[masraum]

Originally Posted by asphaltgambler

We have a dyson - pretty much does what they say, and bullet proof. I would suggest a quick disassembly of unit and look for blocked (dirt in) passages. Clean thoroughly with hot water and let all parts dry completely. Good as new. I've done this more than once.

I think dyson is a great value. My $.02

Yep. We had problems with ours. Usually a combination of hair around the brush, clogged hepa filter or crap clogging the tubes somewhere. Cleaning always fixed it. The only reason that I replaced it is because some of the plastic parts were broken by folks that weren't careful or smart.