Do you like mobile air conditioning?

A. 1

If you understand the laws of thermodynamics, there must be an outdoor unit kk
We need to get the heat out of somewhere

Gentleman 9 years ago 0

OK

A. 2

The disadvantage is that it is cool in the front but hot in the back;

Gentleman 9 years ago 0

OK

A. 3

It's cool.
But the noise is really loud.
The reason why regular air conditioners are not noisy is because the outdoor unit is outside.

Gentleman 9 years ago 0

OK