Nest e vs Nest 3rd Gen

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Energy saving while controlling home temperature has never been this easy. Thanks to Nest e and Nest 3rd Gen. These two products were designed with the final user in mind.

NEST has always been a reliable establishment that ensures users control temperatures at home using their best energy saving products like Nest e and Nest 3rd Gen. They are compatible with a wide variety of home appliances to make life easy whether you are home or enjoying the weather down at the beach.

In this article, we’ll compare these two products in terms of performance, design, specification, features and find out why it’s better to buy one over the other. Both of these two models from NEST are an ideal way to regulate temperatures at home.

However, it’s very important to note the differences that exist between Nest e and Nest 3rd Gen. So what’s the difference between these two products from NEST?

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Nest E vs Nest 3rd Gen design

Nest e comes with a white finish made of plastic and measures approximately 29mm in thickness and 81mm diameter. Its close competitor, Nest 3 gen comes with a stainless steel finish. This thermostat comes in four different colors for you to choose. The different colors of Nest 3rd gen are white, silver, black, and copper while Nest e comes in white color only. In terms of weight, Nest e is lighter than Nest 3rd gen because it comes with a plastic finish while Nest 3 Gen comes in the metallic finish. In terms of display Nest 3rd gen has a larger display compared to the small display in Nest e which is also made of frosted glass sometimes making it difficult to read it well. Here is a quick table showing the differences between these thermostats in terms of weight and measurements.

Nest e Nest 3rd Gen
  • Thickness:1.14 in (2.89 cm)
  • Diameter: 3.19 in (8.1 cm)
  • Thickness: 1.21 in (3.08 cm)
  • Diameter: 3.3 in (8.4 cm)
Weight 4.9 oz (139 g) 8.6 oz (243.7 g)
Resolution 320 x 320 480 X 480
Pixel Density 182 ppi 229 ppi
Display 1.76 inch diameter 3.25 inch diameter
Warranty 1-year limited warranty 2-year limited warranty
Compatibility The Nest Thermostat E works with 85% of 24V heating and cooling systems

  • Heating and Cooling: 1 stage of heating (W1) and cooling (Y1) and a second stage of either heating (W2) or cooling(Y2).
  • Heat pump: with auxiliary and emergency heat (O/B,AUX)
  • Fan(G)
  • Power (C, Rh or Rc)
The Nest Learning Thermostat works with 95% of 24V heating and cooling systems

  • Heating: 1,2, and 3 stages (W1, W2, W3)
  • Cooling: 1 and 2 stages (Y1,Y2)
  • Heat pump: with auxiliary and emergency heat (O/B, AUX,E)
  • Humidifier or dehumidifier (HUM,DEHUM)
  • Fan(G)
  • Power (C, RH,RC)

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Nest E vs Nest 3rd Gen Features

There is no noticeable difference between these thermostats in terms of features. The only noticeable difference between them is their design.

Pre-set schedule vs Learning

When you buy Nest e you’ll notice that it comes with a schedule that has been pre-set to help save as much energy as possible.This schedule can be changed the way you want by controlling the thermostat using a wide variety of platforms it’s compatible with. Nest App makes control of these thermostats from any location very easy.

Smart home integration

If you prefer using Amazon Alexa, Google Home or IFTTT to monitor and control temperatures in your house both Nest e and Nest 3rd Gen make it easy for you to rely on these home assistants.

Farsight only work for Nest 3rd gen

Nest 3rd Gen uses what is known as Farsight. This will show your room temperature, time or the weather on the display. Clock face can also be changed to analog or digital very easily depending on what you prefer.

This Farsight feature in Nest 3rd Gen helps it notice you while approaching and it can tell if someone is at home or not. The moment you walk by, this feature will light up your Nest 3 Gen. this is not the only function of Farsight. It will also detect when you or someone else is at home.

The only disadvantage of Farsight feature in Nest 3rd Gen is that it will still detect anything including your pet when it’s approaching thereby interfering with your settings or schedule.

It therefore means that this is a feature that is not suitable for everyone.


Both Nest e and Nest 3rd gen come with features capable of mastering your normal routine at home and ensuring that the room is heated to the right temperatures.

These two products are designed to make your life easy at home as they are compatible with a wide variety of Nest products, Android and iOS Apps.

Anytime you are not at home you do not have to worry about your Nest e or Nest 3rd Gen wasting energy because it will always turn down. You can also control any of these two thermostats from anywhere.
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Nest e vs Nest 3rd gen HVAC compatibility


It’s always advisable to be sure of your thermostat’s compatibility with HVAC before you buy. The good news here is that both Nest e and Nest 3rd gen can be used in almost all homes.

For instance, Nest 3rd gen is a thermostat compatible with almost all cooling and heating systems at home. The story remains the same for Nest e but compared to nest 3rd gen it’s compatible with fewer heating and cooling systems.

These two will also work very well in your room’s environmental condition.

When purchasing Nest e or Nest 3rd gen from Nest you can always use their compatibility checker to see if the thermostat you want to buy will be compatible with your home heating and cooling systems
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Nest e vs Nest 3rd gen Menu and Apps

These two thermostats can be controlled and adjusted very easily through Nest App which is available for Android and iOS. Through Nest App, you can remotely control your thermostat from your device, check the history of energy consumption, find out if there is danger and create an account for every member of your family.

Who Wins?

After analyzing and comparing what each of these two thermostats from Nest has to offer we came to a conclusion and we have a winner. The winner is definitely Nest e. It is more practical compared to Nest 3rd Gen. This is a good pick even if it is not compatible with many  HVAC Systems compared to Nest 3rd Gen. Despite having almost the same features, Nest e is way ahead of Nest 3rd Gen. The better option here is, therefore, Nest e thermostat.

Nest E thermostat not available on Amazon, but you can purchase it on nest store or the third-party retailers like BestBuy

 But Nest 3rd gen still available on Amazon: 

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