Best picks

9 Best Thermostats with Voice Control (November 2026)

Updated on · By the Thermostat Home team

The best smart thermostats with voice control include the ecobee Smart Thermostat Essential for broad voice assistant support, the Google Nest Learning Thermostat for learning schedules, and the Sensi Smart Thermostat for traditional controls.

On this page (3 sections)
  1. The best smart thermostats with voice control
  2. How do you choose a smart thermostat with voice control?
  3. Which smart thermostat with voice control should you choose?

The best smart thermostat with voice control is the ecobee Smart Thermostat Essential for most homes.

It supports Alexa, Google Assistant and Apple HomeKit, so you can change the temperature without walking to the wall.

The Google Nest Learning Thermostat is the better fit if you want learning schedules and an included room sensor.

Voice control helps when your hands are busy or you are across the room.

You can ask for a quick change without opening an app.

That ease matters when you are leaving or settling in for the evening.

Your HVAC wiring and system type come first, because voice support will not help if the thermostat cannot control your equipment.

Room sensors also matter, since a hallway reading may not match a bedroom or office.

Central HVAC and a mini-split need very different hardware.

A conventional wall thermostat connects to furnace or air conditioner wires, while a mini-split often needs a controller that works through its remote.

If you are new to automated temperature control, start with What Is Thermostat Automation? What It Means.

For Alexa homes, compare our guide to the best Alexa compatible smart thermostat.

Alexa focus can simplify pairing, but broader support may suit a household that uses more than one assistant.

Check compatibility before you remove the old thermostat.

Take photos of the existing wires and note each terminal label.

Confirm whether the system is single-stage, multi-stage or a heat pump, and check for a C-wire.

Keep the old thermostat until the new one is mounted and running.

Some accessories are sold separately, and voice control needs a compatible speaker, phone or built-in assistant.

A touchscreen will not suit everyone who prefers physical buttons.

Most homes will do well with flexible platform support and a careful compatibility check.

Our picks at a glance

  1. 1 ecobee Smart Thermostat Essential
    Best for broad voice assistant support

    ecobee Smart Thermostat Essential

    9.6/10 our score

    See it on Amazon
  2. 2 Google Nest Learning Thermostat
    Best for learning schedules

    Google Nest Learning Thermostat

    9.5/10 our score

    See it on Amazon
  3. 3 Sensi Smart Thermostat
    Best for traditional controls

    Sensi Smart Thermostat

    9.3/10 our score

    See it on Amazon
  1. 4ecobee Smart Thermostat Premium

    ecobee Smart Thermostat Premium

    Best for built-in speaker features
    Check it
  2. 5ecobee Smart Thermostat Enhanced

    ecobee Smart Thermostat Enhanced

    Best for occupancy-based comfort
    Check it
  3. 6Amazon Smart Thermostat

    Amazon Smart Thermostat

    Best for Alexa homes
    Check it
  4. 7Google Nest Thermostat

    Google Nest Thermostat

    Best for a simple Nest setup
    Check it
  5. 8Cielo Breez Breez Max Smart WiFi Thermostat

    Cielo Breez Breez Max Smart WiFi Thermostat

    Best for mini-split and room AC control
    Check it
  6. 9Riseem WiFi Thermostats for Home Smart Thermostat

    Riseem WiFi Thermostats for Home Smart Thermostat

    Best for single-stage C-wire systems
    Check it

The best smart thermostats with voice control

The best voice control thermostat for your home is the one that matches both your assistant and your HVAC system.

The ecobee Essential leads this group for broad platform support.

Other models target learning schedules, physical buttons, built-in assistants or special air conditioner setups.

That range matters because no single design fits every room or routine.

Our score weighs specs, features and buyer feedback against what you are shopping for.

We checked compatibility notes, control methods, included parts and the stated voice platforms rather than treating every smart thermostat as interchangeable.

In daily use, that means looking past the assistant name to the parts in the box.

