What is the Best Smart Thermostat?

Do you care about your home’s air conditioning? Is your home hot or cold? You can easily control your home’s heat or cold using smart thermostats. Thermostats can be energy-cost savings. Worry less with your home temperature whether you are home or not.

As smart as the name sounds, use those to change your home’s temperature form any destination. They work well during winter or summer. Program the temperature settings according to your schedule

There are several things you need to consider when purchasing smart thermostats. The pricing of the thermostats matters. Can you be able to afford your desired model?

Do you understand the nature of your heating and cooling needs? You should be able to understand the different types of smart thermostats in the market.

Let us look at the five good smart thermostats in the market. We shall also delve into some other important details that can help you make a good decision.

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Types of Thermostats

The different types of thermostats entirely depend on your demand. There are various types of these thermostats. The one that you choose fits your needs and preferences.

The knowledge of understanding all of them is vital. At least you should know how and what they do for you to make a profound choice. Which are these types of thermostats?

Mechanical Thermostats

These thermostats are operated manually. Mechanical thermostats are simple two metal pieces laminated together. The difference in the capability of these metals to expand is what determines them.

When heated or cooled, the metals heat or cool with different rates. This is what controls the thermostat temperature. They only work with temperature ranges not the actual temperature settings.

This means that, if you have a mechanical thermostat, your rooms’ desired temperature falls in a temperature range. It can slightly be less or more your desired temperature.

In case this is your preferred choice; you should know the task ahead of you. Mechanical thermostats need an operator for them to work. You should always operate them for them to work.

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Digital Thermostats

They are similar to mechanical thermostats. Yes, they are manually operated. The difference comes in with the reading of temperatures. Digital thermostats display the readings on a screen.

These thermostats use thermistors. These items measure temperature from the sensors also known as thermometers. The temperature is then read and comprehended by the computer chips.

Immediately, this temperature is evaluated and displayed as a number on the screen. As the temperature changes, the cooling or heating factions respond accordingly. They will put on or off according to the interpretation of the signal.

These are computer-based algorithm thermostats. They are more accurate than mechanical thermostats. They can save you expenses on energy for some time.

Programmable Thermostats

These are slightly advanced from the mechanical and digital thermostats. These thermostats allow you to set the temperature. This will depend on the time of the day. You can set it cold if it is hot or vice versa.

Programmable Thermostats adjust temperature settings for you. They will lower or raise the temperature for you without your indulgence. They will maintain your favorable temperatures in hours.

They are made of microprocessors and thermistors sensors. They can do the following functions; they store and repeat the daily multiple temperature settings, which can be manually changed. They can save up to six or more temperature settings in a day.

They can also adjust air conditioning if the outside temperature changes. The temperature is displayed on liquid crystals. These thermostats can be programmed into your preferred temperature life and serve you unconditionally.

Smart Thermostats

They are the most advanced thermostats in the world. They have several amazing features that beat the rest of the thermostats. They consider modern technology and incorporate it a lot in their operation.

These are thermostats that slightly resemble the programmable thermostats. They can automatically control the heating or cooling of the house. They allow you to set schedules for temperature control.

The thermostats have added features like sensors and Wi-Fi connectivity. You can be able to connect to them through the internet. This is done through internet-connected devices. You can easily use a computer or a smartphone to set the temperature.

Smart Thermostat Buyers Guide

What is the Best Smart Thermostat

There are a lot of factors to consider while acquiring smart thermostats. The reasons why you need these thermostats matter a lot. It might be more than just temperature control and air conditioning.

Smart thermostats offer a range of quality services. They lead the pack of all other types of thermostats in terms of technology. Why really should you buy one of these smart thermostats?

  • Energy-saving –are you battling the increasing energy bill? Let the smart thermostat handle the automatic heating and cooling of your home. This will save you from the upsurging bills.
  • Control the home temperature from far – you can control the home temperature in or out of the home. Control it from the comfort of your bed or seat.
  • Solve the equation of human error – smart thermostats can learn your schedule. It can raise or lower temperatures while you in or out. In chase you leave heat or AC on, it can help in fixing the mess.
  • Watchdog feature – in case you are not home, the smart thermostat can help regulate the home temperature and you can use the smart app to follow that. Sometimes other smart thermostat apps will notify you through email if the thermostat is switched off. That could be because of a power failure at home or power outage.

What should you look at while buying the smart thermostats?

HVAC System

A good thermostat should be in line with your HVAC system. Voltage and compatibility should be considered. This is because different smart thermostats have different power demands. Most smart thermostats revolve around the normal voltage range of up to 240 volts.

Type of the Thermostat

In this case, you should evaluate how well you are versed in types. The various types of thermostats might confuse you. You might end up with the wrong choice. You should be able to differentiate the smart thermostats form the digital and programmable ones. Again, a smart thermostat requires the technical knowledge of their technology. How well can you operate a smart thermostat?

Price and Cost

The prices depend on the type and the manufacturer. This has to be in line with your preferred features and your budget. If you are okay with spending a lot, take the most advanced one which should be more expensive. If you are running on a tight budget, you can choose a good thermostat that is affordable.

