9 Best ecobee Smart Thermostats (November 2026)
The best ecobee smart thermostat models and bundles include the ecobee Smart Thermostat Enhanced for room-by-room comfort, the ecobee Power Extender Kit C-Wire Adapter-ecobee Smart for compatible homes without a C-wire, and the ecobee Trim Plate for Smart Thermostat Essential for Essential wall touch-ups.
On this page (6 sections)
The ecobee Smart Thermostat Enhanced is the best ecobee smart thermostat for most households because it includes a Power Extender Kit and trim plate, and supports add-on SmartSensors for room-level comfort. Choose Essential for a simpler ecobee setup, or compare Premium if you want its built-in air quality monitor and speaker.
Ecobee thermostat models differ in included accessories and the ways you can extend comfort around the home. The right choice depends on your wiring, whether you want room sensors, and which built-in features you will use.
Our picks at a glance
-
1
-
2
Best for compatible homes without a C-wireecobee Power Extender Kit C-Wire Adapter-ecobee Smart
9.7/10 our score
See it on Amazon -
3
Best for Essential wall touch-upsecobee Trim Plate for Smart Thermostat Essential
9.6/10 our score
See it on Amazon
- 4
Check itGoogle Nest Learning Thermostat
Best non-ecobee pick with a sensor included - 5
Best for Google Home schedulingCheck it - 6
Best for a traditional button layoutCheck it - 7
Best for Alexa routinesCheck it - 8
Check itHoneywell Home T5 Smart Wi-Fi Thermostat
Best for flexible schedules - 9
Check itRiseem WiFi Thermostats for Home Smart Thermostat
Best for compatible single-stage systems
How we compared ecobee thermostat models and bundles
Enhanced leads this roundup because it pairs installation accessories with support for optional room sensors. We compared model fit, bundle contents, wiring considerations and the specific needs each pick can address.
This list also includes alternatives from other brands for context, but only Enhanced, Premium and Essential are ecobee thermostat models.
| Product | Best for | Included wiring aid | Room sensors | HVAC compatibility | Our score |
|---|---|---|---|---|---|
| ecobee Smart Thermostat Enhanced | room-by-room comfort | Power Extender Kit | SmartSensors sold separately | ecobee says compatible with 90% of HVAC systems; check first | 9.1 |
| ecobee Power Extender Kit C-Wire Adapter-ecobee Smart | compatible homes without a C-wire | 9.7 | |||
| ecobee Trim Plate for Smart Thermostat Essential | Essential wall touch-ups | 9.6 | |||
| Google Nest Learning Thermostat | non-ecobee pick with a sensor included | 9.5 | |||
| Google Nest Thermostat | Google Home scheduling | 9.7 | |||
| Sensi Smart Thermostat | a traditional button layout | 9.3 | |||
| Amazon Smart Thermostat | Alexa routines | 9.0 | |||
| Honeywell Home T5 Smart Wi-Fi Thermostat | flexible schedules | 8.4 | |||
| Riseem WiFi Thermostats for Home Smart Thermostat | compatible single-stage systems | 8.8 |
The best ecobee smart thermostats and alternatives
The ecobee models are the focus, while the alternatives help you compare sensor bundles, controls and wiring needs. Start with the thermostat model, then confirm that any separate accessories match your home and installation.
ecobee Smart Thermostat Enhanced: Best for room-by-room comfort
- Includes Power Extender Kit and trim plate
- Works with add-on SmartSensors
- Occupancy sensing
- App and voice control
Enhanced includes a Power Extender Kit for homes without a C-wire and supports add-on SmartSensors to prioritize occupied rooms. It is a practical middle choice for households that want sensor flexibility.
Pros
- PEK and trim plate included
- Supports add-on SmartSensors
- Occupancy sensing
Cons
- SmartSensors sold separately
- Check HVAC compatibility before buying
Enhanced is the strongest fit for households that want optional room sensors without sourcing the wiring aid and trim plate separately. It includes a Power Extender Kit (PEK) for homes without a C-wire and a trim plate for a more finished installation.
