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Are there not thermostats on the market that let you program schedules? If you do want something a bit more connected, thermostats in the Lyric line from Honeyw

Are there not thermostats on the market that let you program schedules? If you do want something a bit more connected, thermostats in the Lyric line from Honeywell[1] can give you things like scheduling and geofencing (e.g. "oh, you're on the way home, let me start cooling...") Of course, a geofence isn't going to function if you're offline, but the thing should definitely remember a time schedule to use as a backup when connectivity is lost. [1] I work for Honeywell

bluGill 9y ago
They exist, I have one and find it useless: When I go on vacation for a week there is no way to say "go to max energy savings while saving my pipes mode until just before I get back." I can reprogram the entire week, but then I lose what is the correct programming for normal until I reprogram it. Worse my house is uncomfortable when I get back - usually when I'm tired and want to jump into bed asap (if I know I'll get home about noon I'll look for a tourist thing to kill some time long before I get home). I don't always have the same schedule. When I'm home sick I don't want to reprogram it. Some weekends I'm at home all day, some I'm out all day - which program is right? IoT thermostats also through privacy and reliability concerns in. The old fashioned mercury thermostats from the 1950s still work as good as new. While your IoT thermostat work next year - some do not. All the above is made even harder because my house is headed by an air source heat pump: if I'm returning at 9pm it might or might not be better to start heating my house at 11am when the day is warmest. The algorithm depends on the weather which is best predicted the day of.
- Gracana 9y ago
  My Honeywell t-stat has a schedule and a hold function which can be either timed or permanent. If you want to lock a temperature, you can tap the hold button a couple times to set it to "permanent hold" and set the temperature to whatever you want.

bluGill 9y ago

They exist, I have one and find it useless: When I go on vacation for a week there is no way to say "go to max energy savings while saving my pipes mode until just before I get back." I can reprogram the entire week, but then I lose what is the correct programming for normal until I reprogram it. Worse my house is uncomfortable when I get back - usually when I'm tired and want to jump into bed asap (if I know I'll get home about noon I'll look for a tourist thing to kill some time long before I get home). I don't always have the same schedule. When I'm home sick I don't want to reprogram it. Some weekends I'm at home all day, some I'm out all day - which program is right? IoT thermostats also through privacy and reliability concerns in. The old fashioned mercury thermostats from the 1950s still work as good as new. While your IoT thermostat work next year - some do not. All the above is made even harder because my house is headed by an air source heat pump: if I'm returning at 9pm it might or might not be better to start heating my house at 11am when the day is warmest. The algorithm depends on the weather which is best predicted the day of.

Gracana 9y ago
My Honeywell t-stat has a schedule and a hold function which can be either timed or permanent. If you want to lock a temperature, you can tap the hold button a couple times to set it to "permanent hold" and set the temperature to whatever you want.