william killian writes:
 > 
[snip...]
 > 
 > But who'd want a cat stuck in their ventilation system?  They'd get wet 
 > from the condensation and smell worse than a diesel...

How about soaking the cats in diesel or any heavy lubricant before 
putting them in the vent. system?  Even if they get stuck, they'd
smell no worse than the diesel :-) :-)

Cetin