HVAC Controls

Increase energy savings and easily control heating and cooling systems with HVAC controls. Utilize easy-to-install fresh air ventilation panels, furnace control boards, HVAC control boards, building automation panels, and kits to introduce clean air into buildings. Control multiple aspects of a system with highly universal digital controls. Also, shop our selection of replacement parts for controllers and larger equipment, defrost controllers, even fireplace controls. Our specialty controls selection addresses unique problems that push the boundaries of innovation within the industry. If you are a contractor check out items like the Wireless Lodge Watch from iO HVAC Controls or the Duel Fuel Kit.

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Showing 1153–1200 of 5125 resultsSorted by popularity

Room Temperature, Relative Humidity & CO2 Sensor

Belimo

SKU: 22RTM-5X900A
$392.27
MSRP: $451.11
You save 13%
Belimo 22RTM-5X900A Room Temperature, Humidity & CO2 Sensor quantity
24V AC/DC Room Temperature Sensor for HVAC Control

Belimo

SKU: 22RT-5900A
$109.94
MSRP: $126.43
You save 13%
Belimo 22RT-5900A 24V AC/DC Room Temperature Sensor quantity
2″ NPT Pressure-Independent Flow Meter, 91.2 GPM, 24V

Belimo

SKU: 22PF-5UHH
$1,327.38
MSRP: $1,526.49
You save 15%
Belimo 22PF-5UHH 2" NPT Pressure-Independent Flow Meter 91.2 GPM 24V quantity
0-10PPM BACnet SPDT CAN Bus CO2 Sensor

Belimo

SKU: 22G14-5B
$607.96
MSRP: $699.15
You save 15%
Belimo 22G14-5B 0-10PPM BACnet SPDT CAN Bus CO2 Sensor quantity
Gas Monitor, 0-10 PPM Detection Range, 2 SPDT Aux Outputs

Belimo

SKU: 22G0214-5B
$808.26
MSRP: $929.50
You save 13%
Belimo 22G0214-5B Gas Monitor 0-10 PPM with 2 SPDT Auxiliary Outputs quantity
Gas Monitor for CO and NO with Auxiliary Output

Belimo

SKU: 22G0214-5A
$882.26
MSRP: $1,014.60
You save 13%
Belimo 22G0214-5A Gas Monitor for CO and NO with Auxiliary Output quantity
Gas Monitor for Reliable Gas Detection & Safety

Belimo

SKU: 22G02-5B
$548.82
MSRP: $631.14
You save 15%
Belimo 22G02-5B Gas Monitor quantity
CO Gas Monitor with CAN Bus BACnet Communication

Belimo

SKU: 22G02-5A
$615.56
MSRP: $707.89
You save 13%
Belimo 22G02-5A CO Gas Monitor with CAN Bus BACnet Communication quantity
Duct Humidity & Temperature Sensor, 4-20mA Output

Belimo

SKU: 22DTH-53M
$225.23
MSRP: $259.01
You save 13%
Belimo 22DTH-53M Duct Humidity & Temperature Sensor, 4-20mA quantity
Duct Humidity & Temperature Sensor, 0-5V / 0-10V Outputs

Belimo

SKU: 22DTH-51ML
$223.87
MSRP: $257.45
You save 15%
Belimo 22DTH-51ML Duct Humidity & Temperature Sensor 0-5V / 0-10V quantity
Duct Humidity & Temperature Sensor, 0-5V / 0-10V Output

Belimo

SKU: 22DTH-51M
$225.23
MSRP: $259.01
You save 13%
Belimo 22DTH-51M Duct Humidity & Temperature Sensor, 0-5V / 0-10V Output quantity
Duct CO2 Sensor with 4-20mA Output

Belimo

SKU: 22DC-53
$388.15
MSRP: $446.37
You save 13%
Belimo 22DC-53 Duct CO2 Sensor with 4-20mA Output quantity
Differential Pressure Sensor, 0-1 In. WC Range, 4-20mA Output

Belimo

SKU: 22ADP-58Q
$215.47
MSRP: $247.79
You save 13%
Belimo 22ADP-58Q Differential Pressure Sensor 0-1 In. WC 4-20mA quantity
Screw Kit for LRA to CCV M4/M5 Actuator Mounting

Belimo

SKU: 13131-00001
$0.91
MSRP: $1.05
You save 15%
Read more
Outdoor Temperature Sensor, Passive NTC10k3, 5m Cable

