Best Smart Thermostats Online Deals for Energy Savings and Smart Home Control

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Written by fixonelectronics

November 12, 2025

Finding the best deals on smart thermostats online can save you money and energy. These devices help control your home temperature easily and efficiently.

Smart thermostats are popular for their ability to learn your schedule and adjust heating or cooling automatically. Brands like ecobee, Honeywell, Emerson, Amazon, and Google offer reliable options with features like voice control and energy saving. Many models work with Alexa, Siri, or Google Assistant, making them simple to use.

Some require a C-wire for installation, while others fit most systems without it. Choosing the right thermostat can lower your energy bills and improve comfort. This guide highlights top smart thermostats available online at great prices, helping you pick the best fit for your home.

Ecobee Smart Thermostat Essential

ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google Assistant

The ecobee Smart Thermostat Essential is perfect for homeowners and renters who want to save on energy bills without sacrificing comfort. Ideal for tech-savvy individuals or families looking to integrate smart home technology, this Energy Star Certified programmable Wi-Fi thermostat offers seamless compatibility with Siri, Alexa, and Google Assistant, making temperature control effortless and convenient.

Pros:

  • Energy Star Certified for efficient energy use and cost savings
  • Works with major smart assistants: Siri, Alexa, and Google Assistant
  • Compact and sleek white design fits any home decor
  • Easy Wi-Fi connectivity for remote control via smartphone
  • Simple programming to customize temperature schedules

Cons:

  • Lacks some advanced features found in higher-end ecobee models
  • Requires a stable Wi-Fi connection for optimal performance
  • Installation may require professional assistance for some HVAC systems

The ecobee Smart Thermostat Essential features a compact design measuring just 3.62 inches in height and width, making it unobtrusive on any wall. Its intuitive interface and compatibility with popular voice assistants allow users to easily adjust settings using voice commands or their smartphone. This ensures a comfortable living environment while minimizing energy waste.

With programmable scheduling, users can set precise temperature controls tailored to their daily routines, helping to reduce unnecessary heating or cooling. The thermostat’s Wi-Fi connectivity provides remote access, meaning you can manage your home’s climate from anywhere. This combination of features delivers both convenience and significant energy savings, making it an excellent choice for those seeking smart, efficient home climate control.

To buy this product, click here.

Honeywell Home Rth9585wf1004 Wi-fi Smart Color Thermostat

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

The Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat is ideal for homeowners and tech-savvy individuals looking to upgrade their heating and cooling systems with a smart, programmable device. Those who want to save on energy costs while enjoying the convenience of remote control and voice activation will find this thermostat particularly beneficial. It’s perfect for people who appreciate customizable settings and integration with smart home ecosystems like Alexa.

Pros:

  • 7 Day Programmable schedule for personalized temperature control
  • Wi-Fi enabled for remote access via smartphone app
  • Touch Screen interface with vibrant color display
  • Energy Star certified, promoting energy efficiency and cost savings
  • Compatible with Alexa for hands-free voice control
  • Sleek and compact design with dimensions of 0.88 x 4.5 x 3.5 inches

Cons:

  • Initial setup may be complex for non-technical users
  • Requires a stable Wi-Fi connection to access smart features
  • Limited color options as it comes only in gray

The Honeywell Home RTH9585WF1004 thermostat stands out with its user-friendly touch screen and vibrant color display, making temperature adjustments straightforward and visually appealing. The 7-day programmable feature allows users to create customized schedules that align with their daily routines, enhancing comfort while optimizing energy consumption. The device’s compact dimensions ensure it fits discreetly in any home setting without disrupting interior aesthetics.

Integration with Wi-Fi and compatibility with Alexa elevate the convenience factor, enabling users to control their home’s climate remotely or through voice commands. Being Energy Star certified highlights its efficiency, helping users reduce utility bills and environmental impact. Overall, this smart thermostat combines advanced technology with practical features, making it a valuable addition to modern smart homes.

To buy this product, click here.