You can add ecobee SmartSensors to detect occupancy and help prioritize comfort in rooms where people spend time. The sensors are sold separately, so budget for them only if room-by-room priorities are part of your plan.
The thermostat also senses occupancy and can adjust temperature when people are home, away or asleep. Ecobee says it is compatible with 90% of HVAC systems, but you should use its compatibility checker for your equipment before you buy.
If you want a closer feature breakdown, read our ecobee Smart Thermostat Enhanced review. For another model comparison, see ecobee Smart Thermostat Premium vs Enhanced.
Choose Enhanced if you want the PEK and trim plate included and may add room sensors later. If you need a built-in air quality monitor or speaker, compare Premium's features before deciding.
ecobee Power Extender Kit C-Wire Adapter-ecobee Smart: Best for compatible homes without a C-wire
- Provides a common-wire option for compatible systems
- Works with ecobee Smart Thermostat models
- For 24 VAC systems only
This accessory can help power a compatible ecobee thermostat in a home without a C-wire. It is not a thermostat model, so choose it only when your installation calls for a PEK.
Pros
- Designed for homes without a C-wire
- Compatible with ecobee Smart Thermostat models
Cons
- Not compatible with millivolt, high voltage, dual transformer, fan coil, or communicating units
- Essential and Lite do not include a PEK
The ecobee Power Extender Kit is an installation accessory for a compatible home without a C-wire. It is not a thermostat, and it does not belong in every ecobee thermostat bundle.
Ecobee includes a PEK with its Smart Thermostat models except Essential and Lite. The kit works with 24 VAC systems only, and ecobee lists several incompatible system types, including high voltage and communicating units.
That makes it most relevant when you have an ecobee model that needs the accessory and your wiring lacks a common wire. Confirm your equipment with ecobee's compatibility checker rather than assuming the adapter fits every installation.
For broader wiring context, use our guide to HVAC systems that work with smart thermostats. Choose the PEK only after confirming your system type and wiring needs.
ecobee Trim Plate for Smart Thermostat Essential: Best for Essential wall touch-ups
- Made for Smart Thermostat Essential only
- Covers old wiring and wall marks
- Required when mounting to a junction box
The Essential trim plate covers small holes, scuffs and marks left by an older thermostat. It is designed only for Smart Thermostat Essential.
Pros
- Covers wall imperfections
- Useful for junction-box installations
Cons
- Does not work with other ecobee thermostat models
The Essential trim plate is a finishing accessory for Smart Thermostat Essential only. It covers small holes, scuffs, old wiring marks and gaps left by a previous thermostat.
The trim plate may also be required when the thermostat mounts to a junction box. Because it does not work with other ecobee models, check the thermostat model before adding it to a bundle.
This is a practical choice when the wall needs a cover plate and you're installing Essential. It does not add sensors or change thermostat features.
Read our ecobee Smart Thermostat Essential review for a closer look at that thermostat. Choose the trim plate when you need its wall coverage, not as a general ecobee accessory.
Google Nest Learning Thermostat: Best non-ecobee pick with a sensor included
- Includes Nest Temperature Sensor (2nd gen)
- Learns temperature preferences and schedule
- Matter compatible
This Google option includes a room sensor and can learn preferred temperatures and schedules. Consider it if an included sensor matters more than staying within ecobee's app and model family.
Pros
- Sensor included
- Learns temperatures and routines
- Works with Alexa, Siri, and Google Assistant
Cons
- Not an ecobee thermostat
- Compatibility still depends on the HVAC system
The 4th generation Nest Learning Thermostat is a non-ecobee alternative that includes a room sensor in the package. That makes it useful for shoppers comparing ecobee sensor bundles with a thermostat that already comes with one sensor.
Google says the thermostat learns preferred temperatures and schedules, and lets you place its included Nest Temperature Sensor in a room and set the temperature it should reach at certain times. It also works with additional Nest Temperature Sensors.
The model works with most 24V systems, but compatibility still depends on your home's equipment. If staying within the ecobee app and model family is important, compare ecobee Premium and Enhanced instead.
