool Single Stage System, With Temperature & Humidity Monitor And Large Blue LCD
Amazon.com
$26.98
Upgraded Digital Non-Programmable Thermostat For Home 1 Heat/1 Cool Single Stage System, With Temperature & Humidity Monitor And Large Blue LCD
Amazon.com
$199.00
AC Infinity Controller AI+ With CO2 Sensor Bundle - AI-Powered Learning, CO2 Data Tracking For Gardens & Grow Tents, Temp, Humidity, & VPD Monitoring
Amazon.com
Free shipping
$199.00
AC Infinity Controller AI+ With CO2 Sensor Bundle - AI-Powered Learning, CO2 Data Tracking For Gardens & Grow Tents, Temp, Humidity, & VPD Monitoring
Amazon.com
Free shipping
$17.56
Digital Humidity Controller 12V-240V With Sensor For Humidifier Dehumidifier
Amazon.com
Free shipping
$17.56
Digital Humidity Controller 12V-240V With Sensor For Humidifier Dehumidifier
Amazon.com
Free shipping
$99.00
AC Infinity Controller 69 PRO, Smart Environmental Controller With Temperature, Humidity, VPD, Timer, Cycle, Schedule Controls, For Grow Tent Cooling
Amazon.com
Free shipping
$99.00
AC Infinity Controller 69 PRO, Smart Environmental Controller With Temperature, Humidity, VPD, Timer, Cycle, Schedule Controls, For Grow Tent Cooling
Amazon.com
Free shipping
$59.99
Inkbird Digital Wi-Fi Humidity Controller IHC-200 Dual Outlet Pre-Wired Humidistat For Mushroom Growing Curing Meat Reptile Greenhouse Support
Amazon.com
Free shipping
$59.99
Inkbird Digital Wi-Fi Humidity Controller IHC-200 Dual Outlet Pre-Wired Humidistat For Mushroom Growing Curing Meat Reptile Greenhouse Support
Amazon.com
Free shipping
$39.99
SENSTREE Digital Temperature Humidity Controller Pre-Wired Outlets For Mushroom, Reptile, Heating/Cooling On Outlet 1, Humidifier/Dehumidifier On
Amazon.com
Free shipping
$39.99
SENSTREE Digital Temperature Humidity Controller Pre-Wired Outlets For Mushroom, Reptile, Heating/Cooling On Outlet 1, Humidifier/Dehumidifier On
Amazon.com
Free shipping
$79.99
AC Infinity Controller 75 PRO, Wifi Outlet Controller, Independent Programs For Two Devices, Desktop Digital Thermostat With Temperature, Humidity,
Amazon.com
Free shipping
$79.99
AC Infinity Controller 75 PRO, Wifi Outlet Controller, Independent Programs For Two Devices, Desktop Digital Thermostat With Temperature, Humidity,
Amazon.com
Free shipping
$99.00
AC Infinity Outlet AI+, Environment Controller, Smart Wifi Power Strip, Dual-Zone Temperature Humidity, Individual Control 8 Plugs, AI Targeting,
Amazon.com
Free shipping
$99.00
AC Infinity Outlet AI+, Environment Controller, Smart Wifi Power Strip, Dual-Zone Temperature Humidity, Individual Control 8 Plugs, AI Targeting,
Amazon.com
Free shipping
$359.00
AC Infinity Air Filtration PRO Kit 8", Inline Fan, Temperature Humidity VPD Controller With Wifi App Control, Carbon Filter, Ducting, Ventilation
Amazon.com
Free shipping
$359.00
AC Infinity Air Filtration PRO Kit 8", Inline Fan, Temperature Humidity VPD Controller With Wifi App Control, Carbon Filter, Ducting, Ventilation
Amazon.com
Free shipping
$29.77
VIVOSUN Humidity Controller, 1200W Dual-Stage Outlet, Pre-Wired Digital Humidistat With Dual LED Displays For Humidifier/Dehumidifier/Fan, Ideal For
Amazon.com
$29.77
VIVOSUN Humidity Controller, 1200W Dual-Stage Outlet, Pre-Wired Digital Humidistat With Dual LED Displays For Humidifier/Dehumidifier/Fan, Ideal For
Amazon.com
$249.99
Spider Farmer Smart Air Filtration Kit 6", Inline Duct Fan, GGS Temperature Humidity Controller With Wifi App Control, Carbon Filter Combo, 13ft
Amazon.com
Free shipping