A Power Extender Kit, a trim plate or a room sensor can change how easy the change feels.

It also means checking whether voice control works through a separate speaker or through the thermostat itself.

Set-up care begins with the same checks for each model.

Confirm the system type and the terminals before you start.

If a needed part is sold separately, plan for that step rather than assuming it is included.

For care after installation, keep the app updated and review schedules as seasons change.

A schedule that worked in winter may feel wrong in summer.

ProductBest forCompatibilityVoice platformsControlOur score
ecobee Smart Thermostat Essentialbroad voice assistant supportMost 24 VAC HVAC equipment; confirm systemAmazon Alexa, Google Assistant, Apple HomeKitTouchscreen and ecobee app9.6
Google Nest Learning Thermostatlearning schedulesAlexa, Siri and Google AssistantGoogle Home app and voice assistant9.5
Sensi Smart Thermostattraditional controlsAmazon Alexa, Apple HomeKit and Google AssistantButtons, app and voice9.3
ecobee Smart Thermostat Premiumbuilt-in speaker features9.2
ecobee Smart Thermostat Enhancedoccupancy-based comfortUp to 90% of HVAC systems; confirm systemAmazon Alexa, Google Assistant and Apple HomeKitecobee app and voice assistant9.1
Amazon Smart ThermostatAlexa homes9.0
Google Nest Thermostata simple Nest setupAbout 85% of heating and cooling systems8.9
Cielo Breez Breez Max Smart WiFi Thermostatmini-split and room AC controlAlexa, Google Assistant, Siri Shortcuts and Home Assistant8.8
Riseem WiFi Thermostats for Home Smart Thermostatsingle-stage C-wire systems8.8

ecobee Smart Thermostat Essential: Best for broad voice assistant support

1

ecobee Smart Thermostat Essential: Best for broad voice assistant support

ecobee Smart Thermostat Essential, smart thermostats with voice control
9.6/10Our score
  • Alexa, Google Assistant and Apple HomeKit
  • Wi-Fi and color touchscreen
  • No C-wire with separately sold PEK
  • Auto-scheduling and humidity detection

The Essential combines voice assistant support with a color touchscreen, app control and automatic scheduling. It suits households that want several ways to change the temperature.

See it on Amazon

Pros

  • Works with major voice ecosystems
  • Supports many 24 VAC systems
  • PEK option for homes without a C-wire

Cons

  • SmartSensor sold separately
  • Compatibility should be checked before installation

The ecobee Smart Thermostat Essential is the strongest all-around pick because it supports Amazon Alexa, Google Assistant and Apple HomeKit. You can change the temperature from its color touchscreen, through the ecobee app or with a compatible voice assistant.

It works with most 24 VAC HVAC equipment, including conventional systems, heat pumps and boilers, but compatibility still needs to be confirmed. The ecobee Compatibility Checker is especially important if your system has unusual wiring or equipment.

Homes without a C-wire can use the ecobee Power Extender Kit, which is sold separately. The thermostat also includes auto-scheduling, fan control and indoor humidity detection.

Add a SmartSensor separately if you want temperature and movement readings in another room.

Choose this model when you want flexible assistant support and a touchscreen in one thermostat. Its main trade-off is that some useful accessories, including the SmartSensor and PEK, may be separate purchases.

ecobee Smart Thermostat EssentialCheck it on Amazon

Google Nest Learning Thermostat: Best for learning schedules

2

Google Nest Learning Thermostat: Best for learning schedules

Google Nest Learning Thermostat, smart thermostats with voice control
9.5/10Our score
  • Alexa, Siri and Google Assistant voice control
  • Nest Temperature Sensor included
  • Works with most 24V systems
  • No C-wire required in most homes

The 4th-generation Nest Learning Thermostat suits people who want the thermostat to learn preferred temperatures and use a room sensor to manage hot or cold spots.