Google Nest Thermostat: Best for Google Home scheduling
- Remote control in Google Home app
- Away temperature adjustment
- Designed to work without a C-wire in most homes
Nest Thermostat offers app scheduling and remote control for households using Google Home. It is a non-ecobee alternative, and some HVAC setups need a C-wire or power accessory.
Pros
- Remote app control
- Can lower the set temperature when you leave
Cons
- Not an ecobee thermostat
- Some system types may need a C-wire or accessory
The Google Nest Thermostat is a lower-complexity alternative for households using Google Home. It supports remote temperature changes in the app and can adjust its setting when you leave.
Google says it works without a C-wire in most homes, though some system types need a C-wire or another compatible power accessory. Check compatibility before you buy, especially if your system is heat-only, cool-only, zone controlled or a heat pump.
It does not come with a room sensor in the supplied product details, so compare that with the included sensor on the Nest Learning Thermostat if room-level readings matter.
Sensi Smart Thermostat: Best for a traditional button layout
- Button controls
- C-wire not required in most applications
- Flexible scheduling and remote access
Sensi keeps physical buttons and a familiar thermostat layout, with app access and flexible scheduling. It is another non-ecobee option for buyers who prefer buttons.
Pros
- Traditional button layout
- C-wire not required in most applications
Cons
- Not an ecobee thermostat
- Compatibility depends on the HVAC setup
Sensi suits buyers who prefer buttons on the thermostat itself and a familiar layout. Its app adds flexible scheduling, remote access and usage reports.
Sensi says a C-wire is not required in most applications, but “most” still leaves room for exceptions. Check your HVAC setup before installation, especially if you want to avoid wiring changes.
This is a non-ecobee pick for someone who values physical controls more than ecobee's sensor ecosystem. It also includes maintenance reminders such as filter replacement alerts.
Amazon Smart Thermostat: Best for Alexa routines
- Works with Alexa
- C-wire required
- Can use select Echo devices for comfort zones
Amazon Smart Thermostat fits homes already using Alexa, with automatic temperature changes for home, away and sleep routines. Check the C-wire requirement before considering it.
Pros
- Works with Alexa
- Can use select Echo devices for comfort zones
Cons
- C-wire required
- Not an ecobee thermostat
Amazon Smart Thermostat is a match for a home that already relies on Alexa. Alexa can switch between preferred home, away and sleep temperatures, and select Echo devices can help create comfort zones.
The key installation check is straightforward: this thermostat requires a C-wire. If your home lacks one, compare that requirement with an ecobee model bundle that includes a PEK, while still confirming system compatibility.
Honeywell Home T5 Smart Wi-Fi Thermostat: Best for flexible schedules
- 7-day flexible scheduling
- Location-based temperature control
- C-wire power adapter may be required
The T5 offers a weekly schedule or location-based temperature control. Confirm whether your system needs a C-wire adapter before choosing it.
Pros
- Flexible scheduling options
- ENERGY STAR certified
Cons
- Not an ecobee thermostat
- C-wire power adapter may be required
Honeywell Home T5 gives you a choice between 7-day scheduling and location-based temperature control. That can suit households whose plans vary through the week.
Honeywell notes that a C-wire power adapter may be required, so check your wiring before choosing this alternative. It is ENERGY STAR certified and provides monthly energy reports.
Riseem WiFi Thermostats for Home Smart Thermostat: Best for compatible single-stage systems
- For conventional single-stage 1 heat/1 cool systems
- Requires C-wire
- 2.4 GHz Wi-Fi only
Riseem is a basic non-ecobee option for compatible single-stage conventional systems. It requires a C-wire and does not support heat pumps or multistage systems.
Pros
- App control and 7-day scheduling
- System compatibility limits are clearly defined
Cons
- C-wire required
- Not compatible with heat pumps or multistage systems
Riseem is for a narrow set of systems: conventional single-stage 1 heat/1 cool equipment using a C-wire. It does not support heat pumps or multistage systems, so confirm the equipment type before considering it.
It supports app control and 7-day scheduling over 2.4 GHz Wi-Fi. The stated system limits make it a poor fit for a complex HVAC setup, but clear for shoppers whose system matches those requirements.
Which ecobee model differences matter most?
