I really don't know. I can't find any documentation on if/how it can
control a whole house humidifier. I don't see anything in the Home App
that references humidity settings. The lack of documentation for the
Nest is frustrating. If you can find docs...
So I just purchased the $129 version of the Nest (2021 version, no real
model number given that I can find). Very hard to find info or a manual
on any of these products The thermostat does report what my current
humidity level is, but as far as I c...