Belimo

SKU: 01UT-5M
$32.99
MSRP: $37.94
You save 15%
Belimo 01UT-5M Outdoor Temperature Sensor Passive NTC10k3 quantity
Outdoor Temperature Sensor, Passive NTC10k

Belimo

SKU: 01UT-5L
$32.54
MSRP: $37.42
You save 15%
Belimo 01UT-5L Outdoor Temperature Sensor Passive NTC10k quantity
Duct Averaging Temperature Sensor with 20′ Probe

Belimo

SKU: 01MT-5L5
$174.05
MSRP: $200.16
You save 15%
Belimo 01MT-5L5 Duct Averaging Temperature Sensor 20' Probe quantity
12″ Passive NTC10K Duct Temperature Sensor

Belimo

SKU: 01DT-5MR
$21.37
MSRP: $24.58
You save 13%
Read more
Passive NTC10k3 Temperature Sensor, 8″ Immersion

Belimo

SKU: 01DT-5MP
$21.37
MSRP: $24.58
You save 13%
Belimo 01DT-5MP Passive NTC10k3 Temperature Sensor 8" Immersion quantity
Passive NTC10k3 Temperature Sensor, 4″ Immersion

Belimo

SKU: 01DT-5ML
$21.37
MSRP: $24.58
You save 13%
Belimo 01DT-5ML Passive NTC10k3 Temperature Sensor 4" Immersion quantity
Passive NTC10k Temperature Sensor with 8″ Probe

Belimo

SKU: 01DT-5LP
$21.37
MSRP: $24.58
You save 13%
Read more
Passive NTC10k Temperature Sensor, 6″ Duct Probe

Belimo

SKU: 01DT-5LN
$21.90
MSRP: $25.19
You save 15%
Belimo 01DT-5LN Passive NTC10k Temperature Sensor, 6" Duct Probe quantity
Passive NTC10k Temperature Sensor, 4″ Immersion

Belimo

SKU: 01DT-5LL
$21.90
MSRP: $25.19
You save 13%
Belimo 01DT-5LL Passive NTC10k Temperature Sensor 4" Immersion quantity
Passive NTC10k Temperature Sensor, 2″ Immersion

Belimo

SKU: 01DT-5LH
$21.90
MSRP: $25.19
You save 13%
Belimo 01DT-5LH Passive NTC10k Temperature Sensor, 2" Immersion quantity
Cable Temperature Sensor, 2m 2-Wire Cable

Belimo

SKU: 01CT-5LH
$21.45
MSRP: $24.67
You save 13%
Belimo 01CT-5LH Cable Temperature Sensor, 2m 2-Wire Cable quantity
Differential Pressure Switch, 0.08–1.20 In. WC Range

Belimo

SKU: 01APS-50R
$50.19
MSRP: $57.72
You save 13%
Belimo 01APS-50R Differential Pressure Switch 0.08-1.20 In. WC quantity
Differential Pressure Switch, 0.8–4 In. WC

Belimo

SKU: 01APS-501
$50.19
MSRP: $57.72
You save 13%
Belimo 01APS-501 Differential Pressure Switch, 0.8–4 In. WC quantity
Packing Nut, Gland Assembly — Valve Stem Seal Component

Schneider Electric

SKU: YBA-652-2
$198.24
MSRP: $227.98
You save 15%
Schneider Electric (Barber Colman) YBA-652-2 Packing Nut, Gland Assembly quantity
VAV Series 8000 Room Controller

Schneider Electric

SKU: VZ8250U5000B
$381.08
MSRP: $438.24
You save 13%
Schneider Electric (Barber Colman) VZ8250U5000B VAV Series 8000 Room Controller quantity
Programmable RTU Central Controller, 2H/2C, IAQ, BACnet

Schneider Electric

SKU: VZ7656R1031B
$743.25
MSRP: $854.74
You save 15%
Read more
Central Controller, 2 Heat/2 Cool, Programmable RTU, BACnet

Schneider Electric

SKU: VZ7656E1031B
$776.73
MSRP: $893.24
You save 13%
Read more
BACnet Zone Controller for Commercial HVAC Applications

Schneider Electric

SKU: VZ7260F5031B
$391.50
MSRP: $450.23
You save 13%
Schneider Electric (Barber Colman) VZ7260F5031B BACnet Zone Controller quantity
Line Voltage Fan Coil Unit BACnet Thermostat with PIR & Humidity

Schneider Electric

SKU: VTR8350A5500B
$422.09
MSRP: $573.08
You save 26%
Schneider Electric (Barber Colman) VTR8350A5500B Line Voltage FCU BACnet PIR Humidity Thermostat White quantity
Line Voltage Fan Coil BACnet Thermostat with Humidity Sensing, White

