10 Best Geothermal Thermostats 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

Emerson 1F83H-21NP Heat Pump (2H/1C) Non-Programmable Thermostat – ⭐ Best Overall Geothermal Thermostat

1F83H-21NP by Emerson Thermostats

  • Color: 3.75
  • Weight: 0.65 pounds
  • Dimensions: 6 x 1.1 x 3.8 inches
Emerson 1F83H-21NP Heat Pump (2H/1C) Non-Programmable Thermostat
  • Big, clear display - easily read in low lighting
  • Easy installation - built in level indicator, pluggable terminals and streamlined configuration menu
  • Advanced features - keypad lock, temperature limits, backlight button
  • Dual fuel standard - no sensors needed
  • Non-programmable

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat

RTH9585WF1004/W by Honeywell Home

  • Color: Gray
  • Weight: 1 pounds
  • Dimensions: 3.5 x 4.5 x 0.9 inches
  • Warranty: 1 year warranty.
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat
  • COMFORT COMES IN YOUR COLOR. Personalize your Wi-Fi Smart Color Programmable Thermostat to fit your décor.
  • YOUR SCHEDULE. YOUR WAY. Flexible programming options for your schedule or utility company’s peak rate pricing.
  • EASY OPERATION AND INTUITIVE. Bright, easy-to-read touchscreen makes for simple operation.
  • WEATHER SCREEN FEATURES. View the daily forecast on the screen, and check indoor and outdoor humidity.
  • EASY-TO-USE-APP. Choose from the Total Connect Comfort app or the Honeywell Home app to control your WiFi thermostat anytime, anywhere.
  • SMART HOME INTEGRATION. The Wi-Fi Smart Color is compatible with voice assistant devices like Amazon Alexa, Google Assistant, Microsoft Cortana, and more.
  • MONTHLY ENERGY REPORTS. Track your heating and cooling and get personalized tips on reducing energy use.
  • EFFICIENCY AND REWARDS. Works with utility programs across the US to bring you even more savings.
  • SMART ALERTS HELP YOU WORRY LESS. Get air filter change reminders, temperature notifications, internet connection alerts, and more.
  • Use with a non- Honeywell Home wire saver may cause product failure and void manufacturer’s warranty.

Honeywell Home RCHT8610WF2006/W

RCHT8610WF2006/W by Honeywell Home

  • Release date: 09/24/2018
  • Color: Black
  • Weight: 0.11 pounds
  • Dimensions: 4 x 4 x 1.3 inches
  • Warranty: 1 year warranty.
Honeywell Home RCHT8610WF2006/W
  • Works with Alexa for voice control (Alexa device sold separately).
  • Product requires C-Wire, unit will not work without it.
  • Control your Smart Home with Amazon Alexa for voice control (Alexa device sold separately) and Apple HomeKit with voice control using Siri, the Apple voice assistant
  • 7-Day Flexible Scheduling or Location Based Temperature control (GeoFencing). Uses geofencing technology to keep track of your smart phone's location;Auto changeover: The Lyric T5 smart thermostat can be set to determine if the home's system should be in heating or cooling mode to provide maximum comfort
  • Adaptive recovery learns how long it takes to achieve the right temperature at the right time and automatically runs your system to get to your desired temperature when you want it, with auto change from heat to cool
  • Smart Alerts - push notifications for filter changes and extreme temperature warnings keeps you informed
  • Energy Star Certified.The Lyric T5 Wi-Fi smart thermostat is compatible with most single-stage and multi-stage conventional and heat pump heating and cooling systems. Provides remote thermostat control through iOS or Android smartphones and tablets. Compatible with Apple HomeKit and Amazon Echo

Emerson Sensi Wi-Fi Smart Thermostat for Smart Home

ST55 by Sensi

  • Release date: 05/22/2017
  • Weight: 0.85 pounds
  • Dimensions: 3.8 x 5.9 x 1 inches
  • Warranty: 3 years.
Emerson Sensi Wi-Fi Smart Thermostat for Smart Home
  • EDITORS CHOICE BEST VALUE SMART THERMOSTAT by USA Today’s Reviewed.com
  • SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR certified Sensi thermostat helps you save on your HVAC energy costs, with features like geofencing, 7-day flexible scheduling, remote access and in-app system usage.
  • MOST INSTALL IN 30 MINUTES OR LESS**: Use the built-in level and step-by-step app instructions for a quick installation. Skip any extra work painting or patching the wall thanks to the standard thermostat size.
  • SMART HOME COMPATIBLE: Works with Amazon Alexa, Google Assistant, Apple HomeKit (c-wire required), and Samsung SmartThings smart home platforms.
  • USAGE REPORTS: Monitor current day and historical heating, cooling and fan runtimes right in the app.
  • CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices.
  • SMART ALERTS: Sensi features smart alerts to help detect extreme temperature and humidity levels in your home.
  • CIRCULATING FAN: Air circulation may improve indoor air quality by helping to regulate temperature and prevent buildup of particles and mold.

ecobee3 Lite SmartThermostat

EB-STATE3LT-02 by ecobee

  • Color: Black
  • Weight: 1 pounds
  • Dimensions: 4.1 x 1 x 4.1 inches
  • Warranty: 3 year limited warranty.
ecobee3 Lite SmartThermostat
  • Advanced control from anywhere using your Android or iOS device
  • Integrates seamlessly with your preferred smart home system
  • Energy Star certified, plus you can save up to 23% annually on heating and cooling costs. Compared to a hold of 72°F
  • Add SmartSensor to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most
  • Thoughtfully designed to illuminate when you’re nearby. Check the temperature, humidity, and 5-day weather forecast
  • Worthy of your wall. Fits beautifully into your home

