My room is hot(srry for english sucks)?
i bought a desktop A/C that uses ice but it only cools my face, i have one sliding door window across from my door and i might buy a box fan to circulate the air, is their a certain way to position the box fan to get colder air in my room? should i face the box fan toward the window to let the heat go out? or out the door?
It depends on whether the rest of the house is hot or cool.
if the house is cool then face to fan out,.
if the house is hot face the fan in.
if the sliding door open onto a covered patio with a cement slab, you can wet the cement and that will cool the air from the out side.
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Usually the best way to cool a room is with cross ventilation. You need an entrance and an exit. It is best to place the fan at the exit facing out so you are pushing the warmer air out and drawing the cooler air in.
You may also want to look around your room to see if you have any unnecessary heat generators. You can change lights to CFL or LED they are cooler than incandescent or halogens. TV’s, computers, monitors and refrigerators all generate a lot of heat when they are on, so turn them off when you aren’t using them, and place them near the exit, so their hot air is drawn out before they heat the air in the room.