Ecobee Smart Thermostat Enhanced

ecobee Smart Thermostat Enhanced - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant - Energy Star Certified - Smart Home

The ecobee Smart Thermostat Enhanced is ideal for homeowners and tech enthusiasts looking to optimize their home’s climate control with smart technology. If you want a programmable, energy-efficient thermostat that seamlessly integrates with popular voice assistants like Siri, Alexa, and Google Assistant, this device is perfect for you. It’s especially beneficial for those aiming to reduce energy consumption while maintaining comfort.

Pros:

  • Energy Star Certified for efficient energy use and cost savings
  • Compatible with major smart home platforms including Siri, Alexa, and Google Assistant
  • Programmable WiFi thermostat allowing remote control and scheduling
  • Sleek and compact design with dimensions of 4.09 x 4.09 x 0.94 inches
  • Easy installation and user-friendly interface

Cons:

  • Higher initial cost compared to basic thermostats
  • Requires stable WiFi connection for full functionality
  • May need professional installation for complex HVAC systems

The ecobee Smart Thermostat Enhanced offers robust features that enhance home comfort and energy management. Its programmable WiFi connectivity allows users to adjust temperature settings remotely, ensuring the home is always at the desired comfort level. Integration with voice assistants like Alexa and Google Assistant enables effortless control via simple voice commands, making everyday adjustments convenient and hands-free.

Additionally, the device’s Energy Star Certification guarantees that it meets strict energy efficiency guidelines, helping users reduce utility bills and environmental impact. The compact, modern design fits well in any home decor, while its intuitive interface ensures that even those new to smart home technology can easily manage their settings. Overall, this smart thermostat is a powerful tool for creating a smarter, more energy-efficient home environment.

To buy this product, click here.

Emerson Sensi Touch Wi-fi Smart Thermostat

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

The Emerson Sensi Touch Wi-Fi Smart Thermostat is ideal for homeowners and tech enthusiasts looking to upgrade their home climate control with a sleek, modern device. If you want to save on energy bills while enjoying the convenience of remote access and voice control, this thermostat is perfect for you. It is especially suitable for those who have an existing C-wire setup and want a smart thermostat that integrates seamlessly with Alexa and other smart home devices.

Pros:

  • Features a vibrant touchscreen color display for easy navigation and control.
  • Wi-Fi connectivity allows remote access and control from anywhere.
  • Energy Star Certified for energy efficiency and cost savings.
  • Works effortlessly with Alexa and other smart home ecosystems.
  • Compact design with dimensions of 5.625″ x 3.4″ x 1.17″ fits well on any wall.

Cons:

  • Requires a C-wire, which may complicate installation in older homes without existing wiring.
  • Some users might find the initial setup process slightly technical.
  • Limited color options available; only comes in black.

The Emerson Sensi Touch Thermostat boasts a modern, intuitive touchscreen interface that makes adjusting your home’s temperature simple and precise. Its compatibility with Wi-Fi enables users to control their thermostat remotely via a smartphone app, adding convenience and flexibility to daily routines. Integration with Alexa and other smart assistants means you can manage your home’s climate hands-free, enhancing the overall smart home experience.

Being Energy Star Certified, this thermostat helps users reduce energy consumption and lower utility bills without sacrificing comfort. Its sleek and compact design ensures it blends seamlessly with any home décor, while its requirement for a C-wire ensures stable and reliable power for consistent performance. Overall, the Emerson Sensi Touch provides an efficient, user-friendly solution for modern homeowners seeking smarter climate control.

To buy this product, click here.

Amazon Smart Thermostat

Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required

The Amazon Smart Thermostat is an ideal choice for homeowners and renters who want to optimize their heating and cooling systems efficiently. If you are looking to save money on energy bills while enjoying seamless integration with smart home devices, this thermostat is designed for you. Users who already have or plan to use Alexa or Ring devices will find this product especially convenient.

Pros:

  • Energy-saving features that help reduce utility bills.
  • Compatible with Alexa and Ring for voice control and smart home integration.
  • Sleek and compact design in white, measuring only 3.56 x 3.56 x 0.84 inches.
  • Easy to install with a C-wire requirement ensuring stable power supply.
  • Lightweight at just 0.24 pounds, making it unobtrusive on your wall.

