Best Smart Thermostat No C Wire – Today’s Price

1Amazon Smart Thermostat with C-Wire Power Adapter Top Pick

Amazon Smart Thermostat with C-Wire Power Adapter

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2MoesGo Programmable WiFi Smart Thermostat for Home, No C-Wire Required ... Best Quality

MoesGo Programmable WiFi Smart Thermostat for Home, No C-Wire Required …

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3Google Nest Power Connector - Nest Thermostat C Wire Adapter ... Recommended

Google Nest Power Connector – Nest Thermostat C Wire Adapter …

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424Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart ...

24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart …

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5Honeywell Home RTH6580WF Wi-Fi 7-Day Programmable Thermostat with C-Wire Adapter

Honeywell Home RTH6580WF Wi-Fi 7-Day Programmable Thermostat with C-Wire Adapter

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624 Volt Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, ...

24 Volt Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, …

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7Xwartre UL Certified Thermostat C Wire 24V Transformer, White Adapter ...

Xwartre UL Certified Thermostat C Wire 24V Transformer, White Adapter …

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8EMERSON Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, ...

EMERSON Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, …

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9Honeywell Home RCHT8610WF T5 Smart Thermostat Energy Star Wi-Fi Programmable ...

Honeywell Home RCHT8610WF T5 Smart Thermostat Energy Star Wi-Fi Programmable …

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1024Volt Doorbell Transformer, C - Wire Adapter Thermostat, Compatible with ...

24Volt Doorbell Transformer, C – Wire Adapter Thermostat, Compatible with …

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Review of Best Smart Thermostat No C Wire

Top Pick

Amazon Smart Thermostat with C-Wire Power Adapter

1. Amazon Smart Thermostat with C-Wire Power Adapter

  • Brand: Amazon

Features

  • This bundle includes Amazon Smart Thermostat and C-Wire Power Adapter.
  • Smart upgrade – Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.
  • Save money – After purchase, Amazon will send you an email with details about rebates that may be available from energy providers in your area. Explore rebates above.
  • Save energy – According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills.
  • Automatic comfort – Alexa can do the programming for you, updating the temperature to keep you comfortable.
  • On-the-go control – Let Alexa set the temperature, or set it yourself from anywhere with the Alexa app.
  • You can do it – The Alexa app will guide you through the installation process, but customer service is always available.
  • Reliable – Made with Honeywell Home Thermostat Technology and backed by 130 years of experience.

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Best Quality

MoesGo Programmable WiFi Smart Thermostat for Home, No C-Wire Required ...

2. MoesGo Programmable WiFi Smart Thermostat for Home, No C-Wire Required …

  • Brand: MoesGo
  • Manufacturer: Xiamen Smarttek CO.,LTD
  • Color: Black
  • Dimensions: Height: 3.0 Inches Width: 5.0 Inches Length: 7.0 Inches Weight: 1.0 Pounds `

Features

  • 【Wide compatibility with C-wire adapter/Not supported 2 wire】Suitable for Conventional (2H/2C); Heat Pump (4H/2C); Supports natural gas, electric, hot water, steam or gravity, gas fireplaces (24 Volts), oil heat sources; heat pump, dual fuel.
  • 【Saving energy】Saving over 23% energy and create a comfortable environment.
  • 【Free Temperature Sensor】Free temperature sensor, for your better experience.
  • 【Time Schedule】7 days programmable, 4 modes available, set schedules automatically change temperature to suit your life and work.
  • 【Remote Control】Control your temperature control whenever and wherever you want, so your home is always the right temperature.
  • 【Hands-Free Voice Control】 Compatible with Alexa and Google Home for hands-free voice control.
  • 【NOTE】Free to choose installation of C-wire./Only Support 2.4GHz WiFi/The temperature sensor needs to meet both monitoring to people and during the planned time in order to work.

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Recommended

Google Nest Power Connector - Nest Thermostat C Wire Adapter ...

3. Google Nest Power Connector – Nest Thermostat C Wire Adapter …

  • Brand: Google
  • Manufacturer: Google
  • Color: Snow
  • Dimensions: Height: 2.87 Inches Width: 2.12 Inches Length: 0.57 Inches

Features

  • Nest thermostats are designed to work without a C wire in most homes but for some systems, including heating-only, cooling-only, zone-controlled, and heat pump systems, you’ll need a Nest Power Connector or C wire.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page
  • The Nest Power Connector is a simple affordable alternative to a C wire if your heating and cooling system requires one to power your Nest Thermostat
  • Costs less than hiring an electrician to install a new C wire through your walls
  • Installation is simple; the Nest Power Connector attaches to your furnace air handler, or zone controller and comes with simple instructions; no wiring or drilling required
  • The Nest Power Connector is only compatible with 24 VAC systems; it won’t work with millivolt or high voltage systems
  • The Nest Power Connector is the Nest thermostat C wire adaptor that’s designed specifically for Nest thermostats
  • This Google Product features the Google Seal for Online Marketplace when purchased from a seller other than Amazon.

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24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart ...

4. 24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart …

  • Brand: WUYELIN
  • Manufacturer: WUYELIN
  • Color: WHITE
  • Dimensions: Height: 2.5 Inches Width: 1.8 Inches Length: 2.3 Inches Weight: 0.03 Pounds `

Features

  • 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

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Honeywell Home RTH6580WF Wi-Fi 7-Day Programmable Thermostat with C-Wire Adapter

5. Honeywell Home RTH6580WF Wi-Fi 7-Day Programmable Thermostat with C-Wire Adapter

  • Brand: Honeywell Home
  • Color: White

Features

  • This bundle includes Honeywell Home RTH6580WF Wi-Fi 7-Day Programmable Thermostat and C-Wire Power Adapter.
  • EASY OPERATION AND INTUITIVE. Big, backlit digital display and easy controls make for a user-friendly experience.
  • SMART HOME INTEGRATION. The Wi-Fi 7-Day is compatible with voice assistant devices like Amazon Alexa, Google Assistant, Microsoft Cortana, and more.
  • SMART ALERTS help you worry less. Get air filter change reminders, temperature notifications, internet connection alerts, and more.
  • ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.
  • COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire Required.

