A:AnswerPammy,
Yes, The unit has forced air at the bottom of the unit. You will not need a wall guard for the unit, It has a metal backing inside the back of the heater.
A:AnswerPer the Smart Life app "the App supports up to 200 devices, and you can create up to 20 homes, so adding together is 4000 devices. But the router has a bottleneck, and a router hangs about 10 (depending on the router performance.)"
