
Customers often highlight the Nest Learning Thermostat's overall performance and ease of use as significant advantages. The design and temperature sensor are also well-received, with users appreciating their modern aesthetic and functionality. Installation is generally considered straightforward. However, some users have reported connectivity issues and uncertainty regarding compatibility with other Nest products.
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The Nest Learning Thermostat (4th gen) is Google’s smartest, most advanced thermostat yet. It’s a brilliant way to save energy and keep your home comfortable. It learns the temperatures you like, when you like them, even as your routine changes.¹ It gets to know how outdoor temps naturally heat and cool your home to save energy.¹ And it helps make sure your heating and cooling systems run smoothly.²

Nest 3rd Generation Smart Learning Thermostat: Take control of your home's heating and cooling without lifting a finger with this thermostat, which learns your habits and adjusts to automatically regulate your home's temperature based on your schedule. The Nest Leaf feature alerts you when you choose a temperature that's energy efficient.

Amazon Smart Thermostat is ENERGY STAR certified. Easily switch your traditional thermostat and help reduce energy usage. For on-the-go comfort, let Alexa set the temperature, or set it yourself from anywhere with the Alexa app. Amazon Smart Thermostat is compatible with most 24V HVAC systems (like conventional force air, heat pump, radiant boilers, etc). It does not work with 110-240V HVAC systems (like electric baseboard heat). Smart Thermostats require a C-wire (most homes have one) or a C-wire adapter kit (sold separately). Guided installation instructions are included in the Alexa app, and will walk you through checking for a C-wire or options for powering your thermostat.

ecobee Smart Thermostat Premium optimizes comfort while saving energy through superior intelligence and technology. It has a built-in air quality monitor, doorbell Live View, smoke alarm detection, and geofencing technology to understand occupancy. Included SmartSensor eliminates hot and cold spots and adjusts the temperature in the rooms that matter most. Works with Siri*, Alexa, Google Assistant, HomeKit, and SmartThings. *Apple home hub required to enable Siri.
| Pros for Google - Nest Learning Thermostat (4th gen) with Nest Temperature Sensor (2nd gen) - Polished Obsidian | |||
|---|---|---|---|
| Overall Performance, Ease of Use, Design, Installation, Temperature Control | There were no pros for this product— | Ease of Use, Overall Performance, Installation, Remote Control, Connectivity | Overall Performance, Ease of Use, Installation, Design, Air Quality Monitoring |
| Cons for Google - Nest Learning Thermostat (4th gen) with Nest Temperature Sensor (2nd gen) - Polished Obsidian | |||
| Compatibility, Connectivity, App Compatibility | There were no cons for this product— | Compatibility, C-Wire | Compatibility, App Usability |