Top 10 Smart Thermostat No C Wire Required – Home Programmable Thermostats

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1. Emerson

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Works with Alexa, ST75 Black 5.625" x 3.4" x 1.17", Energy Star Certified, Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, C-wire Required

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Emerson #ad - Smart alerts: sensi features smart alerts to help detect extreme temperature and humidity levels in your home. Control from anywhere: remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices.

Skip any extra work painting or patching the wall thanks to the standard thermostat size. Circulating fan: air circulation may improve indoor air quality by helping to regulate temperature and prevent buildup of particles and mold. Most install in 30 minutes or less**: use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation.

Smart home compatible: works with Amazon Alexa, Google Assistant, Apple HomeKit, and Samsung SmartThings smart home platforms. Usage reports: monitor current day and historical heating, cooling and fan runtimes right in the app. Save about 23% on hvac energy*: by adjusting the temperature using flexible scheduling, and geofencing, remote access, Sensi customers saved about 23% on HVAC energy usage.
BrandEmerson #ad
ManufacturerEmerson Thermostats #ad
Height1.17 Inches
Length3.4 Inches
Weight1 Pounds
Width5.63 Inches
Part NumberST75
ModelST75
Warranty3 years.

2. Emerson

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C-wire Required, ST75W, EMERSON Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display, Energy Star Certified, Works with Alexa

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Emerson #ad - Smart alerts: sensi features smart alerts to help detect extreme temperature and humidity levels in your home. Smart home compatible: works with Amazon Alexa, Google Assistant, Apple HomeKit, and Samsung SmartThings smart home platforms.

Skip any extra work painting or patching the wall thanks to the standard thermostat size. Circulating fan: air circulation may improve indoor air quality by helping to regulate temperature and prevent buildup of particles and mold. Save about 23% on hvac energy*: by adjusting the temperature using flexible scheduling, remote access, and geofencing, Sensi customers saved about 23% on HVAC energy usage.

Control from anywhere: remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices. Usage reports: monitor current day and historical heating, cooling and fan runtimes right in the app. Most install in 30 minutes or less**: use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation.
BrandEmerson #ad
ManufacturerWhite-Rodgers #ad
Height1.17 Inches
Length3.4 Inches
Weight0.95 Pounds
Width5.6 Inches
Part NumberST75W
ModelST75W
Warranty3 years.

3. Google

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Google Nest Thermostat, Smart Thermostat for Home, Programmable Wifi Thermostat, Charcoal

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Google #ad - Energy star certified smart thermostat for home that helps you save energy and stay comfortable. Nest thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home. Smart thermostat with hvac monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier2.

The nest thermostat is designed to work without a c wire in most homes, zone controlled, but for some systems, and heat pump systems, including heating only, cooling only, you’ll need a C wire or other compatible power accessory. Please refer to the product description section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points e. G. 2, 1, etc. Programmable thermostat that lets you create an energy efficient schedule in the Google Home app on your Android or iPhone.

Savings finder looks for more ways your thermostat can help you save, and suggests tweaks to your schedule in the app; check with your energy provider to learn more about rebates and more ways to save on a Nest thermostat. It’s easy to install your thermostat, typically in 30 minutes or less, with everything you need included in the box; it’s compatible with 85% of heating and cooling systems. Remote control lets family members change the thermostat temperature from anywhere on a phone, laptop, or tablet1.
BrandGoogle #ad
ManufacturerGoogle #ad
Height1.07 Inches
Length3.31 Inches
Weight0.31 Pounds
Width3.31 Inches
Part NumberG4CVZ
ModelG4CVZ
Warranty1 year.

4. Emerson Thermostats

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Works With Alexa, ST55, Energy Star Certified, Emerson Sensi Wi-Fi Smart Thermostat for Smart Home, DIY

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Emerson Thermostats #ad - Smart home compatible: works with amazon Alexa, Google Assistant, Apple HomeKit c-wire required, and Samsung SmartThings smart home platforms. Most install in 30 minutes or less**: use the built-in level and step-by-step app instructions for a quick installation.

Save about 23% on hvac energy*: the energy star certified sensi thermostat helps you save on your HVAC energy costs, 7-day flexible scheduling, with features like geofencing, remote access and in-app system usage. Control from anywhere: remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices. Usage reports: monitor current day and historical heating, cooling and fan runtimes right in the app.

Skip any extra work painting or patching the wall thanks to the standard thermostat size. Smart alerts: sensi features smart alerts to help detect extreme temperature and humidity levels in your home. Circulating fan: air circulation may improve indoor air quality by helping to regulate temperature and prevent buildup of particles and mold.
BrandEmerson Thermostats #ad
ManufacturerEmerson Thermostats #ad
Height1 Inches
Length3.75 Inches
Weight0.85 Pounds
Width5.88 Inches
Part NumberST55
ModelST55
Warranty3 years.

