air conditioning

I live in a second floor condo. We have central air, it works great to cool off the living room, bathroom and kitchen, but the bedroom just does not get cool. When I put my hand in front of the vents in the bedroom, it's maybe half or even less as strong as the vents in the living room. I've...

I recently went through 2 portable AC units for my bedroom that just doesn't cool off. They cooled it off, and didn't make much noise when the fan was on, but as soon as the coolant kicked it it sounded like a jet engine in my room. I don't have a big bedroom, so I'm curious if there's any...