6 Best Alternatives to the Ecobee ecobee3 2nd Gen Remote (2026)
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You might be looking for ecobee ecobee3 smarter wi fi thermostat alternatives because the original model has specific limitations. The Ecobee ecobee3 2nd Gen with Remote Sensor offers solid room sensing and Alexa integration. It suits users who prioritize occupancy detection over built-in voice features. However, you may need a different spec, size, feature, or brand to match your home's unique requirements. Some buyers prefer a color touchscreen, while others want a more compact design or Energy Star certification. Others may simply want to switch from the Ecobee ecosystem to Google or Honeywell Home.
We selected these alternatives because their specifications overlap with the original unit. Each option on this list of 6 products shares key traits like Wi-Fi connectivity and smart home compatibility. You will find choices ranging from budget-friendly programmable units to premium models with advanced sensors. This guide focuses on practical differences in size, weight, and supported voice assistants. You can compare these options to find the best fit for your wiring setup and comfort needs. The goal is to help you decide which thermostat delivers the right balance of features for your space.
How alternatives compare to ecobee3
Google Nest Smart Wi-Fi Thermostat
The Google Nest Smart Wi-Fi Thermostat is a smaller unit measuring 3.31 by 3.31 inches with a height of 1.07 inches. It weighs only 4.96 ounces, making it lighter than the 1.35-pound ecobee3. This model is programmable and connects via Wi-Fi. It supports Google Home rather than Alexa, which is a key difference if you use voice assistants. It lacks remote occupancy sensors, so it cannot sense which rooms are occupied. You should choose this if you want automated energy savings and system monitoring without needing room-specific sensing. It is a practical option for homes where a C wire is unavailable.
Honeywell Home Smart Color Touchscreen Thermostat
The Honeywell Home Smart Color Touchscreen Thermostat features a larger display area with dimensions of 4.5 by 3.5 inches. It weighs 11.2 ounces, which is less than the ecobee3. This thermostat requires a C wire and is Energy Star Certified. It offers a touchscreen interface, unlike the ecobee3. It supports Alexa for voice control. This model prioritizes visual customization and broad voice assistant support over advanced occupancy sensing. You do not get remote sensors for room-specific comfort. Pick this unit if you want a color screen and multi-platform voice control. It is best for users who value visual feedback and certification over the sensor-based automation of the original.
Ecobee Smart Thermostat Premium with SmartSensor
The Ecobee Smart Thermostat Premium is a more robust choice with dimensions of 4.09 by 4.09 inches and a height of 1.02 inches. It weighs 1.32 pounds, similar to the ecobee3. It includes a SmartSensor for whole-home comfort and air quality monitoring. This model connects via Wi-Fi and supports Alexa. It is designed for buyers who want room-specific comfort and air quality data. You get included sensors, which the ecobee3 also has, but with enhanced features. Choose this if you already use Siri or Alexa and want to manage hot spots. It is the best premium option for those who need advanced air quality tracking alongside room sensing.
Google Nest Programmable Wi-Fi Thermostat (Renewed)
The Google Nest Programmable Wi-Fi Thermostat (Renewed) is a Snow-colored unit with dimensions of 3.31 by 3.31 inches. It is programmable and connects via Wi-Fi. It lacks remote sensors, so it cannot sense room occupancy like the ecobee3. This model fits users who want basic programmable scheduling and smart home integration. It is suitable for renters or homeowners who do not need complex wiring. It works with Google Assistant or Alexa. You should pick this if you need basic control without extra sensors. It is a practical choice for those who prioritize simplicity and existing wiring compatibility over advanced occupancy detection features.
Google Nest Programmable Wi-Fi Thermostat
The Google Nest Programmable Wi-Fi Thermostat in Charcoal has dimensions of 3.31 by 3.31 inches and a height of 1.07 inches. It weighs 4.96 ounces, making it lighter than the ecobee3. This model is programmable and connects via Wi-Fi. It does not include remote sensors for room-specific sensing. It fits homes with compatible wiring that need basic Wi-Fi scheduling. You do not get the occupancy detection of the original. Choose this if you want basic smart home control without extra sensors. It is best for users who rely on existing wiring and simple scheduling rather than advanced room-by-room comfort management.
