I did receive the email, but it does not give you a coupon code or
anything. Just a link to the site. Two are in one home and the third is
in another. The third appears to be third generation. O have to check
the other two, but I believe they’re newe...
It’s the nest thermostat E. I wasn’t planning on opening the package
unless it’s 3rd or 4th generation. Is there any way to tell without
opening the package? Like the serial number?
