New Nest Thermostat 4th Generation Review. It comes at a premium but will ensure that you only use heating or. Nest thermostats can turn itself down when you leave the house, so you don’t waste energy on an empty home and nest thermostats save an average of.

New models don’t always live up to the task, but the prices surely increase when they’re launched. Nest thermostats can turn itself down when you leave the house, so you don’t waste energy on an empty home and nest thermostats save an average of.