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Best Buy customers often prefer the following products when searching for small thermostat.

A thermostat is a device that senses the temperature in a room or house and automatically switches heating or cooling equipment on or off to maintain a selected temperature. Browse the top-ranked list of small thermostats below along with associated reviews and opinions.

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  1. AcuRite Wireless Thermometer with Digital Display - White - Front_Zoom
    Top comment

    "Needed a small weather station to show both inside and outside temps. "

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    Product Description

    With the AcuRite wireless digital thermometer, you’ll always know the current indoor and outdoor temperature and humidity from the comfort of your home! The wireless LCD display features a built-in thermometer to measure indoor temperature and hygrometer to measure indoor humidity. The included outdoor wireless sensor acts like an outdoor thermometer and hygrometer to record temperature/humidity and wirelessly transmit data to the indoor display. Adding a tech-forward flair to any kitchen, office, or bedroom, this completely wireless thermometer stands upright with its fold-out stand. The display requires three (3) AAA batteries (not included), and the weather-resistant outdoor sensor requires two (2) AA batteries (not included). This digital indoor/outdoor thermometer can be an ideal addition to any bathroom, bedroom, living room, or weather center. This thermometer comes with a one-year limited warranty.
    See all Smart Thermostats
    Top comment

    "Needed a small weather station to show both inside and outside temps. "

    See all customer reviews

    Product Description

    With the AcuRite wireless digital thermometer, you’ll always know the current indoor and outdoor temperature and humidity from the comfort of your home! The wireless LCD display features a built-in thermometer to measure indoor temperature and hygrometer to measure indoor humidity. The included outdoor wireless sensor acts like an outdoor thermometer and hygrometer to record temperature/humidity and wirelessly transmit data to the indoor display. Adding a tech-forward flair to any kitchen, office, or bedroom, this completely wireless thermometer stands upright with its fold-out stand. The display requires three (3) AAA batteries (not included), and the weather-resistant outdoor sensor requires two (2) AA batteries (not included). This digital indoor/outdoor thermometer can be an ideal addition to any bathroom, bedroom, living room, or weather center. This thermometer comes with a one-year limited warranty.
    See all Smart Thermostats
    See all Smart Thermostats
  2. Emerson - Sensi Touch 2 Smart Programmable Wi-Fi Thermostat-Works with Alexa - White Beveled Edge - Front_Zoom
    Top comment

    "Great wifi-thermostat , lots of options in such a small and convenient package....Easy features accurate thermostat....I’ve used many thermostats in the past this one Sensi has been the best one so far. "

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    Product Description

    Enhance your comfort with the next evolution of smart thermostats. The Sensi Touch 2 Smart Thermostat is designed for energy savings and data privacy – to give you full control of your home HVAC system. If you leave the house and forget to adjust your thermostat, the Sensi Touch 2 has you covered! With our top-rated Sensi Mobile app, you can remotely control your thermostat from virtually anywhere plus, you can monitor the performance of your home HVAC system with smart alerts and service reminders. Pair your Sensi Touch 2 with up to 15 Sensi room sensors (sold separately) to help you prioritize temperatures where you need it the most. With an easy installation process, dedicated customer service team of HVAC experts, and backed by over 100 years of HVAC experience, you can feel confident putting the Sensi Touch 2 Smart Thermostat on your wall.
    See all Smart Thermostats
    Top comment

    "Great wifi-thermostat , lots of options in such a small and convenient package....Easy features accurate thermostat....I’ve used many thermostats in the past this one Sensi has been the best one so far. "