$249.99
Spider Farmer Smart Air Filtration Kit 6", Inline Duct Fan, GGS Temperature Humidity Controller With Wifi App Control, Carbon Filter Combo, 13ft
Amazon.com
Free shipping
$22.79
4655 Wall Mounted Humidifier Control Humidistat, Manual Humidistat Digital, Fit For April-Aire Whole House Humidifier, 24VAC
Amazon.com
$22.79
4655 Wall Mounted Humidifier Control Humidistat, Manual Humidistat Digital, Fit For April-Aire Whole House Humidifier, 24VAC
Amazon.com
$99.88
Digital Humidistat Control For Turbo XE Ventilation Systems (115V, 240V)
Jiggly Greenhouse
$99.88
Digital Humidistat Control For Turbo XE Ventilation Systems (115V, 240V)
Jiggly Greenhouse
$740.00
Hoffman Atemhum Temp And Humidity Control 120Vac
New Feedonomics Feed - ARC 8/12/2025
$740.00
Hoffman Atemhum Temp And Humidity Control 120Vac
New Feedonomics Feed - ARC 8/12/2025
$308.16
W351AB-2C: Johnson Controls | Humidity Controllers
Galco Industrial Electronics
30-day returns (most items)
$308.16
W351AB-2C: Johnson Controls | Humidity Controllers
Galco Industrial Electronics
30-day returns
$208.10
Pre-Wired 115V Humidistat Precision Control With Starter Contactor
Jiggly Greenhouse
$208.10
Pre-Wired 115V Humidistat Precision Control With Starter Contactor
Jiggly Greenhouse
$263.00
Quest DEH 3000 / DEH 3000R Digital Control - DEH 3000 Digital Control
Sylvane
$263.00
Quest DEH 3000 / DEH 3000R Digital Control - DEH 3000 Digital Control
Sylvane
$155.00
QFA1001 SIEMENS - HVAC & Humidistat Supplies
Radwell.com
$155.00
QFA1001 SIEMENS - HVAC & Humidistat Supplies
Radwell.com
$399.00
Quest DEH 3000 / DEH 3000R Digital Control - DEH 3000R Digital Control With Sensor
Sylvane
$399.00
Quest DEH 3000 / DEH 3000R Digital Control - DEH 3000R Digital Control With Sensor
Sylvane
$144.78
Digital Humidistat Control For Turbo XE Ventilation Systems 115V
Jiggly Greenhouse
$144.78
Digital Humidistat Control For Turbo XE Ventilation Systems 115V
Jiggly Greenhouse
$99.00
AC Infinity CONTROLLER 69 PRO, Independent Programs For Four Devices, Dynamic VPD, Temperature, Humidity, Scheduling, Cycles, Levels Control, Data App
Indoor Garden Supply
31-day returns (most items)
$99.00
AC Infinity CONTROLLER 69 PRO, Independent Programs For Four Devices, Dynamic VPD, Temperature, Humidity, Scheduling, Cycles, Levels Control, Data App
Indoor Garden Supply
31-day returns
$46.80
$78.00
5Pcs XH-W3005 Digital Humidity Meter Hygrometer Controller DC 12V 24V AC 110-220V 10A Relay Voltage Regulator Humidity Sensor(XH-W3005 110-220V)(XH-W3005 DC12V)
ynyidea
40% off
$46.80
$78.00
5Pcs XH-W3005 Digital Humidity Meter Hygrometer Controller DC 12V 24V AC 110-220V 10A Relay Voltage Regulator Humidity Sensor(XH-W3005 110-220V)(XH-W3005 DC12V)
ynyidea
$1,317.75
HP972B1005/U: Honeywell | Humidity Controllers
Galco Industrial Electronics
30-day returns (most items)
$1,317.75
HP972B1005/U: Honeywell | Humidity Controllers
Galco Industrial Electronics
30-day returns
$833.00
HP970B1015 HONEYWELL - HVAC & Humidistat Supplies
Radwell.com
$833.00
HP970B1015 HONEYWELL - HVAC & Humidistat Supplies
Radwell.com
$549.00
AC Infinity CLOUDWAY T12 Whole House Fan W/ Temperature & Humidity Controller
Sylvane
113
$549.00
AC Infinity CLOUDWAY T12 Whole House Fan W/ Temperature & Humidity Controller
Sylvane
113
$304.99
Johnson Controls Humidity Controller, Surface Or Din Rail, 10 %, Spdt, 120 To 240V Ac W351AB-2C
Zoro.com
30-day returns (most items)
$304.99
Johnson Controls Humidity Controller, Surface Or Din Rail, 10 %, Spdt, 120 To 240V Ac W351AB-2C