Cons:

  • Requires a C-wire, which may not be available in all homes without additional wiring.
  • Limited color options as it only comes in white.
  • Some features depend on compatibility with other Amazon smart devices.

The Amazon Smart Thermostat offers a user-friendly interface that allows precise temperature control, helping users maintain comfortable indoor climates while lowering energy consumption. Its compatibility with Alexa means you can adjust your home’s temperature hands-free, making it perfect for multitasking or accessibility needs. Additionally, the thermostat’s integration with Ring devices enhances security features, allowing you to create automated routines that respond to your home’s activity.

Beyond convenience, the compact and lightweight design ensures that the thermostat blends seamlessly into your living space without being obtrusive. Its reliable performance backed by Amazon’s reputation ensures durability and consistent operation. For those looking to upgrade their home’s HVAC control with a smart, energy-efficient solution, the Amazon Smart Thermostat delivers both advanced features and practical benefits.

To buy this product, click here.

Google Nest Learning Thermostat

Google Nest Learning Thermostat - 3rd Gen (2015) - Programmable Smart Thermostat for Home - Works with Alexa - Stainless Steel

The Google Nest Learning Thermostat – 3rd Gen (2015) is ideal for homeowners and renters who want to enhance their home’s energy efficiency and convenience. If you are someone who values smart home integration and wants to save on heating and cooling costs without sacrificing comfort, this programmable smart thermostat is designed for you. It is especially suitable for tech-savvy users who use Alexa or other smart home devices to control their environment seamlessly.

Pros:

  • Energy-saving learning technology adjusts temperature automatically.
  • Works with Alexa and other smart home ecosystems for voice control.
  • Elegant stainless steel design fits modern home aesthetics.
  • Easy installation with detailed instructions and compatibility with most HVAC systems.
  • Compact dimensions (1.21″ height, 3.3″ width and length) take up minimal space.

Cons:

  • May require a common wire (C-wire) for installation in some homes.
  • Learning curve involved for users unfamiliar with smart thermostats.
  • Price point can be higher compared to basic programmable thermostats.

The Google Nest Learning Thermostat stands out with its ability to learn your temperature preferences over time and automatically adjust settings to optimize comfort and energy use. This feature not only reduces manual adjustments but also helps lower utility bills by avoiding unnecessary heating or cooling. The sleek stainless steel finish adds a premium look to any room, enhancing the overall home environment.

Integration with Alexa and other smart home platforms allows users to control their thermostat remotely via voice commands or smartphone apps. This convenience means you can adjust your home’s temperature on the go, ensuring a comfortable atmosphere upon arrival. Additionally, the device’s compact size ensures it blends unobtrusively into your living space while providing advanced functionality.

To buy this product, click here.

Google Nest Thermostat

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

The Google Nest Thermostat in Charcoal is ideal for homeowners and renters who want to enhance their home’s energy efficiency with a smart, programmable wifi thermostat. If you’re looking for an easy-to-use device that can be controlled remotely and helps reduce energy bills, this thermostat is a perfect choice. It’s especially suitable for tech-savvy users who appreciate seamless integration with other smart home devices.

Pros:

  • Sleek and modern charcoal design that fits well with most home decor.
  • Easy-to-install and compatible with most HVAC systems.
  • Programmable with wifi connectivity for remote control via smartphone.
  • Helps save energy and reduce utility bills through intelligent scheduling.
  • Compact size: approximately 1.07 inches in height and 3.3 inches in width and length, weighing just 0.31 pounds.

Cons:

  • May require a compatible HVAC system for full functionality.
  • Some users might find initial setup challenging without technical knowledge.
  • Limited color options, only available in charcoal.

The Google Nest Thermostat offers a combination of style and smart technology with its compact dimensions and lightweight design, making it a discreet yet powerful addition to any home. Its wifi connectivity allows users to control the temperature from anywhere using a smartphone app, providing convenience and greater control over home comfort. The programmable feature means you can set schedules to optimize heating and cooling, which can lead to significant energy savings over time.

