Choosing the Best Thermostat for Geothermal HVAC Systems

A geothermal system is undoubtedly the right choice these days because it is beneficial for power cost reduction and a lot more trustworthy than solar and wind production. Thanks to the stable underground heat in your backyard, it works efficiently throughout, irrespective of the weather conditions. But remember, a geothermal system that can heat and cool your home is not enough; you need to get your hands on the best option available in the market.

Keeping in mind the variety of thermostats for geothermal heating systems available in the market, we have jotted down the best ones to save you from making a wrong decision.

1. [amazon link=”B0131RG6VK” title=”Nest 3rd Generation T3007ES Google Learning Thermostat” /] – Best overall

Rating: 4.5/5

  • Stainless steel
  • Battery-powered
  • Wifi capability
  • Remote access
  • Sensors
  • Works with 95% of heating and cooling systems
  • Trim kit

Beautifully designed nest 3rd generation learning thermostat is a smart programmable thermostat that is smart enough to learn your schedule and work accordingly to save maximum power energy while equally complementing your home interior. The thermostat can be controlled through a nest application so that you can enter a preheated house after a stressful freezing day.

To the maximum, the user’s comfort nest thermostat works with google assistance and Alexa. The sensors can detect if you’ve left, so it shifts itself to eco temperature to save power energy. An HVAC monitoring thermostat checks your heating and cooling system and sends an alert notification if it detects any threat.

With a Nest thermostat, you don’t have to guess which temperature saves energy; a leaf on display notifies you of that. To keep users fully aware of the life used in the past, it holds an energy history also with a complete record of when and why you used energy.

This beautifully designed thermostat with a metal finish and high-resolution display prompts weather, time, and temperature upon entering the room. This smart and beautiful thermostat works with 95% heating and cooling systems while being easy to install, usually within half an hour. Independent studies have shown that a nest thermostat saves on average 10% to 20% on heating and 15% on cooling systems. The only drawback of this thermostat is that it requires timely software updates; otherwise, it may stop performing its duties.

2. [amazon link=”B01NB1OB0I” title=”Energy Star Certified Emerson Sensi Smart wifi Thermostat” /] – Best Features

Rating: 4.6/5

  • Wifi capability
  • Remote access
  • Usage report
  • Backlight
  • Touch screen display
  • Keypad layout
  • Works with Alexa
  • 7-day programmable

Emerson Sensi is a smart programmable thermostat that allows you to set the temperature back in your home while being miles through the Sensi application for android and IOS. Emerson Sensi smart thermostat can operate with available wires and is compatible with HVAC equipment. It does not require c-wire other for cool-only, heat-only, apple Homekit and heat pump.

The application guides you through each step of installation along with configured instructions, making it a 30 minutes installation process. It works with google assistant, apple Homekit, Amazon Alexa, and Samsung smart things. The flexible 7-days schedule feature maximizes your comfort by using geofencing, location-based temperature control, or letting you create your custom heating and cooling schedule.

This energy star-certified thermostat saves up to 23% on HVAC energy while generating a complete user report to current and past heating and cooling energy consumption. The only drawback of the Sensi smart thermostat is that after power lit must be rebooted manually after a power loss, one can indeed look at its features.

3. [amazon link=”B001FWZ7IW” title=”RTH7600D Honeywell 7-Day Programmable Thermostat” /] – Best Premium

Rating: 4.5/5

  • Touch screen
  • 7-day programmable
  • Automatic heating and cooling adjustment
  • Auto change from heat to cool

Honeywell’s 7-day programmable RTH7600D thermostat is the right choice for smart homes. It has various features that let you enjoy the perfect temperature inside your home, irrespective of the weather. The Honeywell thermostat has a large digital display that indicates the current room temperature. Honeywell’s thermostat maximizes your comfort through automatic heat to cool the switch.

This 7-days programmable thermostat is compatible with the majority of systems hence making installation easy. The smart response technology helps the thermostat to learn about the time required for the system to reach a specific temperature and adjusts accordingly.

4. [amazon link=”B00G4CIG7M” title=”Honeywell TH9320WF5003 Wireless wifi, 7 Programmable, Thermostat” /] – Best Value

Rating: 4.4/5

  • Alerts and reminders through application and display
  • Touch screen digital display
  • Work with Alexa
  • Wide display
  • Indoor and outdoor temperature display
  • DIY installation
  • Energy saving
  • Remote access through wifi
  • Smart response technology
  • Password protection

This seven programmable wireless wifi thermostat is designed to give you full command over the temperature in your house even if you are sitting miles away. The energy-saving mode is there to provide you ease on your monthly budget. You can control the entry consumption and temperature remotely through a wifi connection, and smart applications will notify you of any extreme conditions. This thermostat is compatible with most heating and cooling systems, including hydronic, oil, heat pump, gas, electric system, and forced- air. The wide color touch screen display keeps you updated from outdoor and indoor temperature and comfort information.