See it on Amazon

Pros

  • Learning algorithms
  • Included temperature sensor
  • Large display with automatic brightness

Cons

  • Compatibility still needs checking
  • Learning features may not suit people who prefer fixed schedules

The Google Nest Learning Thermostat suits people who want the thermostat to learn preferred temperatures and adjust as routines change.

It supports voice control through Google Assistant, Alexa and Siri, and it works with the Google Home app.

The included Nest Temperature Sensor helps you set the temperature for a particular room at a chosen time.

That can be useful when a hallway thermostat does not reflect the comfort of a bedroom or office.

Google says the thermostat works with most 24V systems, including gas, electric, oil, forced air, heat pump and radiant systems.

No C-wire is required in most homes, but you should still use the compatibility checker before installation.

The polished gold finish and larger display make this the design-focused option here.

Automatic brightness can help the display stay readable in different light.

Pick it if learning features and room sensing matter more than physical buttons or a fixed schedule.

For set-up, place the sensor in the room you care about most rather than the easiest spot.

Check that the room reaches the target at the time you set.

For care, review the learned schedule after a few weeks and adjust it as your routine shifts.

Learning helps most when the home routine is fairly regular.

If your work hours change often, a fixed schedule may feel clearer.

Google Nest Learning ThermostatCheck it on Amazon

Sensi Smart Thermostat: Best for traditional controls

3

Sensi Smart Thermostat: Best for traditional controls

Sensi Smart Thermostat, smart thermostats with voice control
9.3/10Our score
  • Alexa, Apple HomeKit and Google Assistant
  • Buttons and built-in level
  • Flexible scheduling and usage reports
  • C-wire not required in most applications

Sensi is a good match if you want voice control without giving up physical buttons. The ST55 also includes a mobile app, installation materials and 2 AA batteries.

See it on Amazon

Pros

  • Familiar button layout
  • Voice, app and touch control
  • Filter indicator and maintenance reminders

Cons

  • Most applications still need a compatible HVAC setup
  • Not designed around automatic learning

The Sensi Smart Thermostat is the best fit if you want voice commands while keeping a familiar button layout.

The ST55 supports Alexa, Apple HomeKit and Google Assistant, along with app and touch control.

Its built-in level and step-by-step app instructions are aimed at DIY installation.

A C-wire is not required in most applications, but your particular HVAC equipment still needs to match the thermostat's supported setup.

Sensi includes a free mobile app, 2 AA batteries, mounting hardware, wire stickers and installation guides.

Flexible scheduling, usage reports, a filter indicator and maintenance reminders give it more than basic remote control.

Choose Sensi if a traditional wall thermostat feels easier to use than a touchscreen-only design.

That familiar feel can help guests and family members who do not want to learn a new interface.

It is less focused on automatic learning, so buyers who want the thermostat to adapt to routines may prefer Nest.

For set-up, use the level and wire stickers to keep the install neat and clear.

Tag each wire before you remove it from the old unit.

For care, replace the AA batteries when prompted and check the filter reminder.

Usage reports can show when the system runs, which helps you spot wasteful patterns.

Sensi Smart ThermostatCheck it on Amazon

ecobee Smart Thermostat Premium: Best for built-in speaker features

4

ecobee Smart Thermostat Premium: Best for built-in speaker features

ecobee Smart Thermostat Premium, smart thermostats with voice control
9.2/10Our score
  • Built-in Alexa or Siri
  • SmartSensor included
  • Built-in air quality monitor
  • Power Extender Kit and trim plate included

The Premium is suited to buyers who want voice control built into the thermostat itself, plus room sensing and indoor air quality monitoring.

See it on Amazon

Pros

  • Built-in voice assistant
  • SmartSensor included
  • PEK and trim plate included

Cons

  • Higher feature load than a basic voice thermostat
  • Siri requires an Apple home hub

The ecobee Smart Thermostat Premium stands out because Alexa or Siri is built into the thermostat.

You can use voice commands at the wall, and the built-in speaker can also stream Spotify playlists or podcasts.

The included SmartSensor helps the thermostat respond to the room where people are spending time.

