Thermostat Accessories

Maximize the performance of your thermostat with essential accessories designed to enhance comfort and ease of use. Our selection of thermostat accessories helps protect against tampering, improves functionality, and streamlines operation for both homes and commercial buildings. Explore a wide range of wall mounts, protective guards, adapters, and more to elevate your space’s comfort and efficiency. Shop our collection today to find the perfect thermostat accessories to fit your needs!

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Showing 1–48 of 201 resultsSorted by popularity

Non-Plenum Thermostat Wire – 18/8 High-Performance Low-Voltage Cable

Genesis

SKU: 18/8-TW

Rated 5.00 out of 5
Price range: $21.88 through $1,114.55
Select options
This product has multiple variants. The options may be chosen on the product page
18 AWG 10C Solid Thermostat Cable, White 250ft Reel

Genesis

SKU: TW-18/10

Rated 5.00 out of 5
$152.59
MSRP: $175.48
You save 15%
Genesis TW-18/10 (47180307) Non-Plenum Rated Thermostat Wire in 250ft Roll quantity
UWP Mounting System for T-Series Thermostats

Resideo

SKU: 32321051-001
$4.96
Honeywell 32321051-001 UWP Mounting System for T-Series Thermostats quantity
Outdoor Temperature Sensor for T-32-P and UT32 Thermostats

iO HVAC Controls

SKU: T-OTS

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Black Wallplate for Sensi Touch 2 and Sensi Lite Thermostats

White-Rodgers

SKU: SA6B
$5.24
MSRP: $6.03
You save 15%
White-Rodgers SA6B Black Thermostat Wallplate For Sensi Touch 2 & Sensi Lite quantity
Remote Hardwired Outdoor Temperature Sensor

Resideo

SKU: C7089U1006
$33.63
Honeywell C7089U1006 Hardwired Outdoor Remote Sensor quantity
Remote Hardwired Indoor Temperature Sensor

Resideo

SKU: C7189U1005

Rated 5 out of 5
$39.01
Honeywell C7189U1005 Hardwired Indoor Remote Sensor quantity
Wall Plate for Sensi Thermostats

White-Rodgers

SKU: F61-2663

Rated 5.00 out of 5
$5.51
MSRP: $11.42
You save 52%
White-Rodgers F61-2663 Wall Plate for Sensi Thermostats quantity
18 AWG 8C Solid Plenum Thermostat Cable, 250ft Reel

Genesis

SKU: TWP-18/8

Rated 5.00 out of 5
$159.99
MSRP: $183.99
You save 15%
Genesis TWP-18/8 (47660312) Plenum-Rated Thermostat Wire in 250ft Roll quantity
Equipment Interface Module for T10+

Resideo

SKU: THM04R3000
$156.00
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RedLINK Enabled Wireless Indoor Air Sensor

Resideo

SKU: C7189R1004

Rated 5.00 out of 5
$56.14
Honeywell C7189R1004 RedLINK Wireless Indoor Sensor, Temp and Humidity quantity
RedLINK Internet Gateway for Thermostats

Resideo

SKU: THM6000R7001

Rated 4.17 out of 5
$91.10
Honeywell THM6000R7001 RedLINK Internet Gateway for Thermostats quantity
Sale!
Non-Plenum Thermostat Wire – 18/3 High-Performance Low-Voltage Cable

Genesis

SKU: 18/3-TW
Price range: $16.16 through $329.63
Select options
This product has multiple variants. The options may be chosen on the product page
Universal Thermostat Guard with Clear Cover

White-Rodgers

SKU: F29-0198
$18.50
MSRP: $37.63
You save 51%
White-Rodgers F29-0198 Universal Thermostat Guard with Clear Cover quantity
T-S1 Indoor Remote Temperature Sensor

iO HVAC Controls

SKU: T-S1

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RedLINK 3.0 indoor sensors for T10+ (2-Pack)

