> Sorry Terry,
>
> Cracking the roof vents or windows may do the trick to obtain fresh
> air for
> a catalytic heater, but if one square foot of opening is
> recommended then a
> "one inch wide by 12 inch long opening" will not be it.
>
> A square foot is 12" x 12" not 12" x 1".
Hey Forrest,
Glad you caught that. I noticed it too - AFTER I had sent it. I
wondered who would catch it. Thanks for the sharp thinking.
Terry