The smart response technology is capable of learning the heating and cooling cycles of your choice, through which it will labor to provide maximum comfort. With fan and comfort control, you can accelerate air circulation to regulate your whole place’s temperature. The best part of Honeywell 7 programmable thermostat is it allows you to protect it through a passcode so no one else can invade and disturb your preferred settings.

Installing a Honeywell thermostat is not a problem at all. The quick start guide available in the package will guide you through each step. The seven-day easy programming is there to reduce your burden of programming the device daily. If you like to regulate it regularly, give Alexa commands through your voice to minimize the hassle. The only con of this thermostat is that it requires a special C-wire to connect with HVAC equipment. In case of the thermostat malfunctions, you can contact the supplier within five years of purchase to claim its warranty.

How to choose the Best Thermostat for your Beautiful Place?

Now that you know the best thermostats for geothermal heat pumps available in the market, you must be wondering how to choose that solo device that will suit you best. Worry not; here is a quick guide to help you make the best choice because there is no compromise between you and your family’s comfort.

Compatibility with Geothermal Heating System

The first and foremost factor to consider before buying a thermostat is its compatibility with your heating pump. The majority of the thermostats are compatible with all types of geothermal systems, but not all are the same. You must ask your sales representative if the thermostat you are buying is capable of connecting with your HVAC equipment or not.

Wifi Connectivity

Wifi connection in a thermostat is a luxury that cannot be ignored; after all, who does not want to monitor, control, and set temperature in their house from a laptop, device, or a mobile phone. Wifi in a thermostat will allow you to monitor its energy consumption and control your device without leaving your room. It’s not that the non-wifi thermostat doesn’t work well. Still, if you ask us, wifi is a must in a thermostat because it does not just give you control but also keeps you updated through its alert feature in case of any extreme temperature condition. In short, it gives you better control with minimum effort.

Design and Overall look

Nobody wants to place and use a device that doesn’t go well with the house’s interior. People mostly check the features and forget to check the color and design when buying a thermostat. Don’t make the same mistake. Carefully check what the thermostat looks like, what colors and polish it has, if the screen is wide enough to read or not, if the backlight of the screen is OK lid to contrast the writing on the screen, or if the design and size of the thermostat are according to your space or not, before making the purchase.


What is the purpose of a thermostat?

A thermostat is a device that controls the temperature of the heating and cooling system in your home. If it is not there, your home might get too cold or too hot. It allows you to convey your preferred temperature to your heating and cooling system and helps you maintain your home temperature in just a few clicks.

How does an electronic thermostat work?

Electronic thermostats are considered the latest and mostly preferred nowadays. They are easy to understand. Electronic thermostats have sensors to detect whether your home’s desired temperature is maintained or not, along with other features such as wifi and programmable settings.

Do you need a particular thermostat for a geothermal system?

When it comes to purchasing a thermostat for a geothermal system, you can relax because various thermostats can be used with a geothermal heating system. It would be best if you considered the features of each thermostat before making your decision.

Will Nest thermostat work with geothermal?

Yes, the Nest thermostat will work with geothermal because it can work with almost 95% of 24 V systems, cooling, and heating systems. They work with all common fuel types: air, heat pump, hot water, oil, electric, solar and geothermal. Furthermore, the nest application will guide and inform you if your system is compatible with the nest thermostat beforehand.

What is the best thermostat for a heat pump?

The best thermostat is the one that has the most features at affordable prices. Nest 3rd generation T3007ES google learning thermostat is a battery-powered, wifi capable thermostat with sensors that can detect and stop heating or cooling an empty house. The users get to enjoy remote access through the nest app and support google assistant and Alexa. It works with 95% cooling and heating systems that make it stand out in various thermostats for geothermal.

Is geothermal better for heating or cooling?

When people plan to upgrade their HVAC system, they get confused if geothermal is better for heating and cooling. The simple answer to this question is YES!

There are plenty of reasons to say that a geothermal heating and cooling system is much more efficient than regular air conditioners. The first and most significant reason is electricity cost reduction. A geothermal system reduces energy consumption costs by 70% on cooling, heating, and hot water, which means a homeowner can recover the expense of a geothermal heating pump approximately within 4-5 years. A geothermal heating system is stable compared to solar and wind that produces energy only during peak sunlight and windy seasons.


People don’t buy programmable thermostats because they think it’s not easy to program them; however, the truth is quite the opposite. Don’t hesitate to go for an elegant and smart thermostat. We assure you that even the one with the most features is easy to understand and program; it’s just a matter of time. Just make sure to go for the one that is capable of working with your geothermal heat system.

According to our research, we have come to a point where we can say that [amazon link=”B0131RG6VK” title=”Nest 3rd Generation T3007ES Google Learning Thermostat” /] is a programmable thermostat and is the best among all the available out there. The features it offers work as a cherry on a tart when it comes to providing comfort in your home.