    See all customer reviews

    Product Description

    Enhance your comfort with the next evolution of smart thermostats. The Sensi Touch 2 Smart Thermostat is designed for energy savings and data privacy – to give you full control of your home HVAC system. If you leave the house and forget to adjust your thermostat, the Sensi Touch 2 has you covered! With our top-rated Sensi Mobile app, you can remotely control your thermostat from virtually anywhere plus, you can monitor the performance of your home HVAC system with smart alerts and service reminders. Pair your Sensi Touch 2 with up to 15 Sensi room sensors (sold separately) to help you prioritize temperatures where you need it the most. With an easy installation process, dedicated customer service team of HVAC experts, and backed by over 100 years of HVAC experience, you can feel confident putting the Sensi Touch 2 Smart Thermostat on your wall.
    See all Smart Thermostats
    See all Smart Thermostats
  3. GE - CYNC Smart Programmable Thermostat - White - Front_Zoom
    Top comment

    "If you are sick of the old fashioned thermostats this smart thermostat is for you! It is completely electronic and works wonderfully. ...Great app and thermostat...Thermostat is a small frame so expect some touchup paint around the thermostat"

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    Product Description

    Get more control over your comfort. Preset your ideal temperature around your schedule and adjust it away from home through the CYNC app. Turn up the heat or cool down the room from bed using your voice and a Hey Google or Amazon Alexa device (sold separately). Set schedules in the CYNC app so you can cool the house down before bed and wake up to a warm room. The CYNC Smart Thermostat is compatible with most residential heating and cooling systems. Add CYNC Room Temperature Sensors (sold separately) and set your preferred temperature in the room you're in during different times of the day.
    See all Smart Thermostats
    Top comment

    "If you are sick of the old fashioned thermostats this smart thermostat is for you! It is completely electronic and works wonderfully. ...Great app and thermostat...Thermostat is a small frame so expect some touchup paint around the thermostat"

    See all customer reviews

    Product Description

    Get more control over your comfort. Preset your ideal temperature around your schedule and adjust it away from home through the CYNC app. Turn up the heat or cool down the room from bed using your voice and a Hey Google or Amazon Alexa device (sold separately). Set schedules in the CYNC app so you can cool the house down before bed and wake up to a warm room. The CYNC Smart Thermostat is compatible with most residential heating and cooling systems. Add CYNC Room Temperature Sensors (sold separately) and set your preferred temperature in the room you're in during different times of the day.
    See all Smart Thermostats
    See all Smart Thermostats
  4. Google - Nest Thermostat Trim Kit - Snow - Front_Zoom

    Model: GA01837-US
    SKU: 6428309
    Top comment

    "Thermostats template...Very nice plate, although it did fit the small space available....Fit the Nest very well and covered up small holes from previous thermostats."

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    Product Description

    The Nest Thermostat's perfect match. Designed to cover any imperfections on a wall from removing your old thermostat. It also includes a steel plate for installing the thermostat over an electrical box. And it comes in perfectly matched Nest thermostat colors.
    See all Smart Thermostats
    Top comment

    "Thermostats template...Very nice plate, although it did fit the small space available....Fit the Nest very well and covered up small holes from previous thermostats."

    See all customer reviews

    Product Description

    The Nest Thermostat's perfect match. Designed to cover any imperfections on a wall from removing your old thermostat. It also includes a steel plate for installing the thermostat over an electrical box. And it comes in perfectly matched Nest thermostat colors.
    See all Smart Thermostats
    See all Smart Thermostats
  5. Mysa - Smart Thermostat for Mini-Split Heat Pumps and Air Conditioners - White - Front_Zoom
    Top comment

    "We have no delivery to rural sask. The thermostats arrived quite quickly. I’m now ready for winter....Mysa Thermostats"

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    Product Description

    Start saving money by using energy more efficiently. The Mysa Smart Thermostat for Air Conditioners is a premium smart thermostat designed to control your home's electric cooling and heating. Say goodbye to your AC's inefficient LCD remote and take full control of your window, portable, and ductless mini-split heat pump AC units from anywhere by using the Mysa app on your smartphone or tablet. Each smart thermostat pairs with a single unit. To control multiple units, purchase additional thermostats then use the Mysa app to control them all.
    See all Smart Thermostats
    Top comment