Ecobee Smart Thermostat Enhanced
The Ecobee Smart Thermostat Enhanced is a black unit with dimensions of 4.09 by 4.09 inches and a height of 0.94 inches. It weighs 1.1 pounds, which is lighter than the ecobee3. This model is programmable and connects via Wi-Fi. It includes a C-wire adapter, which the original may require separately. It lacks included room sensors, so you cannot sense which rooms are occupied. You should pick this if you need smart home support without the cost of extra sensors. It is best for buyers who need a C-wire adapter and basic smart features. It is a practical option for those who do not require the sensor-based automation of the ecobee3.
Quick picks
Our 7 picks
Ecobee ecobee3 2nd Gen with Remote Sensor
Best for: Alexa users needing room-specific sensing
- Smart Home Compatibility
- Alexa
- Sensor Support
- Remote Sensor, occupancy
- Connectivity
- Wi-Fi
- Dimensions
- 3.95 × 3.95 × 0.93 inches
- Weight
- 1.35 pounds
This ecobee3 thermostat includes a remote sensor for occupancy detection. It connects via Wi-Fi and works with Alexa. The unit measures 3.95 inches square and weighs 1.35 pounds. It adjusts heating and cooling based on your home's energy profile and weather data. You get smart comfort control with room-specific sensing.
Pros
- Includes remote sensor for occupancy detection
- Wi-Fi connectivity for remote access
- Compatible with Alexa voice control
- Adjusts based on home energy profile
Cons
- No built-in voice assistant; requires separate Alexa device
- Limited smart home compatibility to Alexa only
- Basic display without color touchscreen
Good fit if
- You want room-specific temperature sensing
- You already use Alexa for voice commands
- You need Wi-Fi connectivity for remote control
Skip if
- You want built-in voice assistant
- You need multi-platform smart home compatibility
- You prefer a color touchscreen display
Verdict: Ecobee3 Smarter Wi-Fi Thermostat with Remote delivers solid room sensing and Alexa integration. It suits users who prioritize occupancy detection over built-in voice features.
Google Nest Smart Wi-Fi Thermostat
Best for: Google Home users wanting HVAC monitoring
- Wiring Requirement
- Works without C wire in most homes
- Smart Home Compatibility
- Google Assistant, Matter
- Programmability
- Programmable
- Connectivity
- Wi-Fi
- Dimensions
- 3.31 × 3.31 × 1.07 inches
- Weight
- 4.96 ounces
The Google Nest Thermostat is a programmable Wi-Fi device designed to manage home heating and cooling. It features HVAC monitoring to alert you to system issues and works without a C wire in most homes. You can control it via the Google Home app or voice commands through Google Assistant and Matter-certified devices. This compact unit suits users seeking energy savings through automated scheduling and remote access from any internet-connected device.
Pros
- Programmable scheduling via Google Home app
- Works without C wire in most homes
- HVAC system monitoring and alerts
- Compatible with Google Assistant and Matter
Cons
- Limited to Google Assistant and Matter voice control
- No built-in temperature sensor mentioned
- Requires C wire for some HVAC systems
Good fit if
- You use Google Assistant or Matter devices
- You want HVAC system health monitoring
- You need a programmable thermostat without C wire
Skip if
- You rely on Alexa or Apple Home
- You have a heating-only or cooling-only system
- You need a thermostat with a built-in sensor
Verdict: Google Nest Thermostat Sand fits users who want automated energy savings and system monitoring within the Google ecosystem. It is a practical option for homes where a C wire is unavailable or inconvenient.
