Humhold 14000 BTU Portable Air Conditioners Remote Control 4-in-1 Free Stand Smart Cooling AC Unit

Does it need to have the exhaust hose and windows sealing kit vented

Yes, the hose and windows plate must be vented when Cooling/heating. hose and windows kit are included in the package, and it can speedup cooling/heating.

Can it automatically swing up and down?

Yes, it can auto swing up and down from 30 to 85 degree.

Is it necessary to drain water frequently?

No needed to drain when as a cooling/heating ac or fan. but in extremely damp room or use its dry mode, you need to continuous draining with water pipe (package included).

What is the noise level in cooling/heating mode?

The noise level is 48-56 dB when cooling, and in sleep mode(low wind), it is less than 48 dB, which is lower than the volume of conversation.

Can this air conditioner be used with any household socket?

The working current is 12A, 115V, but max is 20A for turbo mode, so the socket and wire need to support 20A current