Additionally, the thermostat’s intelligent algorithms learn your preferences and adjust settings automatically, enhancing comfort without constant manual adjustments. Its compatibility with Google’s ecosystem means it can be integrated with other smart devices, such as Google Home, for voice control and automation. Overall, the Google Nest Thermostat is a smart investment for those looking to modernize their home’s climate control while saving on energy costs.

To buy this product, click here.

Sensi Lite Smart Thermostat

Sensi Lite Smart Thermostat, Data Privacy, Programmable, Wi-Fi, Easy DIY, Works With Alexa, Energy Star Certified, ST25, Most Systems C-Wire Not Required, Except On Heat/Cool Only and Heat Pump System

The Sensi Lite Smart Thermostat is ideal for homeowners and renters who want an easy-to-install, energy-efficient solution to control their home climate. Perfect for those looking to reduce energy bills without complicated setups, this device is especially suited for users who desire smart home compatibility with voice assistants like Alexa and value data privacy. It’s a great pick for anyone seeking a programmable thermostat that works with most HVAC systems without requiring a C-wire.

Pros:

  • Easy DIY installation with no need for a C-wire on most systems
  • Wi-Fi connectivity enables remote control and scheduling
  • Works with Alexa for convenient voice commands
  • Energy Star Certified for energy savings and environmental friendliness
  • Strong focus on data privacy to keep user information secure
  • Compact and sleek design in black that fits most décor

Cons:

  • Requires a C-wire for heat/cool only and heat pump systems
  • Limited advanced features compared to higher-end smart thermostats
  • No touchscreen interface, relying on app and basic controls

The Sensi Lite Smart Thermostat offers a streamlined experience for managing home temperatures through its programmable settings and intuitive app controls. Users can easily set schedules that adapt to their daily routines, helping to optimize heating and cooling for maximum comfort and efficiency. The compatibility with most HVAC systems means installation is typically hassle-free, especially since a C-wire is not required for many setups. This reduces the need for professional installation, making it an affordable option for DIY enthusiasts.

Beyond convenience, the thermostat’s integration with Alexa allows for hands-free adjustments, enhancing the smart home ecosystem. The Energy Star certification reflects its efficiency, contributing to potential energy savings and a reduced carbon footprint. Additionally, Emerson prioritizes data privacy, ensuring that your home’s usage data remains secure. Compact in size and sleek in black, the Sensi Lite Smart Thermostat blends seamlessly into any room while delivering reliable performance.

To buy this product, click here.

Ecobee Smart Thermostat Premium

ecobee Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant

The ecobee Smart Thermostat Premium is ideal for homeowners and tech enthusiasts who want to enhance their home’s comfort while improving energy efficiency. If you are looking for a sophisticated yet user-friendly device that integrates seamlessly with your smart home ecosystem, this programmable WiFi thermostat equipped with a Smart Sensor and Air Quality Monitor is perfect for you.

Pros:

  • Advanced Smart Sensor that detects occupancy and temperature for precise climate control.
  • Built-in Air Quality Monitor helps maintain a healthier indoor environment.
  • Compatibility with major voice assistants like Siri, Alexa, and Google Assistant for hands-free control.
  • Elegant and compact design in sleek black with dimensions 4.09 x 4.09 x 1.02 inches.
  • Programmable settings allow for personalized scheduling to optimize energy savings.

Cons:

  • Higher price point compared to basic thermostats.
  • Installation may require professional assistance for some users.
  • Dependent on stable WiFi connection for full smart functionality.

The ecobee Smart Thermostat Premium is engineered to deliver exceptional comfort through intelligent temperature management. Its Smart Sensor detects which rooms are occupied and adjusts heating or cooling accordingly, eliminating hot or cold spots in your home. This feature not only increases comfort but also leads to significant energy savings, as the thermostat avoids conditioning empty rooms unnecessarily.

Moreover, the integrated Air Quality Monitor continuously tracks indoor pollutants, enabling you to maintain a healthier living space. Combined with compatibility for voice assistants like Siri, Alexa, and Google Assistant, you can effortlessly control your home’s climate using simple voice commands. Overall, this thermostat offers a perfect blend of cutting-edge technology, user convenience, and energy efficiency.