Honeywell Home Smart Color Touchscreen Thermostat
Best for: Users wanting color screens and multi-platform voice control
- System Compatibility
- Forced air, hot water, steam, heat pump
- Wiring Requirement
- C-Wire Required
- Smart Home Compatibility
- Amazon Alexa, Google Assistant, Cortana
- Programmability
- Programmable
- Display Type
- Color touchscreen
- Sensor Support
- Humidity
View on Amazon: Honeywell Home Smart Color Touchscreen Thermostat
The Honeywell Home RTH9600WF is a Wi-Fi programmable thermostat with a customizable color touchscreen. It displays indoor and outdoor temperature, humidity, and daily weather forecasts. You can control it via the app or through Amazon Alexa, Google Assistant, and Microsoft Cortana. This Energy Star certified unit supports forced air, hot water, steam, and heat pump systems. It requires a C-wire for power. This model suits users who want visual customization and broad smart home integration.
Pros
- Customizable high-definition color touchscreen display
- Shows indoor/outdoor temperature, humidity, and weather forecast
- Compatible with Amazon Alexa, Google Assistant, and Microsoft Cortana
- Energy Star certified for energy tracking and tips
Cons
- Does not support electric baseboard heat (120-240V)
- Requires a C-wire for power
- No built-in occupancy sensor mentioned
Good fit if
- You want to change the screen color to match your decor
- You use Alexa, Google Assistant, or Cortana for voice control
- You have a forced air or heat pump system
Skip if
- You have electric baseboard heating (120-240V)
- Your HVAC system lacks a C-wire
- You need built-in occupancy sensing for remote rooms
Verdict: Honeywell Home RTH9600WF Color Thermostat fits users who prioritize visual customization and broad voice assistant support over advanced occupancy sensing.
Ecobee Smart Thermostat Premium with SmartSensor
Best for: whole-home comfort with room sensors
- System Compatibility
- 95% of HVAC systems
- Wiring Requirement
- Power Extender Kit (PEK) / C-wire
- Smart Home Compatibility
- Alexa, Siri, Google Home
- Sensor Support
- SmartSensor, air quality, occupancy
- Connectivity
- Wi-Fi
- Dimensions
- 1.02 × 4.09 × 4.09 inches
View on Amazon: Ecobee Smart Thermostat Premium with SmartSensor
The ecobee Smart Thermostat Premium features a large display with an elegant metal finish and built-in Siri or Alexa support. It includes a SmartSensor to detect occupancy and manage hot or cold spots. An air quality monitor tracks filter needs and alerts you when conditions drop. It works with 95% of HVAC systems and includes a Power Extender Kit for homes without a C-wire.
Pros
- Built-in smart speaker with Siri or Alexa support
- Includes SmartSensor for room-by-room comfort
- Built-in air quality monitor with alerts
- Power Extender Kit included for easy installation
Cons
- Requires Apple home hub for Siri functionality
- Smoke alarm detection needs ecobee Smart Security subscription
- Premium design is bulkier than essential models
Good fit if
- You want room-specific temperature control with the included SmartSensor
- You need built-in voice assistant support without extra devices
- You want to monitor indoor air quality and filter status
Skip if
- You only need basic scheduling without room sensors
- You prefer a minimalist design without a large display
- You do not have an Apple home hub for Siri
Verdict: The ecobee Smart Thermostat Premium is a robust choice for buyers who want room-specific comfort and air quality monitoring. It suits those who already use Siri or Alexa and want to manage hot spots with the included sensor.
Google Nest Programmable Wi-Fi Thermostat (Renewed)
Best for: Basic programmable smart home control
- Wiring Requirement
- Works without C wire in most homes
- Smart Home Compatibility
- Google Assistant, Alexa
- Programmability
- Programmable
- Connectivity
- Wi-Fi
- Dimensions
- 3.31 × 3.31 × 1.07 inches
View on Amazon: Google Nest Programmable Wi-Fi Thermostat (Renewed)
The Google Nest Thermostat is a programmable smart thermostat designed for home energy efficiency. It features Wi-Fi connectivity for remote control and mobile notifications. The unit works without a C wire in most homes, though some systems require one. It supports voice control via Google Assistant and Alexa. This compact device measures 3.31 inches square. It suits users seeking a straightforward, app-controlled thermostat that integrates with major smart home ecosystems.