A built-in air quality monitor tracks indoor air quality and humidity, with alerts and filter reminders.

The Premium includes a Power Extender Kit for systems without a C-wire, a trim plate, backplate, wire labels, screws, drywall plugs and a quick start guide.

It is compatible with 95% of HVAC systems according to ecobee, but check your equipment before buying.

This is the right pick when voice control is only one part of a broader home comfort setup.

It suits households that want room sensing and air quality checks alongside temperature control.

It costs more in complexity than a basic thermostat, and Siri requires an Apple home hub.

For set-up, place the SmartSensor where people actually spend time, such as a living room or bedroom.

Pair the chosen assistant after the thermostat is wired and connected.

For care, keep the air quality alerts in mind and change the furnace filter when reminded.

That habit helps the humidity and air quality features stay useful.

ecobee Smart Thermostat PremiumCheck it on Amazon

ecobee Smart Thermostat Enhanced: Best for occupancy-based comfort

5

ecobee Smart Thermostat Enhanced: Best for occupancy-based comfort

ecobee Smart Thermostat Enhanced, smart thermostats with voice control
9.1/10Our score
  • Alexa, Google Assistant and Apple HomeKit
  • Occupancy sensing
  • Power Extender Kit and trim plate included
  • App and voice control

The Enhanced fits households that want voice commands, occupancy-based adjustments and a PEK for many homes without a C-wire.

See it on Amazon

Pros

  • Wide voice platform support
  • Occupancy sensing
  • PEK included

Cons

  • SmartSensors sold separately
  • Wired installation remains system-dependent

The ecobee Smart Thermostat Enhanced combines voice control with built-in occupancy sensing.

It works with Amazon Alexa, Google Assistant, Apple HomeKit and SmartThings, so it fits homes using more than one smart platform.

Its occupancy feature can adjust comfort when people are home or away, and the thermostat can preheat or precool before you arrive.

The ecobee app also handles remote changes, schedules, vacations and energy use.

The box includes the thermostat, backplate, wire labels, screws, drywall plugs, a Power Extender Kit and a trim plate.

The PEK helps homes without a C-wire, but it does not remove the need to confirm the full system compatibility.

Choose Enhanced when you want occupancy-based comfort without the Premium's built-in speaker and air quality focus.

It gives you a middle path between a basic voice thermostat and a feature-heavy model.

Add SmartSensors separately if you need room-by-room temperature readings.

For set-up, confirm the system type first, then follow the wiring guide step by step.

Use the trim plate to cover marks left by the old thermostat.

For care, review occupancy settings if the home feels too warm or too cool at certain hours.

Small schedule tweaks can match the routine better.

ecobee Smart Thermostat EnhancedCheck it on Amazon

Amazon Smart Thermostat: Best for Alexa homes

6

Amazon Smart Thermostat: Best for Alexa homes

Amazon Smart Thermostat, smart thermostats with voice control
9.0/10Our score
  • Alexa control
  • Works with Ring
  • C-wire required
  • Home, away and sleep temperature automation

Amazon's thermostat is a focused choice for an Alexa home. It can use Alexa to change temperatures and automate home, away and sleep settings.

See it on Amazon

Pros

  • Direct Alexa focus
  • Works with Ring
  • Remote Alexa app control

Cons

  • C-wire required
  • Less flexible for homes centered on other assistants

The Amazon Smart Thermostat is the clearest choice for a home built around Alexa and Ring.

Alexa can change the temperature, control home, away and sleep settings, and provide remote access through the Alexa app.

The thermostat requires a C-wire, so it is not the best option for an older system with uncertain wiring.

The Alexa app guides installation, but check the terminals and HVAC type before removing your existing thermostat.

Amazon also describes compatibility with select Echo devices and the Amazon Smart Air Quality Monitor for comfort zones based on temperature readings or presence detection.

Those devices are separate from the thermostat.

Pick this model when Alexa is your main assistant and your HVAC system has the required C-wire.

