Air conditioner positioning?

Question

What is the best way to position a window air conditioner-

perfectly straight or angled toward the ground.

My brother in law put one in straight and there has not been a problem. My building manager says tehy must be angled toward teh ground so the condensation doesn't leak into the wall

Answer 1

Angle it just a tad so the water will run out the back.

Answer 2

Your building manager is right.  Tilt it slightly, No more than 7 degrees, 'tward the outside to prevent water from backing up.