Pros
- Programmable scheduling via Google Home or Nest app
- Works without a C wire in most homes
- Compatible with Google Assistant and Alexa
- ENERGY STAR certified for energy savings
Cons
- Renewed condition, not new
- No built-in remote sensor included
- Limited to Google Assistant and Alexa integration
Good fit if
- You want a programmable thermostat with Wi-Fi control
- Your system likely works without a C wire
- You prefer Google Assistant or Alexa voice control
Skip if
- You need a built-in remote sensor
- You require compatibility with Apple HomeKit
- You insist on buying a brand-new unit
Verdict: Google Nest Thermostat Snow is a practical choice for renters or homeowners who want basic programmable scheduling and smart home integration without complex wiring. It fits users who already use Google Assistant or Alexa for home control.
Google Nest Programmable Wi-Fi Thermostat
Best for: basic Wi-Fi scheduling with existing wiring
- Wiring Requirement
- C-wire may be required
- Programmability
- Programmable
- Connectivity
- Wi-Fi
- Dimensions
- 3.31 × 3.31 × 1.07 inches
- Weight
- 4.96 ounces
The Google Nest Thermostat in Charcoal is a programmable Wi-Fi unit designed for home climate control. It measures 3.31 by 3.31 inches with a slim 1.07-inch profile. The device weighs 4.96 ounces. You need to check your existing wiring because a C-wire may be required for installation. This compact design suits users seeking a straightforward smart thermostat that connects to your home network.
Pros
- Programmable scheduling capabilities
- Wi-Fi connectivity for remote management
- Compact 3.31-inch square design
- Slim 1.07-inch depth
Cons
- Requires a C-wire for most installations
- No included remote sensor
- No built-in temperature or humidity sensor
Good fit if
- You have a compatible C-wire available
- You want a compact Wi-Fi thermostat
- You prefer a simple programmable interface
Skip if
- You lack a C-wire and cannot install one
- You need a remote room sensor
- You want built-in humidity sensing
Verdict: Google Nest Thermostat Charcoal fits homes with compatible wiring that need basic Wi-Fi scheduling without extra sensors.
Ecobee Smart Thermostat Enhanced
Best for: Wi-Fi installation without a C-wire
- System Compatibility
- 90% of HVAC systems
- Wiring Requirement
- Power Extender Kit (no C-wire)
- Smart Home Compatibility
- Alexa, Google Assistant, HomeKit
- Programmability
- Programmable
- Sensor Support
- Occupancy sensing, SmartSensors
- Certification
- Energy Star Certified
The ecobee Smart Thermostat Enhanced is a Wi-Fi thermostat that learns your routine and adjusts for humidity. It includes a Power Extender Kit for homes without a C-wire. The unit supports Apple HomeKit, Alexa, and Google Assistant. It measures 4.09 inches square and weighs 1.1 pounds. This model suits users who want automated comfort and broad smart home integration without needing a separate remote sensor.
Pros
- Includes Power Extender Kit for C-wire-free installation
- Supports Apple HomeKit, Alexa, and Google Assistant
- Built-in occupancy and humidity sensing
- Learns your schedule and adjusts automatically
Cons
- No included room sensors for multi-zone comfort
- Smaller display compared to premium models
- Requires separate purchase of SmartSensors
Good fit if
- You need a C-wire adapter included in the box
- You use Apple HomeKit for smart home control
- You want a thermostat that learns your schedule
Skip if
- You need included room sensors for whole-home comfort
- You prefer a thermostat with a larger display
- You do not use Wi-Fi for remote control
Verdict: The ecobee Smart Thermostat Enhanced fits buyers who need a C-wire adapter and smart home support but do not require included room sensors.
