The Best Idevices Thermostat Wire Adapter of 2021 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Idevices Thermostat Wire Adapter of 2021. Check our ranking below.

2,883 Reviews Scanned

Rank No. #1
iDevices Wire Adapter for iDevices Thermostat
  • Works with most 24VAC systems with at least 3 physical wires running to the thermostat
  • Installs next to furnace or HVAC system and frees up an extra wire to be used for the "C" Common wire
  • Only available for shipping addresses in the U.S. And Canada
  • Country of Origin: China
Rank No. #2
24 Volt Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Nest Hello Skybell August Doorbell (White)
  • 24V C WIRE POWER ADAPTER: plugs into your standard 110 v/120 v outlet and converts to 24 volt AC current
  • 24 VOLT TRANSFORMER FOR THERMOSTAT AND DOORBELL: powers up smart thermostats for (Nest, Ecobee, Honeywell, Emerson Sensi, Hive, etc.) and doorbells (Ring, Nest Hello, Skybell, August) that require 24 volt power for operation
  • UL certified: UL certification passed, stable and durable operation 24V transformer
  • EASY INSTALLATION: 2 pin non-polarity wires support easy and quick install, 23 ft cable is long enough to plug it into an electrical outlet inside or outside your house
  • PACKING LIST: 1 x C wire adapter, 1 bag (50 pieces) of cable clips; Note: Please add a 50W Watt 25 Ohm Resistor if you use this transformer to power a doorbell. The brand mentioned above is just for demonstrating compatibility
SaleRank No. #3
24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell ,Ecobee,Nest and Sensi Smart WiFi Thermostat Pro(25Foot /7.6M Cable)
  • HOME USE: Plug the transformer into your standard 120V outlets and converts to 24volt AC current.
  • SUPPORTED DEVICES: The 24v power adapter can not only power for popular smart thermostats such as Nest, Honeywell, Ecobee, Hive, Emerson Sensi, but also can convert to 24 volt AC current for other devices that require 24v current for operation.
  • TECHNICAL SPECIFICATIONS: input voltage is 120 V AC, 60 Hz; Output voltage is 24 V, 300mA/AC
  • INSTALLATION :To prevent no power output, you must ensure that the terminals are stripped and securely clamp the screw terminals into the thermostat to maintain good contact,2pin non-polarity wires to ensure easy and error free installation for installers of all skill levels and knowledge bases,If your wiring is complicated, please ask a professional electrician for help.
  • EXTRA LONG CABLE: 7.6M (25ft) long cable enables you to install the cable along the wall and connect to the electrical outlet inside or outside.For Nest E connected this adapter to C and R pins (R also having the HVAC's Red line connected),For Nest Learning Thermostat,3rd generation connected adapter to the Cand RC pins
Rank No. #4
LANMU C Wire Adapter Compatible with Google Nest Thermostat/Learning Thermostat,Wyze Thermostat , Honeywell, Ecobee and Emerson Sensi Thermostat, 24 Volt Transformer, UL Certified (16.4ft/5m)
  • C-Wire Transformer: LANMU AC24V C-Wire Power Adapter plugs into your standard 110v outlet and converts to 24VAC current, power your equipment, perfectly compatible with Google Nest Thermostat(new model),Nest Learning Thermostat,Wyze Thermostat,Honeywell, Emerson Sensi,ecobee3, ecobee4,Emerson Sensi WiFi Smart Thermostat and other Wi-Fi Smart Thermostats that require constant 24 volt power for operation.
  • 24v Power Supply Thermostat: Connect your Honeywell Smart Wifi Thermostat and Power your Honeywell Smart Wifi Thermostat,sprinkler systems and other devices that require constant AC24V power for operation.
  • Easy To Install:It's the most simple and convenient to install any pin to the "C" terminal and "RC" terminal (in furnace/boiler only wiring setups), plug adapter into outlet and power up.
  • Long Cable:Our cable is 16.4 feet long and you don not worry about the distance between the socket and the Honeywell Smart Wifi Thermostat.
  • Security and Guarantee: LANMU AC24V C-Wire Power Adapter is UL Certified,can help Honeywell Smart Wifi Thermostat and other devices that require constant 24 volt power for operation. We offer 1 Years Warranty and satisfactory customer service, making sure the risk-free shopping for you.
SaleRank No. #5
Southwire 64169622 5 Conductor 18/5 Thermostat Wire, 18-Gauge Solid Copper Class 2 Power-Limited Circuit Cable, 50-Feet, Brown
  • Rated 150-Volt
  • Sunlight resistant (-20-Degree C to 60-Degree C)
  • 18 gauge copper conductors
  • Green compliant RoHS
  • Made in the U.S.A.
Rank No. #6
Venstar ACC0410 Add-A-Wire Accessory for All 24 VAC Thermostats (4 to 5 Wires), White
  • In applications where additional wiring cannot be run, the Add-A-Wire accessory can be used to add a wire to the thermostat. C-Wire Terminal is required
  • Great for installations with a broken “common” wire or retrofits.