Honeywell Home Home RTH6360D1002 Programmable Thermostat – 💲 Best Budget Geothermal Thermostat

RTH6360D1002 by Honeywell Home

  • Color: White
  • Weight: 1 pounds
  • Dimensions: 5.5 x 1 x 3.5 inches
Honeywell Home Home RTH6360D1002 Programmable Thermostat
  • Flexible programming: 5-2 day or one week programming
  • Large backlit display shows current room temperature and set point temperature simultaneously
  • Smart response learning - learns your heating/cooling cycle times to deliver the right temperature when you want it
  • Auto change from heat to cool
  • Includes change reminders for air filters and low batteries
  • Temporary and permanent hold settings
  • Real-time clock automatically adjusts for daylight savings time
  • Program is retained in memory in the event of a power outage
  • 12 or 24-hour time display

Honeywell Home RTH7600D 7-Day Programmable Touchscreen Thermostat

RTH7600D1030/E1 by Honeywell Home

  • Color: White
  • Dimensions: 6 x 1 x 3.3 inches
  • Warranty: 1 year product warranty.
Honeywell Home RTH7600D 7-Day Programmable Touchscreen Thermostat
  • 7-Day menu-driven programming with 4 periods per day
  • Large backlit touchscreen display shows current room temperature and set point simultaneously
  • Smart Response Technology allows the thermostat to learn the amount of time a system needs to reach a desired temperature and adjusts accordingly
  • Auto change from heat to cool
  • Includes change reminders for filters and low batteries

Google Nest Learning Thermostat – 👑 Premium Pick

T3007ES by Google

  • Release date: 01/01/2018
  • Color: Stainless Steel
  • Weight: 1 pounds
  • Dimensions: 3.3 x 3.3 x 1.2 inches
Google Nest Learning Thermostat
  • Programmable smart thermostat that learns your schedule and the temperatures you like and programs itself to help you save energy and stay comfortable
  • Home/Away Assist automatically adjusts itself to an Eco Temperature after you leave, so you don’t heat or cool an empty home
  • Remote control lets family members change the temperature from anywhere on a phone, laptop, or tablet[1]
  • With Energy History, just check your phone to see how much energy you used and why, or use Quick View on the display to reach Energy History, settings, or your schedule; the Nest Leaf appears when you choose a temperature that saves energy
  • Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier[2]
  • The Nest Learning Thermostat works with the Nest Temperature Sensor (sold separately) to help make sure a certain room is the exact temperature you want it to be
  • Beautifully designed, with polished metal finishes and bright, high resolution display; Farsight shows you the temperature, weather, or time on your thermostat when you walk in the room
  • It’s easy to install your thermostat, typically in 30 minutes or less, with everything you need included in the box; compatible with 95% of heating and cooling systems
  • Google Nest Learning Thermostat (Stainless Steel) with a Google Authenticity Seal
  • Please refer to the product description section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.)

Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF)

RTH6580WF1001/W1 by Honeywell Home

  • Release date: 08/27/2019
  • Color: White
  • Weight: 1.2 pounds
  • Dimensions: 5.8 x 1.5 x 3.5 inches
Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF)
  • THERMOSTAT THAT FITS YOUR LIFE. 7-day, 4 periods per day, flexible programming lets you sync your comfort with your schedule.
  • EASY-TO-USE-APP. Choose from the Total Connect Comfort app or the Honeywell Home app to control your WiFi thermostat anytime, anywhere.
  • SMART HOME INTEGRATION. The Wi-Fi 7-Day is compatible with voice assistant devices like Amazon Alexa, Google Assistant, Microsoft Cortana, and more.
  • SIMPLE INSTALL FOR A DIY PROJECT. The Wi-Fi 7-Day Programmable Thermostat is easy to configure and install yourself.
  • EFFICIENCY AND REWARDS. The Wi-Fi 7-Day works with utility programs across the US to bring you even more savings.
  • EASY OPERATION AND INTUITIVE. Big, backlit digital display and easy controls make for a user-friendly experience.
  • SMART ALERTS HELP YOU WORRY LESS. Get air filter change reminders, temperature notifications, internet connection alerts, and more.
  • LEARNS YOUR COMFORT LEVELS. Smart Response feature learns your home's cycles to help deliver the right temperature.
  • ENERGY STAR CERTIFIED. Honeywell Home Wi-Fi thermostats are energy-efficient without sacrificing performance.
  • Use with a non- Honeywell Home wire saver may cause product failure and void manufacturer’s warranty.

Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display

ST75 by Emerson Thermostats

  • Release date: 05/22/2017
  • Color: Black
  • Dimensions: 3.4 x 5.6 x 1.2 inches
  • Warranty: 3 years
Emerson Sensi Touch Wi-Fi Smart Thermostat with Touchscreen Color Display
  • EDITORS CHOICE BEST OVERALL SMART THERMOSTAT by USA Today’s reviewed.com
  • SAVE ABOUT 23% ON HVAC ENERGY*: By adjusting the temperature using flexible scheduling, remote access, and geofencing, Sensi customers saved about 23% on HVAC energy usage
  • MOST INSTALL IN 30 MINUTES OR LESS**: Use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation. Skip any extra work painting or patching the wall thanks to the standard thermostat size.
  • SMART HOME COMPATIBLE: Works with Amazon Alexa, Google Assistant, Apple HomeKit, and Samsung SmartThings smart home platforms.
  • USAGE REPORTS: Monitor current day and historical heating, cooling and fan runtimes right in the app.
  • CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices.
  • SMART ALERTS: Sensi features smart alerts to help detect extreme temperature and humidity levels in your home.
  • CIRCULATING FAN: Air circulation may improve indoor air quality by helping to regulate temperature and prevent buildup of particles and mold.

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