Embue - More than a smart thermostat. Sensors in every room.
ecobee - The smarter wi-fi thermostat
Honeywell Lyric - think Nest's infamous Learning Thermostat, but smarter
Netatmo - Control your heating wherever you are
SmokeD - The intelligent fire camera for homeowners
Nest Thermostat (3rd gen) - A slimmer, sharper, sexier thermostat