Resideo

SKU: C7189R3002-2

Rated 5 out of 5
$102.35
Honeywell Home C7189R3002-2 RedLINK 3.0 Indoor Sensors for T10+ (2-Pack) quantity
Junction Box Adapter Plate for Thermostats

ecobee

SKU: ADAPTPLATEBX-02
$13.49
MSRP: $15.51
You save 15%
ecobee Junction Box For ecobee SmartThermostat Pro, ecobee4, ecobee3 lite quantity
Sale!
Non-Plenum Thermostat Wire – 18/5 High-Performance Low-Voltage Cable

Genesis

SKU: 18/5-TW

Rated 5.00 out of 5
Price range: $21.19 through $730.24
Select options
This product has multiple variants. The options may be chosen on the product page
RedLINK Wireless Outdoor Sensor, 5 Year Battery

Resideo

SKU: C7089R1013

Rated 5 out of 5
$74.50
Honeywell C7089R1013 RedLINK Wireless Outdoor Sensor quantity
Resideo CHW3610W8001 L1 Wi-Fi Water Leak Detector

Resideo

SKU: CHW3610W8001
$54.16
Resideo CHW3610W8001 L1 Wi-Fi Water Leak Detector (Single Pack) quantity
Non-Plenum Thermostat Wire – 18/4 High-Performance Low-Voltage Cable

Genesis

SKU: 18/4-TW
Price range: $69.72 through $74.13
Select options
This product has multiple variants. The options may be chosen on the product page
Wallplate for Sensi Touch 2 Thermostat – White

White-Rodgers

SKU: SA6W
$5.24
MSRP: $6.03
You save 15%
Copeland SA6W Thermostat Wallplate For Sensi Touch 2 & Sensi Lite Thermostats quantity
RedLINK Equipment Interface Module (EIM)

Resideo

SKU: THM5421R1021

Rated 5.00 out of 5
$91.55
Honeywell THM5421R1021 RedLINK Equipment Interface Module (EIM) quantity
18 AWG 2C Str Shielded Plenum, Natural, 1000ft Reel-in-Box

Genesis

SKU: TSP-18/2
$229.37
MSRP: $263.78
You save 15%
Genesis TSP-18/2 (32142112) Twisted, Shielded, Plenum-Rated Wire, 1000ft quantity
Cover Plate for T-Series Thermostats

Resideo

SKU: THP2400A1080
$17.00
Honeywell THP2400A1080 Cover Plate for T-Series Thermostats quantity
Non-Plenum Thermostat Wire – 18/2, High-Performance Low-Voltage Cable

Genesis

SKU: 18/2-TW

Rated 5.00 out of 5
Price range: $15.16 through $80.79
Select options
This product has multiple variants. The options may be chosen on the product page
Equipment Interface Module Kit with 2 duct sensors

Resideo

SKU: YTHM5421R1010
$104.99
Honeywell YTHM5421R1010 RedLINK Equipment Interface Module, 2 Sensors quantity
Medium Cover Plate & J-Box Adaptor for TSeries Thermostats

Resideo

SKU: THP2400A1075
$3.09
Honeywell THP2400A1075 Medium Cover Plate & J-Box Adaptor for T1, T4, & T6 Series Thermostats quantity
Non-Plenum Thermostat Wire – 18/6 High-Performance Low-Voltage Cable

Genesis

SKU: 18/6-TW
Price range: $25.67 through $860.56
Select options
This product has multiple variants. The options may be chosen on the product page
16″ Ionizing Wire for Electric Air Cleaners

Honeywell Home

SKU: 136434BA
$13.48
Read more
WP-T Wall Plate for T32P Thermostats

iO HVAC Controls

SKU: WP-T

$14.04Add to Cart for Savings

iO HVAC Controls WP-T Wall Plate for T32P Thermostats quantity
Wall Plate for Prestige IAQ Thermostats, White

Resideo

SKU: THP2400A1027W
$16.09
Honeywell THP2400A1027W Wall Plate for Prestige IAQ Thermostats, White quantity
RedLINK Outdoor Temperature And Humidity Sensor For T10+