    "We have no delivery to rural sask. The thermostats arrived quite quickly. I’m now ready for winter....Mysa Thermostats"

    See all customer reviews

    Product Description

    Start saving money by using energy more efficiently. The Mysa Smart Thermostat for Air Conditioners is a premium smart thermostat designed to control your home's electric cooling and heating. Say goodbye to your AC's inefficient LCD remote and take full control of your window, portable, and ductless mini-split heat pump AC units from anywhere by using the Mysa app on your smartphone or tablet. Each smart thermostat pairs with a single unit. To control multiple units, purchase additional thermostats then use the Mysa app to control them all.
    See all Smart Thermostats
    See all Smart Thermostats
  6. Google - Nest Smart Programmable Wifi Thermostat - Fog - Front_Zoom
    Top comment

    "Thermostat...Really like the look and the operating ease of these three thermostats. Installation very easy....Great Thermostat...I have them trigger all sorts of automation within our home, lights, music, etc.So glad I decided to go with Google's Nest thermostat"

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    Product Description

    Meet the Nest Thermostat, the helpful thermostat with a cozy price. It can turn itself down to save energy when you leave the house. You can control it from anywhere with the Google Home app - whether you're on an errand or in bed. And it's easy to install yourself.
    See all Smart Thermostats
    Top comment

    "Thermostat...Really like the look and the operating ease of these three thermostats. Installation very easy....Great Thermostat...I have them trigger all sorts of automation within our home, lights, music, etc.So glad I decided to go with Google's Nest thermostat"

    See all customer reviews

    Product Description

    Meet the Nest Thermostat, the helpful thermostat with a cozy price. It can turn itself down to save energy when you leave the house. You can control it from anywhere with the Google Home app - whether you're on an errand or in bed. And it's easy to install yourself.
    See all Smart Thermostats
    See all Smart Thermostats
  7. Emerson - Sensi Lite Smart Programmable Wi-Fi Thermostat-Works with Alexa - Black - Front_Zoom
    Top comment

    "Great thermostat...Great smart thermostat! Breeze to install and set up! Very happy...Great thermostat!...This thermostat was easy to install and the app is very user friendly."

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    Product Description

    Smart thermostats have never been so easy! Give your family’s comfort a smart upgrade. With the Sensi Lite smart thermostat, it’s never been easier. It all starts with a quick and simple installation—no common wire required with most systems. Our top-rated mobile app lets you manage your home’s HVAC from anywhere, anytime. Plus, your usage activity and personal data stays private. That’s the power of putting Sensi’s over 100 years of HVAC experience on your wall.
    See all Smart Thermostats
    Top comment

    "Great thermostat...Great smart thermostat! Breeze to install and set up! Very happy...Great thermostat!...This thermostat was easy to install and the app is very user friendly."

    See all customer reviews

    Product Description

    Smart thermostats have never been so easy! Give your family’s comfort a smart upgrade. With the Sensi Lite smart thermostat, it’s never been easier. It all starts with a quick and simple installation—no common wire required with most systems. Our top-rated mobile app lets you manage your home’s HVAC from anywhere, anytime. Plus, your usage activity and personal data stays private. That’s the power of putting Sensi’s over 100 years of HVAC experience on your wall.
    See all Smart Thermostats
    See all Smart Thermostats
  8. Google - Nest Smart Programmable Wifi Thermostat - Sand - Front_Zoom
    Top comment

    "Google Nest Smart Thermostat...Google Nest Smart Thermostats are amazing, they are smart and adaptable. ...Nest thermostats...I installed several of the Nest thermostats and they are really fantastic!! Great looking, easy to control and totally save energy. "

    See all customer reviews

    Product Description

    Meet the Nest Thermostat, the helpful thermostat with a cozy price. It can turn itself down to save energy when you leave the house. You can control it from anywhere with the Google Home app - whether you're on an errand or in bed. And it's easy to install yourself.
    See all Smart Thermostats
    Top comment