Zoro.com
30-day returns
$896.00
Honeywell HP970A1009 2 Pipe Direct Acting Pneumatic Humidity Controller | Supplyhouse.Com
SupplyHouse.com
$896.00
Honeywell HP970A1009 2 Pipe Direct Acting Pneumatic Humidity Controller | Supplyhouse.Com
SupplyHouse.com
$218.25
White Rodgers 1F95-1291 Programmable, 4H/2C, Big Blue Digital Touchscreen Humidity Thermostat | Supplyhouse.Com
SupplyHouse.com
23
$218.25
White Rodgers 1F95-1291 Programmable, 4H/2C, Big Blue Digital Touchscreen Humidity Thermostat | Supplyhouse.Com
SupplyHouse.com
23
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    Shop Humidity Controller in AC System

    Sponsored
    About our ads
    $149.99
    Aprilaire 76 Digital Wall Mount Dehumidifier Control
    Amazon.com
    281
    Free shipping
    $149.99
    Aprilaire 76 Digital Wall Mount Dehumidifier Control
    Amazon.com
    281
    $34,200.00
    Plas-Labs Temperature & Humidity Control Box With Drying Train, AC/DC Input 120 V AC (US Plug) 1 Each
    Sigma-Aldrich
    $34,200.00
    Plas-Labs Temperature & Humidity Control Box With Drying Train, AC/DC Input 120 V AC (US Plug) 1 Each
    Sigma-Aldrich
    $41.99
    Inkbird Humidity Controller IHC200 Humidistat Mushroom Greenhouse Pre Wired Outlet Dual Stage Humidifier Dehumidifier.
    Amazon.com
    3K+
    Free shipping
    $41.99
    Inkbird Humidity Controller IHC200 Humidistat Mushroom Greenhouse Pre Wired Outlet Dual Stage Humidifier Dehumidifier.
    Amazon.com
    3K+
    $169.99
    $189.99
    Aprilaire S86WMUPR Wi-Fi Programmable Thermostat, Multi-Stage Universal With IAQ Control, 2H/2C Heat/Cool Stages Or 4H/2C Heat Pump Stages
    Amazon.com
    Free shipping
    10% off
    $169.99
    $189.99
    Aprilaire S86WMUPR Wi-Fi Programmable Thermostat, Multi-Stage Universal With IAQ Control, 2H/2C Heat/Cool Stages Or 4H/2C Heat Pump Stages
    Amazon.com
    Free shipping
    $23.59
    4655 Manual Digital Control Humidistat, Control Switch Plan For Whole Home Humidifier, Fit Aprilaire 4655 4016 Also Replacement For Carrier 4363
    Amazon.com
    6
    $23.59
    4655 Manual Digital Control Humidistat, Control Switch Plan For Whole Home Humidifier, Fit Aprilaire 4655 4016 Also Replacement For Carrier 4363
    Amazon.com
    6
    $22.99
    Dicsley 4655 Manual Humidistat Digital Control Humidistat For Whole House Humidifier, Duct Or Wall Mounted Humidifier,24VAC
    Amazon.com
    $22.99
    Dicsley 4655 Manual Humidistat Digital Control Humidistat For Whole House Humidifier, Duct Or Wall Mounted Humidifier,24VAC
    Amazon.com
    $139.00
    AC Infinity Controller 69 PRO+, Smart Environmental Controller 8-Port With Temp, Humidity, VPD, Timer, Cycle, Schedule Controls, For Grow Tent Cooling
    Amazon.com
    Free shipping
    $139.00
    AC Infinity Controller 69 PRO+, Smart Environmental Controller 8-Port With Temp, Humidity, VPD, Timer, Cycle, Schedule Controls, For Grow Tent Cooling
    Amazon.com
    Free shipping
    $199.00
    AC Infinity Controller AI+ With CO2 Sensor Bundle - AI-Powered Learning, CO2 Data Tracking For Gardens & Grow Tents, Temp, Humidity, & VPD Monitoring
    Amazon.com
    2K+
    Free shipping
    $199.00
    AC Infinity Controller AI+ With CO2 Sensor Bundle - AI-Powered Learning, CO2 Data Tracking For Gardens & Grow Tents, Temp, Humidity, & VPD Monitoring
    Amazon.com
    2K+
    $14.31
    Humidity Controller, WT2000 Humidistat Mushroom Greenhouse Pre Wired Outlet Switch Socket Humidifier Dehumidifier 110-220V (US Plug)
