Don't throw away your old, unsupported Nest gadgets — Do this instead

If you have a first- or second-generation Nest Learning Thermostat, you may be wondering if it's still worth having.

If you have a first- or second-generation Nest Learning Thermostat, you may be wondering if it&#39;s still worth having.<p><img src="https://www.engadget.com/img/gallery/dont-throw-away-your-old-unsupported-nest-gadgets-do-this-instead/intro-1792679877.jpg" /></p>