How to Upgrade your Nest Smart Thermostat to a 3rd gen Nest
- 9 years ago
When Xcel Energy sent along a new third generation Nest Learning Thermostat, we decided to pop off the old first gen unit and replace it. But it's not quite that easy to upgrade your smart wi-fi thermostat, as Dave Taylor of http://www.AskDaveTaylor.com/ finds out!