It will feel simple if your household already uses Alexa for lights, timers or routines.

Choose a broader platform thermostat if your household uses Google Assistant, Siri or Home Assistant.

That trade-off is the main limit, since the design is focused on one ecosystem.

For set-up, photograph the old wiring and confirm each label before you start.

Keep the Alexa app open during installation for guidance.

For care, review home, away and sleep settings as seasons change.

A sleep setting that felt right in summer may need a small change in winter.

Amazon Smart ThermostatCheck it on Amazon

Google Nest Thermostat: Best for a simple Nest setup

7

Google Nest Thermostat: Best for a simple Nest setup

Google Nest Thermostat, smart thermostats with voice control
8.9/10Our score
  • Google Assistant and Alexa voice control
  • Google Home scheduling
  • HVAC monitoring alerts
  • Works without a C-wire in most homes

The Google Nest Thermostat is a practical choice for Google Home users who want scheduling, remote control and voice commands without a learning thermostat.

See it on Amazon

Pros

  • Simple Google Home control
  • Manual control works without internet
  • C-wire not needed in most homes

Cons

  • Voice control needs a compatible smart device
  • Some systems need a C-wire or power accessory

The Google Nest Thermostat gives Google Home users voice control without the learning features of the 4th-generation Nest Learning Thermostat.

It works with Google Assistant and Alexa through a compatible smart device.

You can create schedules in the Google Home app and control the thermostat remotely from a phone, laptop or tablet.

It can also turn itself down when you leave and provide HVAC monitoring alerts for eligible systems.

Google says it works with about 85% of heating and cooling systems and does not need a C-wire in most homes.

Some heating-only, cooling-only, zone-controlled and heat pump systems need a C-wire or compatible power accessory.

This is a good choice for simple schedules and a modest Nest setup.

It suits households that want clear app control without extra learning features.

If you want an included room sensor and learning algorithms, the Nest Learning Thermostat is the stronger option.

For set-up, use the compatibility checker before you buy.

That step can save time if your system falls into an exception group.

For care, keep the Google Home app schedule current.

Vacation and seasonal changes are easy to miss, so review them each year.

Google Nest ThermostatCheck it on Amazon

Cielo Breez Breez Max: Best for mini-split and room AC control

8

Cielo Breez Breez Max Smart WiFi Thermostat: Best for mini-split and room AC control

Cielo Breez Breez Max Smart WiFi Thermostat, smart thermostats with voice control
8.8/10Our score
  • Alexa, Google Assistant, Siri Shortcuts and Home Assistant
  • Works with IR remote-controlled AC units
  • Temperature and humidity sensors
  • Weekly schedules continue during internet loss

Breez Max is made for room air conditioners with IR remotes rather than standard central HVAC wiring. It adds voice control, schedules and app control to compatible units.

See it on Amazon

Pros

  • Supports several voice platforms
  • Works with many IR-controlled AC units
  • Built-in temperature and humidity sensors

Cons

  • Needs line of sight to the AC
  • Not a conventional central-HVAC wall thermostat

The Cielo Breez Breez Max is the best voice control option here for a mini-split, window or portable air conditioner with an IR remote.

It is not a conventional central-HVAC thermostat that connects to standard wall wires.

Breez Max supports Alexa, Google Assistant, Siri Shortcuts, Samsung SmartThings, IFTTT and Home Assistant.

It also includes temperature and humidity sensors, weekly schedules, presets and app control.

Place it 6 to 12 ft from the air conditioner with a clear line of sight.

That placement matters because the unit sends commands to the AC through infrared control.

Schedules continue running when internet connectivity is lost, according to Cielo.

Choose this model when your room AC has an IR remote.

It is made for room units rather than wired furnace or central systems.

For a wired furnace or central heat pump, use one of the conventional thermostats above.

For set-up, point the unit toward the AC and test each mode.

Make sure curtains or furniture do not block the signal.