How to install a Thermostat (Video)

Best Smart Thermostat for Alexa Reviewed 2021

Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat

Honeywell Home RTH9585WF1004 works perfectly with voice commands. In conjunction with any voice command platforms like Google Home, IFTTT, SmartThings, or Amazon Alexa; the voice assistant can raise or lower your temperature levels.

Talk of technology? The thermostat can connect to Wi-Fi. You can control the temperature with your hands. If you have a Smartphone, the Wi-Fi connection enables controlling the thermostat from any point.

The customized touch screen has easy to read digits and text. You can read and view the temperature levels. This includes both indoor and outdoor relative humidity.

It offers Programmable options that are flexible. This will fit your home or any other platform requirements. Your schedule is well covered and you can replicate it on this thermostat.

The other unique features include; air filter change reminders, high and low-temperature warnings, the status of internet connection, and humidifier pad replacement.


  • 12/24 hours adjustments
  • Full-color touch screen
  • Flexible programming
  • Intelligent alerts
  • Certified by ENERGY STAR
  • Wi-Fi connectivity
  • Multi-language


  • Voice control
  • Home tech compatibility
  • Simple DIY setup
  • Multi-color screen


  • No baseboard heat

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Emerson Sensi WI-Fi Smart Thermostat for Smart Home

Emerson Sensi can on HVAC energy. You can be able to save on your energy costs of over 20%. This is enabled through features like flexible scheduling, remote access, and App usage.

It is very easy to set up. It comes with step by step instructions that need less expertise to install. It takes you less than 30 minutes of installation. It is also a sizeable thermostat that needs no patching of the wall.

The thermostat is compatible with many smart home platforms. It is compatible with most HVAC systems in homes. It also works with Amazon Alexa, Google Assistant, and SmartThings.

You can be able to use your mobile app to monitor the temperature. Monitor and get daily reports on heating. You can also get past reports on the same using the app.

Emerson Sensi gives you the liberty to control it from anywhere. Use the Sensi mobile app for android and iOS to control it remotely. This gives you smart alerts to help detect temperature and humidity levels.


  • ENERGY STAR certified
  • Step by a step instruction manual
  • HVAC compatible
  • Utility rebates
  • Sensi app compatible
  • Wi-Fi connectivity


  • Saves energy
  • Flexible scheduling
  • Remote access
  • Easy to install


  • C-wire needed

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Honeywell Home WI-Fi 7-Day Programmable Thermostat

Honeywell Home thermostat comes along with 7-day programming. This involves 4 different program periods per day. This is a very flexible schedule that fits any situation. You do not have to worry about any schedule twist.

The ability to connect to Wi-Fi allows for remote access. Access the thermostat through smartphones or computers. This can be done through a free smartphone app for iPhone or Android operating systems.

Through the app, you can be able to access local weather updates form the web portal or app. This enables you to set the favorable temperature in your home in case of a harsh one outside.

The package comes with the other required accessories. You will be furnished with a wall plate, screws and anchors, guide, wire labels, cables, and other necessary tools.

The thermostat works with other voice command platforms. This includes; Amazon Alexa, Google Assistant, SmartThings, IFTTT, Bonomi, Wink, and Stringy. They are sold separately from the thermostat.


  • 7-day programming
  • 4 program periods per day
  • Wi-Fi enabled
  • Supports voice command platforms
  • Extensive compatibility
  • Smart response technology
  • Energy-star certified


  • Easy compatibility
  • Easy to use
  • Easy to read display
  • Saves energy


  • C-wire needed

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Emerson Sensi Touch WI-Fi Smart Thermostat with Touch screen Color Display

This is another thermostat that saves a lot in terms of energy. A 25% energy save can reduce your bills significantly. Adjust the temperature through scheduling and geofencing. Every customer wants this.

Emerson Sensi Touch WI-Fi Smart Thermostat is very easy to install and set up. The easy to click terminals and step by step instructions can help you set it up in less than 30 minutes.

It is compatible easily with home platforms. This includes Amazon Alexa, Google Assistant, Apple home kit, and SmartThings. This enables easy remote access to your thermostat.

The thermostat offers usage reports. This is done through monitoring day and past historical heating. You can also get rebates. This is done through; the rebate finder at sensei.emerson.com/rebates.

The remote control is easy. Control everything through your android smartphone or iPhone. This can be done using the Sensi mobile app. The app also gives smart alerts to help detect extreme humidity and temperatures.


  • Extensive compatibility
  • Works with most HVAC equipment
  • DIY installation process
  • Wi-Fi compatible


  • Saves energy
  • Flexible scheduling
  • Remote access
  • Easy to install


  • C-wire needed

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GoControl Z-Wave Battery-Powered Smart Thermostat

This thermostat works with voice command platforms. This is the Amazon Alexa platform. It also requires a hub and together with the voice commands, are sold differently.

The thermostat supports the Z- Wave functionality. This function helps a lot with power saving. This works well with energy-saving costs. It also saves battery life with this function.

It works very well with other HVAC systems. It does not matter whether the systems are standard or heat pumps.

On standard HVAC systems, it has the 2 stage heat and 2 stage cool systems. You can upgrade this system with a simple USB firmware. On a heat pump, it has a 3 stage heat and a 2 stage cool.


  • Z-Wave compatible
  • Works on standard HVAC systems
  • Works on Heat pump HVAC systems
  • Powered by battery


  • Energy saver
  • Easy to install


  • Battery needed

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