Thank you!
I wasn't aware that Home Assistant could do this type of query - I'm hoping this happens through an integration with the Insteon Hub itself and not via the cloud services. I'm trying to disconnect myself from the Insteon online service. Not that I don't want to pay for it - I just don't trust it will be around for a long time. Insteon seems to be a dying platform but with a significant install base keeping it alive.
I have had GREAT success with the Hoobs bridge technology. It doesn't seem to support thermostats but the Insteon thermostats are not that great to begin with and I'll gladly replace.
Anyway, way too much information. Mostly just wanted to say thank you for getting back to me.