Best Smart Thermostats for reconnection reliability after outages

#1 Aqara Hub W200
4.5

Local automation behavior was viewed favorably because routines can still work during an internet outage.

Pros: smart-home ecosystem compatibility, occupancy detection accuracy

#2 Honeywell Home X2S
1.0

Outage recovery is a weak point in the limited reports available. One failed unit would not return after a power cycle, while another lost time and scheduling after power failure.

Pros: app usability, DIY installation ease

Cons: C-wire requirement flexibility, smart-home ecosystem compatibility