To buy this product, click here.

Amazon Smart Thermostat

Like-New Amazon Smart Thermostat – ENERGY STAR certified, DIY install, Works with Alexa – C-wire required

The Like-New Amazon Smart Thermostat is ideal for homeowners and renters who want to easily control their home’s temperature while saving energy. This device is perfect for tech-savvy individuals who use Alexa and prefer a DIY install experience. It requires a C-wire, making it suitable for those with compatible HVAC systems looking for a smart, energy-efficient upgrade.

Pros:

  • ENERGY STAR certified for efficient energy use and cost savings.
  • Simple DIY installation saves on professional setup fees.
  • Seamless integration with Alexa for voice control convenience.
  • Compact and sleek white design fits modern home aesthetics.
  • Lightweight and unobtrusive with dimensions of 3.56 x 3.56 x 0.84 inches.

Cons:

  • Requires a C-wire, which may limit compatibility with older HVAC systems.
  • Limited color options may not suit all interior styles.

The Amazon Smart Thermostat offers a user-friendly experience with its straightforward installation process and compatibility with Alexa, enabling hands-free temperature adjustments. Its ENERGY STAR certification ensures that users benefit from reduced energy consumption, which can lead to lower utility bills over time. The compact size and sleek white finish allow it to blend seamlessly into any room without drawing unnecessary attention.

With its smart features, users can program schedules, monitor energy usage, and control the thermostat remotely via the Alexa app, enhancing comfort and convenience. The requirement of a C-wire ensures reliable power delivery to the device, supporting consistent performance and connectivity. Overall, this thermostat is a great choice for those looking to modernize their home climate control with an affordable and efficient smart device.

To buy this product, click here.

Frequently Asked Questions

Which Smart Thermostat Works Best With Alexa?

Ecobee, Honeywell, Emerson Sensi, Amazon, and Google Nest all support Alexa voice control. Choose based on features and budget. Ecobee Smart Thermostat Enhanced offers advanced smart home integration with Alexa, Siri, and Google Assistant.

Do Smart Thermostats Save Money On Energy Bills?

Yes, smart thermostats optimize heating and cooling schedules. They reduce energy usage by learning your routines. Products like Google Nest and ecobee are Energy Star certified for efficiency.

Are Smart Thermostats Easy To Install?

Most smart thermostats, including Amazon and Sensi Lite, offer DIY installation guides. Some models require a C-wire for power, like Emerson Sensi Touch and Amazon Smart Thermostat. Check compatibility before purchase.

Can I Control Smart Thermostats Remotely?

Yes, all listed thermostats provide Wi-Fi connectivity. You can adjust settings via smartphone apps anytime, anywhere. This feature helps manage energy use efficiently when away from home.

Which Smart Thermostat Monitors Air Quality?

The ecobee Smart Thermostat Premium includes an air quality monitor and smart sensor. It tracks indoor air conditions and adjusts settings to maintain comfort and safety.

Do Smart Thermostats Support Multiple Voice Assistants?

Yes, many models like ecobee and Google Nest support Alexa, Google Assistant, and Siri. This ensures compatibility with various smart home ecosystems for convenient voice control.

Conclusion

Finding the best smart thermostat deals online can significantly enhance your home’s comfort and efficiency. These devices, like the ecobee Smart Thermostat Essential and Honeywell Home RTH9585WF1004, offer ease of use and energy savings. Many models, including the Emerson Sensi Touch and Google Nest, are programmable and work with popular voice assistants like Alexa and Google Assistant.

This integration makes them easy to operate. The Amazon Smart Thermostat is another great choice for those interested in saving money and energy. It also offers compatibility with Alexa and Ring. The Sensi Lite Smart Thermostat stands out for its data privacy features and easy DIY installation.

Whether you choose the ecobee Smart Thermostat Premium or the Google Nest Learning Thermostat, these products provide comfort and control. Consider your needs, compatibility, and budget when selecting. Smart thermostats are a wise investment for a modern, energy-efficient home.

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