9 Best Smart Thermostat No C Wire 2024 in the US

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ENERGY STAR Certified: Helps save energy and ensures efficient performance.

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Wi-Fi & Bluetooth Connectivity: Offers 2.4 GHz and 5 GHz Wi-Fi support along with Bluetooth Low Energy for easy integration with home networks.

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C Wire Compatibility: Designed to work without a C wire in most homes, with options for systems that require it.

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Auto-Schedule: Automatically turns down when you leave to prevent energy waste.

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Programmable via App: Allows creation of an energy-efficient schedule using the Google Home app.

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Energy Savings: Saves up to 23% annually on heating and cooling costs.

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Remote Access: Control your thermostat from anywhere using Android or iOS devices.

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SmartSensor Compatibility: Works with SmartSensor to address hot or cold spots for enhanced comfort.

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HVAC Integration: Compatible with most 24VAC HVAC systems and includes a Power Extender Kit for easy installation.

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Smart Home Integration: Integrates with Siri, Alexa, Google Assistant, and other smart home systems.

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Energy Savings: Saves up to 26% annually on heating and cooling costs, ENERGY STAR certified for efficiency.

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SmartSensor Included: Comes with a SmartSensor to adjust temperature in important rooms, reducing uneven heating or cooling.

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Air Quality Monitor: Built-in monitor alerts to poor air quality with tips for improvement and filter change reminders.

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Premium Design: Features a large, vibrant display with a cinematic interface and advanced occupancy sensing.

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Home Monitoring Hub: Includes smoke alarm detection and break-in alerts when armed, with notifications for temperature drops.

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Auto-Schedule: Learns your habits and programs itself to adjust the temperature.

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Home/Away Assist: Automatically adjusts temperature when you're not home to save energy.

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Remote Control: Manage your home's temperature from anywhere using the Nest app.

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Energy History: Provides insights on energy usage to help reduce consumption.

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Nest Leaf: Indicates energy-efficient temperatures to guide your choices.

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ENERGY STAR Certified: Helps save energy with personalized tips.

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Control from Anywhere: Use app or smart home partners like Alexa.

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Customizable Color Screen: Change display color on the Wi-Fi thermostat.

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On-Screen Comfort Info: Displays indoor/outdoor temperature and humidity.

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Compatibility: Works with various systems; C-wire required.

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Energy Savings: Saves up to 26% annually on heating and cooling costs by adjusting to your schedule and preferences.

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ENERGY STAR Certified: Meets strict energy efficiency guidelines set by the government.

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Smart Home Integration: Works with Siri, Alexa, Google Assistant for voice control and integrates with smart home platforms.

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Comfort Optimization: Preheats or precools your home and adjusts for humidity, ensuring comfort at all times.

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Easy Installation: Includes everything needed for a quick DIY installation, typically in 45 minutes or less.

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Certified Refurbished: Tested and certified to look and work like new.

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Energy Savings: ENERGY STAR certified, saves an average of $50 yearly.

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Automatic Comfort: Alexa updates temperature for optimal comfort.

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Remote Control: Set temperature from anywhere with the Alexa app.

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Easy Installation: Guided by the Alexa app, with customer support available.

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Energy Saving: ENERGY STAR certified with Auto Home/Away Scheduling and energy savings rebates compatibility.

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Smart Room Focus: Ability to choose and maintain specific room temperatures and prioritize comfort based on room occupancy.

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Extended Sensor Range: Smart Room Sensors with up to 200 ft range for efficient signal delivery.

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Multi-Room Control: Capability to manage multiple rooms' temperatures when additional sensors are installed.

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Versatile Control Options: Accessible via Resideo app and compatible with Amazon Alexa, Apple HomeKit, and Google Assistant.

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Easy DIY Installation: Built-in level and step-by-step instructions.

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Common Wire Requirements: C-wire required for some systems, not most.

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Energy Savings: Save about 23% on HVAC energy with smart features.

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Privacy Protection: No selling of personal data or targeted ads.

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Remote Control: Control from anywhere via mobile app for Android/iOS.