  • Easy to install, Easier than running new wire.
  • Allows 5 wire thermostats to use only 4 wires. Also allows 5 wires to work like 6 wires.
  • Compatible with Venstar ColorTouch, Explorer, Explorer Mini, Slimline, Small Series, FlatStat, and Value Series thermostats.
SaleRank No. #7
iDevices IDEV0005AND5 FBA_2843481 Wi-Fi Smart Thermostat, Works with Alexa, White (Package May Vary)
  • COMPATIBILITY: Works with most heating and cooling systems; all systems require a 24VAC "Common" wire for power. All system types require a common wire (C-Wire). To check system and router compatibility, refer to iDevices support portal. iDevices Connected app compatible with iOS and Android devices — is required for Thermostat setup.
  • VOICE CONTROL: Responds to Alexa, Siri, and Google Assistant voice commands (voice assistant devices sold separately)
  • ACCESS ANYWHERE: Control and monitor the iDevices Thermostat from anywhere using any iOS/Android device and the iDevices Connected app
  • NO HUB REQUIRED: With the iDevices Thermostat, a home Wi-Fi network and a smart phone/tablet are all that's required to get started. For additional compatibility details, refer to the iDevices support portal
  • 2-YEAR WARRANTY: Backed by a 2-year limited warranty and U.S.-based customer experience team
SaleRank No. #8
24 Volt Transformer, C Wire Adapter Thermostat, Competible with All Versions of Ring Doorbell and Thermostat for Nest Ecobee, Sensi and Honeywell, 315" Long Cable 24V Transformer
  • WIDELY USE: US power cable Powers your popular smart thermostats((Nest, Ecobee, Honeywell, Sensi) and doorbells(Ring Video Doorbell, Ring Video Doorbell 2 & Ring Video Doorbell Pro,Nest Skybell , etc.) and other devices that require constant 24 volt power for operation, enables you to charge your devices safely.
  • EASY TO USE:Assemble along the wall from your outlet to the doorbell and thermostat without the existing doorbell or wiring. Easy installation and be able to set up in minutes.
  • LONG CABLE:Our cable is 8M(315 inch) long and you do not worry about the distance between the socket and the Honeywell Smart Wifi Thermostat. This allows you to easily plug it into an electrical outlet inside or outside your house.
  • SAFE AND CONVENIENT :Our battery backup has gotten certificate. A quick fix to the problem of "Low batter" you can charge it directly(plug adapter into outlet and power up). that means you don't need to remove your honeywell thermostat in order to charge up the battery.With an AC output of 24V/500mA, a perfect tool to meet your needs.
  • CUSTOMERS:WHAT YOU GET- 1. High quality accessory 2. 180 Days money-back 3 . Professional customer service. VIIVRIA has a professional team which has been specialized in designing and manufacturing transformers for a few years, improving technologies to meet consumers' needs.
Rank No. #9
C Wire Adapter for Thermostats 24 Volt Transformer Compatible with Nest Honeywell Ecobee Emerson Sensi Smart WiFi Thermostat (White)
  • 【24V C wire power adapter for thermostat】: plugs into your standard 110v/ 120v outlet and converts to 24V, 500mA/AC
  • 【Designed for thermostats power supply】: widely applied for thermostats, powers up smart thermostats for Nest, Ecobee, Honeywell, Emerson Sensi, Hive, etc.; Charge for thermostats directly, without needing to remove your thermostats to charge up the battery, convenient and practical to solve the problem of "thermostats low battery"
  • 【UL certified】: UL certification passed, stable and durable 24V transformer for thermostats
  • 【Easy installation】: 2 pin non-polarity wires support easy and quick install, 23 ft cable is long enough to plug it into an electrical outlet inside or outside your house
  • 【Packing list】: 1 x C wire adapter, 1 bag (50 pieces) of cable clips; The brand mentioned above is just for demonstrating compatibility
SaleRank No. #10
GLAS Smart Thermostat by Johnson Controls, Translucent OLED Touchscreen, Wi-Fi, Mobile App, Works with Amazon Alexa
  • Indoor air quality monitoring including humidity, total VOCs and equivalent CO2
  • Outdoor air quality reporting including allergens, air quality index and UV index. Compatability GLAS can control the following types of split or packaged units- Conventional, single stage up to 2H/2C, Heat pump, up to 2H/2C/2 Aux Heat. GLAS is compatible with the following HVAC configurations- Gas Heat, Oil Heat,Electric Heat,Ground-, Air-, and Water-source heat pumps, Dual-fuel support for Heat Pump
  • Works with Amazon Alexa and the Google Assistant
  • Beautiful user interface and a translucent OLED touchscreen
  • Program your own schedule or allow GLAS to do it for you using the integrated occupancy sensor to create a comfortable space when you are at home

Last update on 2021-07-31 / Affiliate links / Images from Amazon Product Advertising API

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