Schneider Electric

SKU: VTR8350A5000B
$332.86
MSRP: $382.79
You save 15%
Schneider Electric (Barber Colman) VTR8350A5000B Line Voltage FCU BACnet Thermostat with Humidity, White quantity
Indoor Air Quality Controller with Zigbee Wireless Communication

Schneider Electric

SKU: VT8650U5500BP
$820.40
MSRP: $943.46
You save 13%
Schneider Electric (Barber Colman) VT8650U5500BP Indoor Air Quality Controller w/Zigbee quantity
Low Voltage Fan Coil & Zone Controller, BACnet MS/TP, RH Sensor

Schneider Electric

SKU: VT8350U5000B
$541.98
MSRP: $623.28
You save 13%
Schneider Electric VT8350U5000B Low Voltage Fan Coil & Zone Controller, BACnet MS/TP quantity
RFTP 2H/2C Programmable Humidity & Dehumidify Thermostat

Schneider Electric

SKU: VT7657B5031
$301.96
MSRP: $347.25
You save 13%
Schneider Electric VT7657B5031 RFTP 2H/2C Programmable Humidity/Dehumidify Thermostat quantity
Programmable Fan Coil Thermostat 2H/2C with Economizer & LON

Schneider Electric

SKU: VT7656B5531E
$623.39
MSRP: $716.90
You save 13%
Schneider Electric VT7656B5531E Programmable Fan Coil Thermostat 2H/2C Econ LON quantity
Rooftop Unit & Heat Pump Controller, BACnet MS/TP, 2H/2C, PIR Ready

Schneider Electric

SKU: VT7656B5031B
$311.04
MSRP: $357.70
You save 13%
Schneider Electric VT7656B5031B Rooftop Unit & Heat Pump Controller BACnet MS/TP quantity
3H/2C Programmable Heat Pump Thermostat with Auto Changeover

Schneider Electric

SKU: VT7652H5531E
$571.94
MSRP: $657.73
You save 15%
Schneider Electric (Barber Colman) VT7652H5531E 3H/2C Programmable Heat Pump Thermostat quantity
Heat Pump Controller 3H/2C Thermostat

Schneider Electric

SKU: VT7652H5531B
$530.24
MSRP: $609.78
You save 15%
Schneider Electric (Barber Colman) VT7652H5531B Heat Pump Controller 3H/2C quantity
BACnet-Enabled Commercial Room Thermostat

Schneider Electric

SKU: VT7652H5031B
$384.33
MSRP: $441.98
You save 15%
Schneider Electric (Barber Colman) VT7652H5031B BACnet-Enabled Commercial Room Thermostat quantity
3H/2C Multi-Stage HVAC Controller for Commercial Systems

Schneider Electric

SKU: VT7652H5031
$187.69
MSRP: $215.84
You save 13%
Schneider Electric (Barber Colman) VT7652H5031 3H/2C Multi-Stage Controller quantity
Programmable Rooftop Controller, 0-10VDC Output, 1 Heat / 2 Cool

Schneider Electric

SKU: VT7652F5031
$254.70
MSRP: $292.91
You save 15%
Schneider Electric VT7652F5031 Programmable Rooftop Controller 0-10VDC 1H/2C quantity
2H/2C LON Programmable Commercial Thermostat

Schneider Electric

SKU: VT7652B5531E
$571.94
MSRP: $657.73
You save 15%
Schneider Electric (Barber Colman) VT7652B5531E 2H/2C LON Programmable Thermostat quantity
Wireless Programmable Thermostat, 2-Heat/2-Cool

Schneider Electric

SKU: VT7652B5031B
$384.33
MSRP: $441.98
You save 15%
Schneider Electric VT7652B5031B Wireless Programmable Thermostat 2H/2C quantity
Programmable Thermostat, 2 Heat / 2 Cool

Schneider Electric

SKU: VT7652B5031
$220.18
MSRP: $253.21
You save 15%
Schneider Electric (Barber Colman) VT7652B5031 Programmable Thermostat 2H/2C quantity
Hotel Fan Coil Echelon 0-10VDC Thermostat with Humidity Control

Schneider Electric

SKU: VT7355F5531E
$702.21
MSRP: $807.54
You save 13%
Schneider Electric VT7355F5531E Hotel Fan Coil Echelon 0-10VDC Thermostat w/Humidity quantity