Northern states in the United States tend to have high voltage heating systems. Many high voltage systems are baseboard heaters throughout a home. However, in-floor heaters and forced fans are not abnormal for high voltage systems. The fallback of a high voltage system is that there is a thermostat in every room. If you do have one of these heating systems, then ecobee, Nest, and Honeywell Lyric are compatible with your home. Since these thermostats are designed for 24V electric heating, the installation process is relatively safe and many homeowners perform it themselves. A fan coil heating unit does require a high voltage thermostat. .... they have had a successful product launch, Mysa has made smart home compatibility a priority.