Best Smart Thermostats to Buy in December 2025
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
- SAVE ENERGY EFFORTLESSLY WITH PROGRAMMABLE SCHEDULING VIA THE APP.
- CONTROL TEMPERATURE REMOTELY FROM YOUR PHONE, TABLET, OR LAPTOP.
- MONITOR HVAC HEALTH AND GET ALERTS FOR EASY MAINTENANCE REMINDERS.
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray
- PERSONALIZE YOUR COMFORT: CUSTOMIZE COLORS TO MATCH YOUR DÉCOR.
- EARN ENERGY REWARDS: ENROLL IN LOCAL PROGRAMS FOR POTENTIAL SAVINGS.
- SMART CONTROL ANYTIME: MANAGE SETTINGS WITH ALEXA, GOOGLE, OR YOUR APP.
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant
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SAVE UP TO 23% YEARLY ON HEATING AND COOLING COSTS EFFORTLESSLY!
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EASY DIY INSTALL; WORKS WITH MOST SYSTEMS AND SMART HOME DEVICES.
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CONTROL VIA APP OR TOUCHSCREEN; ENJOY FREE SOFTWARE UPGRADES ALWAYS.
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
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SMART UPGRADE: EFFORTLESSLY REDUCE ENERGY USE WITH OUR SMART THERMOSTAT.
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MAXIMIZE SAVINGS: ENJOY POTENTIAL ENERGY REBATES AND CUT BILLS BY $50/YEAR.
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EASY CONTROL: ADJUST TEMPS ANYTIME USING ALEXA OR THE MOBILE APP.
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Charcoal
- ENERGY STAR CERTIFIED: SAVE ENERGY AND REDUCE UTILITY BILLS EFFORTLESSLY.
- REMOTE CONTROL & PROGRAMMABLE: ADJUST TEMPERATURES ANYWHERE VIA YOUR PHONE.
- HVAC MONITORING: STAY INFORMED WITH ALERTS FOR SYSTEM MAINTENANCE NEEDS.
ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home
- SAVE 26% ON ENERGY COSTS BY OPTIMIZING HEATING & COOLING EFFICIENCY!
- PREHEAT/COOL YOUR HOME FOR PERFECT COMFORT UPON ARRIVAL, EVERY TIME.
- CONTROL YOUR THERMOSTAT REMOTELY USING YOUR SMARTPHONE OR SMART HOME!
The cost of a smart thermostat can vary based on the brand, features, and capabilities. Generally, prices range from around $100 to $300. Basic models with essential features like programmable settings and remote control via smartphone apps tend to be on the lower end of the price spectrum. More advanced models offering additional functionalities such as learning abilities, integration with other smart home devices, and enhanced energy-saving features are typically priced higher. Installation costs should also be considered, as professional installation might be necessary for some models, which can add to the overall expense.
How to lock a smart thermostat?
Locking a smart thermostat can vary depending on the brand and model of the thermostat you have. However, most smart thermostats come with an option to lock or restrict access through their settings. Here are some general steps you can follow for popular brands:
Nest Thermostat
- Open the Nest App: Access your Nest thermostat through the app.
- Select the Thermostat: Tap on the thermostat you want to lock.
- Go to Settings: Tap on the settings icon (usually a gear or three dots).
- Select "Lock": Choose the option to lock the device.
- Set a PIN Code: Enter a 4-digit PIN code that will be required to change settings physically on the thermostat.
- Confirm: Save your changes.
ecobee Thermostat
- Open the ecobee App: Access your ecobee thermostat through the app.
- Go to "Settings": Navigate to the settings menu.
- Select "Access Control": Look for a menu related to access control.
- Enable Lock: Turn on the lock function.
- Set a PIN Code: Enter and confirm a PIN code to lock the thermostat.
- Save Settings: Apply your changes.
Honeywell Thermostat
- Access the Thermostat Interface: Directly on the thermostat screen or through the Honeywell Home app.
- Navigate to "Settings": Find the settings option.
- Find the "Security" or "Lock" Option: Look for options related to locking or security.
- Enable Locking: Turn on the locking function.
- Set a PIN Code: Enter a PIN to lock the thermostat.
- Confirm: Save your settings.
General Tips
- Manual Availability: Check the user manual or product guide specific to your thermostat model for detailed instructions.
- Help & Support: Visit the manufacturer's website or contact support for further assistance.
- Firmware Updates: Ensure your thermostat and app are updated to the latest version for the best functionality.
Locking your thermostat is a good way to prevent unauthorized access and ensure your settings remain intact. Always choose a secure, memorable PIN code and keep it safe.
What is a learning thermostat?
A learning thermostat is a type of smart thermostat that not only allows you to control the temperature of your home remotely but also learns from your behavior and preferences over time to create an efficient heating and cooling schedule. These devices use sensors, algorithms, and connectivity to adjust settings automatically, optimize energy usage, and ultimately save on energy costs.
Key features of learning thermostats include:
- Self-Programming: They automatically create a schedule based on your lifestyle, preferences, and usage patterns.
- Remote Access: You can control them via a smartphone app, so you can adjust your home's temperature from anywhere.
- Energy Reports: Many provide insights into your energy usage, helping you understand and reduce consumption.
- Integration with Smart Home Systems: They often integrate with other smart home devices, offering additional convenience and automation.
- Occupancy Detection: Some models can detect if someone is home or not and adjust the temperature accordingly.
Overall, learning thermostats aim to enhance comfort, increase efficiency, and reduce energy costs by using intelligent automation and user-friendly features.
What is the best smart thermostat for energy savings?
As of the latest information available, several smart thermostats are widely regarded for their energy-saving capabilities. Here are a few top contenders:
- Google Nest Learning Thermostat: Known for its learning capabilities, the Nest Learning Thermostat adapts to your schedule and preferences, optimizing heating and cooling efficiently. It can also provide reports on energy usage to help you make informed decisions.
- Ecobee SmartThermostat with Voice Control: The Ecobee SmartThermostat offers room sensors that help balance temperatures throughout your home, leading to improved energy savings. Its occupancy detection and remote sensor features ensure it only heats or cools occupied rooms.
- Honeywell Home T9 Smart Thermostat: This thermostat also uses room sensors and adjusts temperatures based on occupancy and temperature patterns. It integrates well with smart home ecosystems, offering versatile control options.
- Emerson Sensi Touch Smart Thermostat: Certified by Energy Star, this thermostat provides energy-saving features like geofencing, scheduling, and remote access, making it easy to maximize efficiency and comfort.
When selecting a smart thermostat for energy savings, consider compatibility with your HVAC system, integration with existing smart home devices, and the specific energy-saving features that suit your lifestyle. Additionally, ensure that you utilize any available rebates or incentives for installing energy-efficient devices.
What is the average cost of installing a smart thermostat?
The cost of installing a smart thermostat can vary based on several factors, including the brand and model of the thermostat, the complexity of the installation, and your geographical location. On average, you can expect to pay between $200 and $500 for the device and professional installation. Here's a rough breakdown:
- Thermostat Cost: Most smart thermostats range from $100 to $250. Premium models with advanced features can be more expensive.
- Installation Cost: Professional installation might cost between $100 and $250, depending on the complexity of the task, such as whether it requires additional wiring or compatibility adjustments with your existing HVAC system.
It's always a good idea to get multiple quotes from local HVAC professionals to ensure you're getting a fair price. Additionally, some utility companies offer rebates or incentives for installing energy-efficient devices like smart thermostats, which can help offset the cost.