Apparently the opposite can cause a problem as well. Somebody on
the Short-Wing Piper list recently was complaining about having sealed
up everything, and now it's cold in the winter. Apparently, if you
seal too much, once the cabin gets 'pressurized', the heater isn't moving
warm air into the cabin anymore.

Well, I sealed up every air leak I could find in my old Warrior, and only
made it warmer -- but I suppose you could reach a point of being TOO sealed.

All I know is I've sure never seen a plane that was too tightly sealed.
Most planes I've ridden in are at least 20 years old, and leak air like
sieves.
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"