    "Google Nest Smart Thermostat...Google Nest Smart Thermostats are amazing, they are smart and adaptable. ...Nest thermostats...I installed several of the Nest thermostats and they are really fantastic!! Great looking, easy to control and totally save energy. "

    See all customer reviews

    Product Description

    Meet the Nest Thermostat, the helpful thermostat with a cozy price. It can turn itself down to save energy when you leave the house. You can control it from anywhere with the Google Home app - whether you're on an errand or in bed. And it's easy to install yourself.
    See all Smart Thermostats
    See all Smart Thermostats
  9. Amazon - Smart Programmable Thermostat with Alexa, C-Wire Required - White - Front_Zoom
    Top comment

    "Excellent Thermostat...Alexa app integrates multiple thermostats with ease and seamless....Excellent Smart Thermostat...Total tech install went smooth and the thermostats work great with Alexa. We are using two for our home."

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    Product Description

    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.
    See all Smart Thermostats
    Top comment

    "Excellent Thermostat...Alexa app integrates multiple thermostats with ease and seamless....Excellent Smart Thermostat...Total tech install went smooth and the thermostats work great with Alexa. We are using two for our home."

    See all customer reviews

    Product Description

    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.
    See all Smart Thermostats
    See all Smart Thermostats
  10. Emerson - Sensi Touch 2 Smart Programmable Wi-Fi Thermostat-Works with Alexa - Black Beveled Edge - Front_Zoom
    Top comment

    "Sensi Touch 2 is the New King of Smart Thermostats...Most Smart thermostats are made by electronics companies, not by thermostat manufacturers. ...Setting aside the difficulties Best Buy had in getting me this product (it took a month), this thermostat is pretty overpriced for what it does. Lacks many of the features of GE Cync smart thermostats or Google Nest smart thermostats. "

    See all customer reviews

    Product Description

    Enhance your comfort with the next evolution of smart thermostats. The Sensi Touch 2 Smart Thermostat is designed for energy savings and data privacy – to give you full control of your home HVAC system. If you leave the house and forget to adjust your thermostat, the Sensi Touch 2 has you covered! With our top-rated Sensi Mobile app, you can remotely control your thermostat from virtually anywhere plus, you can monitor the performance of your home HVAC system with smart alerts and service reminders. Pair your Sensi Touch 2 with up to 15 Sensi room sensors (sold separately) to help you prioritize temperatures where you need it the most. With an easy installation process, dedicated customer service team of HVAC experts, and backed by over 100 years of HVAC experience, you can feel confident putting the Sensi Touch 2 Smart Thermostat on your wall.
    See all Smart Thermostats
    Top comment

    "Sensi Touch 2 is the New King of Smart Thermostats...Most Smart thermostats are made by electronics companies, not by thermostat manufacturers. ...Setting aside the difficulties Best Buy had in getting me this product (it took a month), this thermostat is pretty overpriced for what it does. Lacks many of the features of GE Cync smart thermostats or Google Nest smart thermostats. "

    See all customer reviews

    Product Description

    Enhance your comfort with the next evolution of smart thermostats. The Sensi Touch 2 Smart Thermostat is designed for energy savings and data privacy – to give you full control of your home HVAC system. If you leave the house and forget to adjust your thermostat, the Sensi Touch 2 has you covered! With our top-rated Sensi Mobile app, you can remotely control your thermostat from virtually anywhere plus, you can monitor the performance of your home HVAC system with smart alerts and service reminders. Pair your Sensi Touch 2 with up to 15 Sensi room sensors (sold separately) to help you prioritize temperatures where you need it the most. With an easy installation process, dedicated customer service team of HVAC experts, and backed by over 100 years of HVAC experience, you can feel confident putting the Sensi Touch 2 Smart Thermostat on your wall.
    See all Smart Thermostats
    See all Smart Thermostats
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