Chevrolet: 2003 Chevy Venture, j c whitney, chevy venture

Question
I am considering buying a 2003 Chevrolet Venture with under 30k miles on it. The only problem I see with the van is that the air does not blow out of the ceiling vents. What could be the problem? Please list as many possibilities for the problem as possible. Thanks!!!

Answer
Andrew
well as far as the top vents they do not blow that good any way. but it might be that the switch is not on all of the way, or they could be clogged up or kinked in the hose, if you live where it is that cols I will tell you to go to [J.C.Whitney.com] and they will carry all type of add on heating items at a low cost, also try [summet raceing.co.] you should find something or some way to get the vents working better, you could even run a seperate motor and that would not cost much for a 12 volt blowing  moter. so if you can get it for a steal buy it. as the heat can be fixed for apx.$100.- or less you can add on a separate heater motor if need be or you can even add on a elect. type system.  ok and GOOD Luck to ya.