Originally Posted by jeanjean12
There are many things you need to consider when purchasing a portable air conditioner. For example, Size and Price, Single/Double Hose, Features, Noise Level, Energy Efficiency Ratio. As far as I know, air conditioners require a hose to exhaust the hot air from the room. You have to extend the hose from your window. Believe me, when you turn on the portable air conditioner, open the window a little too hot.
That's true. We used to have heavy thermal curtains and drape them round the hose so the hot air couldn't get back in.