The Nest E is a new offering by Google in the proclaimed smart thermostat range and has been out in the USA for a year. This device is different from its older counterparts by its ease of installation, something which does not require an engineer. The whole process is very easy, equatable to switching out a light bulb and anyone should be able to do it within an hour. The devices is comprise of two parts; a heating controller and the smart thermostat. This is also a cheaper device than the previous standard Nest thermostats. All tools required come with the product and the step by step installation can be found on the Nest app.