does use of apple homekit compatible items require an internet connection
does use of apple homekit compatible items require an internet connection
does use of apple homekit compatible items require an internet connection
my understanding is that it is "Wi-Fi" LAN - if remote control/monitoring, one would certainly need InterWeb connectivity
Google can be helpful with questions such as yours, as the built-in search may not work as one would expect
VS.
Yes, and no.
If you only plan on using Apple HomeKit-enabled devices within your home, then all that is needed is an iOS (running iOS 8.1+) and a wireless network. However, some features will require a connection to iCloud, which will require an Internet connection.
And you will definitely require an Internet connection when attempting to access any of your devices from a remote location.
does use of apple homekit compatible items require an internet connection