Target offers the 3rd-generation Nest Learning Thermostat
, model no. T3007ES, bundled with a $50 Target gift card
for $249 with free shipping
Coupon code "TGTGQJV7" cuts that to $244
a similar deal with an Amazon gift card
.) Assuming you use the gift card, that's the lowest total price we could find by $41. It improves on its predecessor with a slimmer profile and bigger display. It "learns" how you set your home's temperature, downloads data, and can be controlled from your smartphone (via WiFi). Note that not all home HVACs are Nest-compatible.
Update 2: Home Depot
offers it for $244 with free shipping via coupon code "HDHOLIDAY". Plus you can submit this mail-in rebate
to receive a $50 Home Depot Gift Card
. Rebate expires November 30.