Specifications side by side
| Spec | Ecobee ecobee3 2nd Gen with Remote Sensor | Google Nest Smart Wi-Fi Thermostat | Honeywell Home Smart Color Touchscreen Thermostat | Ecobee Smart Thermostat Premium with SmartSensor | Google Nest Programmable Wi-Fi Thermostat (Renewed) | Google Nest Programmable Wi-Fi Thermostat | Ecobee Smart Thermostat Enhanced |
|---|---|---|---|---|---|---|---|
| System Compatibility | not specified | not specified | Forced air, hot water, steam, heat pump | 95% of HVAC systems | not specified | not specified | 90% of HVAC systems |
| Wiring Requirement | not specified | Works without C wire in most homes | C-Wire Required | Power Extender Kit (PEK) / C-wire | Works without C wire in most homes | C-wire may be required | Power Extender Kit (no C-wire) |
| Smart Home Compatibility | Alexa | Google Assistant, Matter | Amazon Alexa, Google Assistant, Cortana | Alexa, Siri, Google Home | Google Assistant, Alexa | not specified | Alexa, Google Assistant, HomeKit |
| Programmability | not specified | Programmable | Programmable | not specified | Programmable | Programmable | Programmable |
| Display Type | not specified | not specified | Color touchscreen | not specified | not specified | not specified | not specified |
| Sensor Support | Remote Sensor, occupancy | not specified | Humidity | SmartSensor, air quality, occupancy | not specified | not specified | Occupancy sensing, SmartSensors |
| Certification | not specified | not specified | Energy Star Certified | not specified | not specified | not specified | Energy Star Certified |
| Connectivity | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi | Wi-Fi |
| Dimensions | 3.95 × 3.95 × 0.93 inches | 3.31 × 3.31 × 1.07 inches | 4.5 × 0.88 × 3.5 inches | 1.02 × 4.09 × 4.09 inches | 3.31 × 3.31 × 1.07 inches | 3.31 × 3.31 × 1.07 inches | 0.94 × 4.09 × 4.09 inches |
| Weight | 1.35 pounds | 4.96 ounces | 11.2 ounces | 1.32 pounds | not specified | 4.96 ounces | 15.9 ounces |
| Size | Universal | 1.07 x 3.31 x 3.31 Inches | 1 | 2.9 x 4.09 x 4.09 inches | not specified | not specified | Pack of 1 |
| Color | Black | Sand | White 1 | Black | Snow | Charcoal | Black |
| Model | EB-STATe3-O2 | GA02082-US | RTH9600WF2022 | EB-STATE6-01 | GA01334-US | T3007ES | EB-STATE6L-01 |
Frequently asked questions
Does the Google Nest Thermostat require a C wire?
No, it does not strictly require one. The Google Nest Thermostat Sand is designed to work in homes where a C wire is unavailable or inconvenient. It offers automated energy savings and system monitoring within the Google ecosystem, making it a practical choice for simpler wiring setups.
Which thermostat has a color touchscreen display?
The Honeywell Home RTH9600WF Color Thermostat features a color touchscreen. It fits users who prioritize visual customization and broad voice assistant support over advanced occupancy sensing. This model requires a C wire and connects via Wi-Fi for remote control.
Are room sensors included with the Ecobee Smart Thermostat Premium?
Yes, the Ecobee Smart Thermostat Premium comes with a SmartSensor. It suits those who already use Siri or Alexa and want to manage hot spots with the included sensor. This premium model provides whole-home comfort and air quality monitoring capabilities.
Can I use the Ecobee Enhanced without a C wire?
Yes, it supports installation without one. The ecobee Smart Thermostat Enhanced fits buyers who need a C-wire adapter and smart home support but do not require included room sensors. It is a programmable device that connects via Wi-Fi for reliable performance.
Is the Google Nest Thermostat Snow a renewed product?
Yes, the listing identifies it as renewed. The Google Nest Thermostat Snow is a practical choice for renters or homeowners who want basic programmable scheduling and smart home integration. It fits users who already use Google Assistant or Alexa for home control.
Which model is best for Alexa users needing room sensing?
The Ecobee ecobee3 2nd Gen with Remote Sensor is the top pick for this need. It delivers solid room sensing and Alexa integration. It suits users who prioritize occupancy detection over built-in voice features, offering universal size compatibility in a compact black design.
Does the Honeywell thermostat support multiple voice assistants?
Yes, it supports broad voice assistant compatibility. The Honeywell Home RTH9600WF Color Thermostat is Energy Star certified and works with Alexa. It is designed for users who want color screens and multi-platform voice control alongside programmable scheduling and Wi-Fi connectivity.