The biggest ecobee model differences are the included accessories, sensor options and built-in features. Enhanced includes a PEK and trim plate, while Essential and Lite do not include a PEK.
For room-by-room comfort, Enhanced can work with add-on SmartSensors, which are sold separately. If you are weighing Premium against Enhanced, our ecobee Smart Thermostat Premium review covers the Premium model in more detail.
Think about the bundle as a setup, not just a thermostat name. A room sensor helps if you want the system to account for a room beyond the thermostat's location, while a PEK addresses a compatible wiring need.
How do sensor bundles affect comfort?
A room sensor can give the thermostat information about a room away from the hallway or central living area. For Enhanced, ecobee SmartSensors are optional and sold separately.
Before adding sensors, decide which rooms should guide temperature decisions and when. A bedroom may matter most at night, while a family room may be the priority during the day.
If humidity is part of your comfort concern, see our guide to how a smart thermostat controls humidity. Sensor placement and humidity control are separate considerations, so compare each feature against the issue you want to address.
What should you check before choosing an ecobee thermostat?
Check HVAC compatibility, wiring, sensor needs and the exact model's included accessories before you choose. A model bundle can appear complete while still leaving out an optional room sensor or a PEK that Essential needs separately.
Take a photo of the thermostat wiring and identify your system type before starting an installation. If you're unsure which wire or system you have, ask an HVAC professional rather than guessing.
To get familiar with Premium controls and settings, use our guide on how to use ecobee Smart Thermostat Premium. If you need to stop heating or cooling temporarily, follow the steps in how to turn off an ecobee thermostat.
Which ecobee smart thermostat should you choose?
Choose Enhanced if you want an ecobee thermostat with a PEK and trim plate included, plus the option to add room sensors. Choose Essential if you want that model and need its trim plate for wall marks or a junction box, and remember the PEK is separate.
Compare Premium if its built-in features are a priority, and check your wiring and HVAC compatibility before choosing any model. The best ecobee smart thermostat is the one whose bundle matches your home's system and the rooms you want to control.
Our top 3 picks at a glance
-
1
-
2
Best for compatible homes without a C-wire
ecobee Power Extender Kit C-Wire Adapter-ecobee Smart
9.7/10 our score
See it on Amazon -
3
Best for Essential wall touch-ups
ecobee Trim Plate for Smart Thermostat Essential
9.6/10 our score
See it on Amazon
Frequently asked questions
Which ecobee thermostat is best for most homes?
The Smart Thermostat Enhanced is a flexible ecobee choice because it includes a Power Extender Kit and trim plate, and works with add-on SmartSensors. Choose Essential if you want that model's simpler setup, or compare Premium if its built-in air quality monitor and speaker matter to you.
Check HVAC compatibility before choosing any model.
What is the difference between ecobee thermostat bundles?
Bundle contents can change whether you get a room sensor or installation accessories with the thermostat. Enhanced includes a Power Extender Kit and trim plate, while SmartSensors for it are sold separately.
Compare the exact box contents for the model you want, then check whether your home needs a separate sensor or wiring accessory.
Does ecobee Smart Thermostat Essential include a Power Extender Kit?
No. ecobee says Smart Thermostat Essential and Smart Thermostat Lite do not include a Power Extender Kit. The separate ecobee PEK is designed for compatible 24 VAC homes without a C-wire.
Check your system's compatibility before installing an adapter, especially if your setup uses a less common HVAC system.
Do ecobee SmartSensors come with every thermostat?
SmartSensors are sold separately for Smart Thermostat Enhanced. A sensor bundle can be useful if you want to prioritize comfort in rooms away from the thermostat, but confirm the exact included accessories for the model and bundle you are considering.
For a non-ecobee comparison, the 4th generation Nest Learning Thermostat option here includes a Nest Temperature Sensor.
How can I check whether an ecobee thermostat works with my HVAC system?
Use ecobee's compatibility checker before buying and compare its result with your system wiring and equipment. The PEK works with 24 VAC systems only and is not compatible with millivolt, high voltage, dual transformer, fan coil, or communicating units.
If the wiring or system type is unclear, ask a qualified HVAC professional to identify it.
