brooklyn1 wrote:

>
> There are very inexpensive doohickys that one can install at the vent
> that will redirect the heated air back into the house during the
> heating season... might be worth it if one does a lot of clothes
> drying.

True. I know someone who had one. Heating season is also humidifying
season in some places. If the house is already humid you are going to
have have too much moisture in the air.