Check the listing for details. Nest Thermostat E. Color: White, Condition: New. Listed at 69.99 USD. The Best Thermostat E is a white programmable thermostat from the Nest brand. It is designed to provide efficient heating and cooling control in homes. With its sleek design and advanced technology, the Best Thermostat E offers consistent and comfortable temperatures while helping users save on energy bills. Perfect for home improvement projects related to heating, cooling, and air systems, this thermostat is a reliable choice for maintaining a comfortable living environment.