Overview
The Amazon Smart Thermostat is a smart upgrade for controlling a compatible 24V HVAC system. It supports temperature control through the Alexa app, Ring app, touch controls, and compatible Alexa-enabled devices.
Also, Alexa can switch between preferred home, away, and sleep temperatures. Manual temperature adjustments remain accessible through the app or three on-device touch buttons.
The thermostat is designed to automate temperature preferences and support on-the-go adjustments. It supports schedules, humidity sensing, vacation mode, emergency heat mode, and energy dashboard monitoring through the Alexa app.
Key takeaways
- The smart thermostat works with most 24V HVAC systems, including forced air, heat pumps, and radiant boilers.
- It uses 2.4 GHz Wi-Fi with 802.11 b/g/n connectivity.
- The Alexa app supports schedules, indoor humidity sensing, vacation mode, emergency heat mode, and energy dashboard monitoring.
- Alexa can adjust preferred home, away, and sleep temperatures through thermostat hunches and configured settings.
- The thermostat requires constant power through a C-wire or compatible power adapter kit.
- Guided installation in the Alexa app supplies step-by-step instructions for a DIY installation.
What the product is designed to do
The thermostat adjusts heating and cooling set points through app, voice, and on-device controls. It supports preferred home, away, and sleep temperatures for everyday temperature management.
Also, select Echo devices or the Amazon Smart Air Quality Monitor can support comfort zones. Automatic adjustments can use temperature readings or presence detection.
Thermostat hunches allow Alexa to adjust settings when nobody appears home or everyone appears asleep. Users can manually override those adjustments through the Alexa app.
The Alexa app also supports Choose Cleaner Energy settings. Alexa can adjust the set point to minimize usage when electricity is less clean.
Materials, dimensions, and technical details
| Detail | Specification |
|---|---|
| Dimensions | 3.56 x 3.56 x 0.84 inches |
| Weight | 3.86 ounces |
| Model | S6ED3R |
| Wi-Fi | 2.4 GHz, 802.11 b/g/n |
| Standby power | 0.89 watts |
| On-device controls | Temperature Up, Temperature Down, Select/Mode |
| Included items | Thermostat, installation tool, wall plate, cosmetic plate, quick start guide |
The thermostat uses Honeywell Home Thermostat Technology and combines HVAC experience with Alexa. It carries ENERGY STAR certification and ECOLOGO Gold certification.
In addition, the device and accessories use 36% post-consumer recycled plastics, excluding the installation tool. The packaging uses 93% wood fiber-based materials from responsibly managed forests or recycled sources.
Installation and placement notes
The Alexa app guides installation with step-by-step instructions. A power drill, 3/16-inch drill bit, and level may support the installation process.
Next, wiring should be documented before removing the existing thermostat. Wiring labels, a smartphone photo, or a terminal diagram can record the original connections.
Compatibility should be checked before installation. The thermostat works with most 24V HVAC systems but does not support 110–240V systems such as electric baseboard heat.
The system requires constant power through a C-wire or compatible power adapter kit. The guided installation process helps identify wiring and compatibility needs.
Performance characteristics described
The thermostat supports schedules with up to seven configurable time periods for each day. The Alexa app also includes vacation mode, emergency heat mode, and energy dashboard monitoring.
Also, the thermostat carries ENERGY STAR certification. EPA estimates connect ENERGY STAR certified thermostats with average yearly energy-bill savings of $50.
The device has no built-in speaker or microphone. Voice control requires a compatible Alexa-enabled device, while app control works through Alexa and Ring.
On-the-go temperature control allows adjustments through the Alexa app. The connected temperature controls also include three touch buttons on the thermostat.
For broader setup guidance, this smart thermostat review focuses on Alexa, Ring, installation, and day-to-day controls.
Review patterns buyers commonly mention
Buyers commonly call installation and setup easy. They also commonly highlight convenient phone control and straightforward management through the Alexa app.
However, feedback on functionality and performance is mixed. Some buyers report reliable operation, while others report interruptions during the night.
Alexa compatibility also receives mixed feedback. Some buyers report smooth Alexa control, while others focus on the single-account control structure.
Temperature control options receive mixed reactions as well. Some buyers consider the control choices less suitable for their preferences.
Pros
- Guided installation in the Alexa app supports a step-by-step DIY setup.
- The Alexa app supports schedules, humidity sensing, vacation mode, and energy monitoring.
- App, voice, and touch controls offer several ways to adjust temperature settings.
- Most 24V forced-air, heat-pump, and radiant-boiler systems fit the compatibility scope.
Cons
- The thermostat requires a C-wire or compatible power adapter for constant power.
- It does not support 5 GHz Wi-Fi or 110–240V electric baseboard systems.
- Household control uses one Alexa account.
- Buyer feedback on functionality, performance, and temperature controls is mixed.
FAQ
Which HVAC systems does the thermostat support?
It supports most 24V systems, including conventional forced air, heat pumps, and radiant boilers. It does not support 110–240V electric baseboard systems.
Does the thermostat require a C-wire?
Yes. It requires constant power through a C-wire or compatible power adapter kit.
Which Wi-Fi networks does it use?
It uses 2.4 GHz Wi-Fi with 802.11 b/g/n connectivity. It does not support 5 GHz or ad-hoc networks.
How can users control the temperature?
Users can control it through the Alexa app, Ring app, compatible Alexa-enabled devices, or three on-device touch buttons.
What comes in the box?
The box includes the thermostat, installation tool, wall plate, cosmetic plate, and quick start guide.