5. Honeywell Home

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Honeywell Home RTH8560D 7 Day Programmable Touchscreen Thermostat

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Honeywell Home #ad - Compatible with most systems. Sleek touchscreen with cool blue backlight makes it easy to read. Indoor humidity readout. Flexible programming: 7 - Day, 5-2 Day or one week programming. Smart response learning.
BrandHoneywell Home #ad
ManufacturerHoneywell Home #ad
Height1.06 Inches
Length4.09 Inches
Width4.09 Inches
Part NumberRTH8560D
ModelRTH8560D1002
Warranty1 year warranty.

6. Honeywell Home

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Touch Screen, Alexa Ready, Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Energy Star

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Honeywell Home #ad - Does not work with electric baseboard heat 120-240V. Easy operation and intuitive. Energy star certified. Your schedule. Comfort comes in your color.

Flexible programming options for your schedule or utility company’s peak rate pricing. Compatible with: forced air gas, oil or electric, hot water and steam, and heat pumps with electric backup. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use. Bright, easy-to-read touchscreen makes for simple operation. Personalize your wi-fi Smart Color Programmable Thermostat to fit your décor. Your way.
BrandHoneywell Home #ad
ManufacturerHoneywell Home #ad
Height0.88 Inches
Length3.5 Inches
Weight1 Pounds
Width4.5 Inches
Part NumberRTH9585WF1004
ModelRTH9585WF1004/W
Warranty1 year warranty.

7. ecobee

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Black, ecobee Lite SmartThermostat

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ecobee #ad - Automatically pauses your heating or cooling when a door or window is left open requires ecobee SmartSensor for doors and windows and a Smart Security subscription. Control from anywhere using your Android or iOS device. Save up to 23% annually on heating and cooling costs compared to a hold of 72°F. Integrates seamlessly with your preferred smart home system. Add smartsensor to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most.
Brandecobee #ad
ManufacturerEcobee #ad
Height4.05 Inches
Length4.05 Inches
Weight1 Pounds
Width1 Inches
Part NumberEB-STATE3LT-02
ModelEB-STATE3LT-02
Warranty3 year limited warranty.

8. Hotop

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Nest and Honeywell Smart WiFi Thermostat, Compatible with Ecobee, C Wire Adapter Thermostats, 24 Volt Transformer, Ring Nest Hello Skybell August Doorbell White

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Hotop #ad - And doorbells ring, emerson sensi, skybell, Honeywell, Nest Hello, Hive, August that require 24 volt power for operation.24v c wire power adapter: plugs into your standard 110v/120v outlet and converts to 24 volt AC current.

Packing list: 1 x 24 volt c wire adapter, 1 bag 50 pieces of cable clips. Ul certified: ul certification passed, stable and durable operation 24V transformer. 24 volt transformer for doorbells: powers up smart for Nest, Ecobee, etc. Note: please add a 50w watt 25 Ohm Resistor if you use this transformer to power a doorbell. 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. The brand mentioned above is just for demonstrating compatibility.
BrandHotop #ad
ManufacturerHotop #ad
Weight0.03 Pounds

9. Google

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Google Nest Power Connector, Nest Thermostat Accessories, Nest Thermostat C Wire Adapter, C Wire Adapter for Smart Thermostat

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Google #ad - 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.

Com. Costs less than hiring an electrician to install a new C wire through your walls. 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. Nest thermostats are designed to work without a c wire in most homes but for some systems, cooling-only, including heating-only, and heat pump systems, zone-controlled, you'll need a Nest Power Connector or C wire.

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.
BrandGoogle #ad
ManufacturerGoogle #ad
Height2.87 Inches
Length0.57 Inches
Width2.12 Inches
Part NumberGA02493-US
ModelGVNZ4
Warranty1 year manufacturer.

10. Hotop

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C Wire Adapter 24 Volt Transformer Compatible with Nest Honeywell Ecobee Emerson Sensi Smart WiFi White

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Hotop #ad - Packing list: 1 x c wire adapter, 1 bag 50 pieces of cable clips; The brand mentioned above is just for demonstrating compatibility. Designed for thermostats power supply: widely applied for thermostats, Honeywell, Emerson Sensi, Hive, Ecobee, etc.

Charge for thermostats directly, powers up smart thermostats for Nest, without needing to remove your thermostats to charge up the battery, convenient and practical to solve the problem of "thermostats low battery". 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. Ul certified: ul certification passed, stable and durable 24V transformer for thermostats. 24v c wire power adapter for thermostat: plugs into your standard 110v/ 120v outlet and converts to 24V, 500mA/AC.
BrandHotop #ad
ManufacturerHotop #ad
Weight0.6 Pounds