Not yet. But close. I'm cheap and trying to squeeze the juice out of programming features of old fashioned 7 days thermostat, BUT spring is upon us and big temp swings are coming soon so getting at least one of these "smart" thermostat might be prudent.
On another note first test of programming failed. the bulb switches on and off from controller, but failed to start automatically tonight.
I've got occupancy sensors installed in my garage, mud room, and pantry. I'd install one in the master closet as well if my wife would let me. But it's super nice to have lights turn on automatically if I've got my arms loaded with groceries, then turn off if no motion is detected for 5 minutes.
For thermostat, I've got a Honeywell 9590, and I love it. Setting it to turn on the heat when we wake up, turn off while we're at work, cool air when we return home from work, and off when we sleep keeps the house comfortable when we need it to be and saves us money when we aren't using it. Only thing I don't like about it is that the temporary schedule changes (vacation mode and stay home from work mode) are cumbersome to program. It's not a feature we use very often, though, so that issue is easy to ignore.
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Honeywell 9580 is a pretty decent price, only lacking the voice control feature of the 9590. When I was in the market for mine, I read a bunch of comparisons between the Honeywell, the Nest, and the Ecobee offerings before settling on the Honeywell. For one thing, they've got a strong reputation for reliability. For another, the Honeywell lets you explicitly specify your desired schedule, whereas the Nest learns your habits over time. I forget what it was about the Ecobee I didn't like -- maybe just its unpopularity and unverified longevity?
Anyway, do with that information what you will. *shrug* But before deciding, it wouldn't be a bad idea to remove your existing thermostat from the wall and examine the wiring. If you don't have a "C" wire, that will limit your options for smart thermostats.