    Amazon.com
    $14.31
    Humidity Controller, WT2000 Humidistat Mushroom Greenhouse Pre Wired Outlet Switch Socket Humidifier Dehumidifier 110-220V (US Plug)
    Amazon.com
    $26.98
    Upgraded Digital Non-Programmable Thermostat For Home 1 Heat/1 Cool Single Stage System, With Temperature & Humidity Monitor And Large Blue LCD
    Amazon.com
    $26.98
    Upgraded Digital Non-Programmable Thermostat For Home 1 Heat/1 Cool Single Stage System, With Temperature & Humidity Monitor And Large Blue LCD
    Amazon.com
    $17.56
    Digital Humidity Controller 12V-240V With Sensor For Humidifier Dehumidifier
    Amazon.com
    Free shipping
    $17.56
    Digital Humidity Controller 12V-240V With Sensor For Humidifier Dehumidifier
    Amazon.com
    Free shipping
    $99.00
    AC Infinity Controller 69 PRO, Smart Environmental Controller With Temperature, Humidity, VPD, Timer, Cycle, Schedule Controls, For Grow Tent Cooling
    Amazon.com
    379
    Free shipping
    $99.00
    AC Infinity Controller 69 PRO, Smart Environmental Controller With Temperature, Humidity, VPD, Timer, Cycle, Schedule Controls, For Grow Tent Cooling
    Amazon.com
    379
    $59.99
    Inkbird Digital Wi-Fi Humidity Controller IHC-200 Dual Outlet Pre-Wired Humidistat For Mushroom Growing Curing Meat Reptile Greenhouse Support
    Amazon.com
    Free shipping
    $59.99
    Inkbird Digital Wi-Fi Humidity Controller IHC-200 Dual Outlet Pre-Wired Humidistat For Mushroom Growing Curing Meat Reptile Greenhouse Support
    Amazon.com
    Free shipping
    $39.99
    SENSTREE Digital Temperature Humidity Controller Pre-Wired Outlets For Mushroom, Reptile, Heating/Cooling On Outlet 1, Humidifier/Dehumidifier On
    Amazon.com
    Free shipping
    $39.99
    SENSTREE Digital Temperature Humidity Controller Pre-Wired Outlets For Mushroom, Reptile, Heating/Cooling On Outlet 1, Humidifier/Dehumidifier On
    Amazon.com
    Free shipping
    $79.99
    AC Infinity Controller 75 PRO, Wifi Outlet Controller, Independent Programs For Two Devices, Desktop Digital Thermostat With Temperature, Humidity,
    Amazon.com
    Free shipping
    $79.99
    AC Infinity Controller 75 PRO, Wifi Outlet Controller, Independent Programs For Two Devices, Desktop Digital Thermostat With Temperature, Humidity,
    Amazon.com
    Free shipping
    $99.00
    AC Infinity Outlet AI+, Environment Controller, Smart Wifi Power Strip, Dual-Zone Temperature Humidity, Individual Control 8 Plugs, AI Targeting,
    Amazon.com
    Free shipping
    $99.00
    AC Infinity Outlet AI+, Environment Controller, Smart Wifi Power Strip, Dual-Zone Temperature Humidity, Individual Control 8 Plugs, AI Targeting,
    Amazon.com
    Free shipping
    $359.00
    AC Infinity Air Filtration PRO Kit 8", Inline Fan, Temperature Humidity VPD Controller With Wifi App Control, Carbon Filter, Ducting, Ventilation
    Amazon.com
    Free shipping
    $359.00
    AC Infinity Air Filtration PRO Kit 8", Inline Fan, Temperature Humidity VPD Controller With Wifi App Control, Carbon Filter, Ducting, Ventilation
    Amazon.com
    Free shipping
    $29.77
    VIVOSUN Humidity Controller, 1200W Dual-Stage Outlet, Pre-Wired Digital Humidistat With Dual LED Displays For Humidifier/Dehumidifier/Fan, Ideal For
    Amazon.com
    $29.77
    VIVOSUN Humidity Controller, 1200W Dual-Stage Outlet, Pre-Wired Digital Humidistat With Dual LED Displays For Humidifier/Dehumidifier/Fan, Ideal For
    Amazon.com