For care, keep the sensors unblocked and check the air filter status in the app.

Wiping dust from the surface can help the sensors read well.

Cielo Breez Breez Max Smart WiFi ThermostatCheck it on Amazon

Riseem WiFi Thermostats: Best for single-stage C-wire systems

9

Riseem WiFi Thermostats for Home Smart Thermostat: Best for single-stage C-wire systems

Riseem WiFi Thermostats for Home Smart Thermostat, smart thermostats with voice control
8.8/10Our score
  • 2.4 GHz Wi-Fi
  • 1 heat and 1 cool conventional systems
  • 7-day programming
  • App and button control

Riseem suits a narrow installation case: a conventional single-stage system with a C-wire. It provides app control and scheduling, but voice assistant support is not specified.

See it on Amazon

Pros

  • Clear single-stage compatibility limits
  • 7-day scheduling
  • Backlit LCD

Cons

  • Does not support heat pumps or multi-stage systems
  • Voice assistant support is not specified

Riseem is a narrow-use option for a conventional single-stage 1 heat and 1 cool system with a C-wire.

It supports app control, button control, 7-day programming and 2.4 GHz Wi-Fi.

It does not support multi-stage systems, heat pumps, heat-only systems, cool-only systems, mini-splits, PTAC units or 120 to 240V line-voltage systems.

It also does not support terminals such as W2, Y2, O/B, E, L or AUX.

The backlit LCD is sized for reading in dark rooms, and the thermostat uses a 24V C-wire power supply rather than batteries.

These limits make system matching more important than the low feature count.

Voice assistant support is not specified, so do not choose Riseem if spoken commands are a required feature.

It can make sense when app scheduling is enough and your wiring matches the listed terminals.

For set-up, compare the existing terminal labels with the supported list before you remove anything.

A mismatch can lead to abnormal working, so care at this stage matters.

Use only a 2.4 GHz network, since 5 GHz is not compatible.

For care, keep the manual handy for wiring questions.

If a terminal does not match, stop and seek help rather than guessing.

Riseem WiFi Thermostats for Home Smart ThermostatCheck it on Amazon

How do you choose a smart thermostat with voice control?

Choose the thermostat by checking assistant support, HVAC wiring and system type in that order.

A thermostat that supports your preferred voice platform can still be unsuitable if your equipment needs a C-wire, supports multiple stages or uses a heat pump.

Start with the assistant you use most, because daily voice habits matter.

If you ask Alexa for timers and lights, an Alexa-focused model will feel natural.

If you use Google Assistant for routines, a Nest model may fit better.

If you use more than one platform, an ecobee model with wide support can reduce friction.

Next, check the HVAC wiring in detail.

Photograph the old thermostat and note each wire label.

Confirm whether a C-wire is present and whether the system is single-stage or multi-stage.

For Alexa homes, the Amazon Smart Thermostat is focused and simple, while ecobee models add Alexa alongside Google Assistant and Apple HomeKit.

For Google Home, either Nest model provides a direct fit, with the Learning Thermostat adding schedule adaptation and a room sensor.

If you use Home Assistant, the Cielo Breez Max is the only product in this group that explicitly lists Home Assistant support.

Read Best Smart Thermostats for Home Assistant if your setup depends on that platform.

Test voice commands after the thermostat is wired and connected.

Try a small change first, such as one degree, and confirm the equipment responds.

Keep the old thermostat until the new one runs through a full heating or cooling cycle.

Some accessories are sold separately, and remote features need Wi-Fi.

Does voice control work with every HVAC system?

No. Voice control depends on both the thermostat's assistant support and its HVAC compatibility.

Central heating and cooling systems, heat pumps, boilers, mini-splits and line-voltage heaters use different requirements.

Check the equipment type, terminal labels and power method before installation. The Riseem model is limited to a single-stage conventional system, while Cielo Breez Max is designed for IR-controlled room air conditioners.