Resideo

SKU: C7089R3013
$97.50
Honeywell Home C7089R3013 RedLINK Outdoor Temperature And Humidity Sensor For T10+ quantity
Power Connector, C-Wire Substitute

Nest

SKU: GGA02493US
$19.99
MSRP: $22.99
You save 15%
Google Nest GGA02493US Power Connector, C-Wire Substitute quantity
Universal Thermostat Wall Plate Cover, White

Pro1 IAQ

SKU: T119
$6.28
PRO1 T119 Universal Thermostat Wall Plate Cover, White quantity
Sale!
Wall Plate for Comfort-Set Thermostats with Adaptor Plate

White-Rodgers

SKU: WP80
Original price was: $6.00.Current price is: $5.99.
MSRP: $14.78
You save 59%
White-Rodgers F61-2500 80-Series Thermostat Wall Plate with Adaptor quantity
Universal Thermostat Guard, Clear

Resideo

SKU: TG511A1000
$37.67
Honeywell TG511A1000 Universal Thermostat Guard, Clear quantity
2-Pack Smart Sensor Motion Detector in White

ecobee

SKU: EB-RSHM2PK-01

Rated 4.50 out of 5
$99.99
ecobee EB-RSHM2PK-01 SmartSensor in White, 2-Pack quantity
Outdoor Temperature Sensor, Detects Ambient Temperature

iO HVAC Controls

SKU: ZP3-OTS

$29.63Add to Cart for Savings

iO HVAC Controls ZP3-OTS Outdoor Temperature Sensor for the ZP3-HPS quantity
18 AWG 4C Str Shielded Plenum, 1000ft Reel-in-Box

Genesis

SKU: TSP-18/4
$321.22
MSRP: $369.40
You save 15%
Genesis TSP-18/4 (32152112) Twisted, Shielded, Plenum-Rated Wire, 1000ft quantity
Comfort System Dual Indoor Remote Sensor

iO HVAC Controls

SKU: T-S2

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Sale!
Wall Plate for Comfort-Set 90 Blue Touchscreen Series Stats

White-Rodgers

SKU: WP90-blue
Original price was: $15.99.Current price is: $6.47.
MSRP: $20.10
You save 68%
White-Rodgers F61-2600 Wall Cover Plate for the 90 Series Thermostats quantity
18 AWG 4C Solid Plenum Thermostat Cable, 250ft Reel

Genesis

SKU: TWP-18/4
$81.82
MSRP: $94.09
You save 15%
Genesis TWP-18/4 (47620312) Plenum-Rated Thermostat Wire in 250ft Roll quantity
ecobee EB-PEK2-01 Power Extender Kit For Homes Without A C Or Common Wire

ecobee

SKU: EB-PEK2-01
$24.99
ecobee EB-PEK2-01 Power Extender Kit For Homes Without A C Or Common Wire quantity
Wire Saver C-Wire Power Adapter for Smart or RedLINK 8000 Thermostats

Resideo

SKU: THP9045A2098
$32.44
Honeywell THP9045A2098 Wire Saver C-Wire Power Adapter with magnetic mount for Smart Thermostats or RedLINK 8000 series models quantity
Remote Indoor Temperature Sensor for 5300 and 5400 Thermostats

Braeburn

SKU: 5390
$17.67
MSRP: $20.32
You save 15%
Braeburn 5390 Remote Indoor Temperature Sensor, Contemporary Design quantity
Outdoor Temperature Sensor for the ZP Zone Panels

iO HVAC Controls

SKU: ZPA-OTS

$31.89Add to Cart for Savings

iO HVAC ZPA-OTS Outdoor Temperature Sensor for the ZP Zone Panels quantity
18 AWG 5C Solid Plenum Thermostat Cable, 250ft Reel

Genesis

SKU: TWP-18/5
$86.27
MSRP: $99.21
You save 13%
Genesis TWP-18/5 (47630312) Plenum-Rated Thermostat Wire in 250ft Roll quantity