Shared household access is positively noted as a way to give additional family members control.
Pros: conventional HVAC compatibility, touchscreen responsiveness
Cons: presence-based automation
Best Smart Thermostats for shared household access
Shared household access had limited mixed evidence, mainly around presence detection when one app owner leaves while someone remains home.
Pros: temperature accuracy, Apple Home/HomeKit support
Cons: shared household access, touchscreen responsiveness