true Al....
or a window mounted AC unit, or an oscilating fan, or fans of incense..etc
btw Bill~
placement to my knowledge here differs new construction/renovation per state ammendments vs. nfpa72
p.s.s~ i have had similar tech concerns presented re; fan makers on placement vs. fireplace draft
whew!
don't know 'bout you guys but i'm feeling rather winded now...