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24 Volt Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, ...

6. 24 Volt Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, …

  • Brand: Hotop
  • Manufacturer: Hotop
  • Color: White
  • Dimensions: Weight: 0.03 Pounds `

Features

  • 24V C Wire power adapter: plugs into your standard 110v/120v outlet and converts to 24 volt AC current
  • 24 volt transformer for doorbells: powers up smart 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, 16.5 ft cable is long enough to plug it into an electrical outlet inside or outside your house
  • Packing list: 1 x 24 Volt 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

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Xwartre UL Certified Thermostat C Wire 24V Transformer, White Adapter ...

7. Xwartre UL Certified Thermostat C Wire 24V Transformer, White Adapter …

  • Brand: Xwartre
  • Manufacturer: Ingers
  • Color: White

Features

  • 【Excellent Quality】UL Certificate, overload latch-off protection, over current and voltage protection, short circuit protection assures your personal health and property safety.Input 120V AC 60Hz 0.2A / Output 24V AC 500mA,PVC ecderon wire with fine copper, no interruption of the live view or motion tracking. The length of the cable is 8m, which is long enough to connect from your outlet to the doorbell along the wall.
  • 【Widely Applicable】Compatible with most thermostats(Honeywell, Nest, Ecobee, Wyze, Emerson, Sensi), doorbells(Ring, Eufy, Arlo, Logitech, Amcrest, Simplysafe, Remo, SkyBell, Zmodo) and other devices that require constant 24 volt power for operation;
  • 【Easy to Install】Just run the wire from the socket to the thermostat or doorbell, and the installation can be completed in a few minutes. There is not need to distinguish between positive and negative of the wires;
  • 【Long Cable】The length of cable is 26ft (8m). You can plug the adapter into a socket far away from the thermostat or doorbell. If you don’t like the extra wire, you can cut it to a suitable length;
  • 【What You Get】: A reliable, high-quality 24VAC 0.5A transformer. 30-days worry-free return warranty and 12 months exchange service. If you have any question, please feel free to contact us whenever.

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EMERSON Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, ...

8. EMERSON Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, …

  • Brand: Emerson
  • Manufacturer: White-Rodgers
  • Color: White
  • Dimensions: Height: 1.17 Inches Width: 5.6 Inches Length: 3.4 Inches Weight: 0.95 Pounds `

Features

  • PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties.SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering important usage notifications, alerts about your equipment, and maintenance reminders like filter replacementBACKED BY HVAC EXPERTISE: More than 100 years of experience with HVAC systems went into the development of SensiSMART HOME COMPATIBLE: Sensi easily integrates with popular smart home platforms including Amazon Alexa, Apple HomeKit, Google Assistant and Samsung SmartThings
  • EASY DIY INSTALLATION: Use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation. Works with the HVAC equipment found in most homes. Common wire (c-wire) is required
  • SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access and usage reports
  • CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices
  • SMART MAINTENANCE: Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement
  • BACKED BY HVAC EXPERTISE: More than 100 years of experience with HVAC systems went into the development of Sensi
  • SMART HOME COMPATIBLE: Sensi easily integrates with popular smart home platforms including Amazon Alexa, Apple HomeKit, Google Assistant and Samsung SmartThings

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Honeywell Home RCHT8610WF T5 Smart Thermostat Energy Star Wi-Fi Programmable ...

9. Honeywell Home RCHT8610WF T5 Smart Thermostat Energy Star Wi-Fi Programmable …

  • Brand: Honeywell Home
  • Manufacturer: Honeywell Home
  • Color: Black
  • Dimensions: Height: 1.25 Inches Width: 4.0 Inches Length: 4.0 Inches Weight: 0.11 Pounds `

Features

  • ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use
  • Save Energy and Get Rewarded by checking with your energy provider about available energy savings rebates to save on your purchase (rebate finder link above). Plus, eligible customers can enroll in ongoing energy savings incentives with their energy provider to keep saving all year long.
  • 7-Day Flexible Scheduling or Location Based Temperature control (GeoFencing)
  • The T5 Smart thermostat is fully compatible with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT, Cortana and other ecosystems
  • Adaptive recovery learns how long it takes to achieve the right temperature at the right time and automatically runs your system to get to your desired temperature when you want it, with auto change from heat to cool
  • COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.
  • Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.
  • Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.

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24Volt Doorbell Transformer, C - Wire Adapter Thermostat, Compatible with ...

10. 24Volt Doorbell Transformer, C – Wire Adapter Thermostat, Compatible with …

  • Brand: WUYELIN
  • Manufacturer: shenzhen yelinda
  • Dimensions: Height: 2.5 Inches Width: 1.8 Inches Length: 2.3 Inches

Features

  • HOME USE: Plug the transformer into your standard 110V /120V outlets and converts to 24 volt 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: Our battery backup input voltage is 120 V AC, 60 Hz; Output voltage is 24 V, 300mA/AC.
  • EASY 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,2 pin 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: 7M (23ft) long cable enables you to install the cable along the wall and connect to the electrical outlet inside or outside.

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