For systems with more than one heating or cooling stage, compare the compatibility information carefully. Our guide to the best two stage wifi thermostat covers a different system requirement than the single-stage Riseem.

Do you need a C-wire for voice commands?

You don't need a C-wire for voice commands themselves, but the thermostat may need one for power. The Amazon Smart Thermostat requires a C-wire, while ecobee Essential and Enhanced include Power Extender Kit options for some homes without one.

A missing C-wire does not prove that any thermostat will work. Check the manufacturer's compatibility tool and identify the existing terminals before beginning installation.

Does voice control work when Wi-Fi is down?

Usually, voice commands and remote app control need working Wi-Fi. Manual controls may still work, depending on the thermostat.

Google Nest Thermostat supports manual control without an internet connection, while its voice control needs a compatible smart device and working Wi-Fi.

Read Will a Smart Thermostat Work Without WiFi? if internet reliability is a major concern. A thermostat with local buttons can be easier to manage during an outage than one that depends mainly on voice commands.

Which smart thermostat with voice control should you choose?

Choose the ecobee Smart Thermostat Essential if you want the broadest mix of voice platforms, touchscreen control and HVAC support.

Pick the Nest Learning Thermostat if schedule learning and an included room sensor are more important.

Choose Sensi for physical buttons, Premium for a built-in assistant and air quality features, or Enhanced for occupancy-based comfort.

Alexa households can choose Amazon's model when a C-wire is available.

For an IR-controlled mini-split or room AC, choose Cielo Breez Max instead.

That choice depends on the AC responding to an IR remote rather than wall wires.

If your system uses Z-Wave as the main smart-home connection, read Best Z Wave Thermostats before choosing from this Wi-Fi-focused list.

For humidity questions, see How Does a Smart Thermostat Control Humidity? and [What Can a Smart Thermostat Control?

A Simple Guide](/what-can-a-smart-thermostat-control/).

For set-up, check the system type, terminal labels and C-wire status before you open any box.

Use the maker compatibility tool when one is offered.

For care, review schedules at the start of each season and test voice commands after major changes.

Some sensors and kits are sold separately, and voice control needs a compatible device and Wi-Fi.

Pick the design that matches your routine, your wiring and the assistant you already use.

Our top 3 picks at a glance

  1. 1 ecobee Smart Thermostat Essential
    Best for broad voice assistant support

    ecobee Smart Thermostat Essential

    9.6/10 our score

    See it on Amazon
  2. 2 Google Nest Learning Thermostat
    Best for learning schedules

    Google Nest Learning Thermostat

    9.5/10 our score

    See it on Amazon
  3. 3 Sensi Smart Thermostat
    Best for traditional controls

    Sensi Smart Thermostat

    9.3/10 our score

    See it on Amazon

Frequently asked questions

What is the best smart thermostat with voice control?

The ecobee Smart Thermostat Essential is the best smart thermostat with voice control for most homes because it supports Alexa, Google Assistant and Apple HomeKit. It also offers touchscreen and app control, automatic scheduling and compatibility with most 24 VAC HVAC equipment after you confirm your system.

Can a smart thermostat control temperature by voice?

Yes. Compatible smart thermostats can accept spoken temperature commands through Alexa, Google Assistant, Siri or another supported platform.

Voice control normally needs a working Wi-Fi connection and a compatible smart speaker, phone or built-in assistant.

Check the thermostat and assistant pairing requirements before installation.

Do voice control thermostats need Wi-Fi?

Most voice control thermostats need Wi-Fi for remote app access and cloud-based voice commands. Some still allow manual temperature changes without internet.

The Google Nest Thermostat, for example, can be controlled manually without an internet connection, while its voice features require a compatible device and working Wi-Fi.

Do smart thermostats work without a C-wire?

Some smart thermostats work without a C-wire, but the answer depends on the HVAC system. The ecobee Essential and Enhanced include options involving a Power Extender Kit, while the Amazon Smart Thermostat requires a C-wire.

Confirm the terminals and system type before removing the old thermostat.