Is this local communication? I could swear when I was in the market for an HVAC I checked Daikin units and they could only be controlled through their cloud. It

Is this local communication? I could swear when I was in the market for an HVAC I checked Daikin units and they could only be controlled through their cloud. It is the only reason I got a Gree unit that, with some tinkering and proper firewalling, is local only.