Dean May wrote: >>> Relative humidity isn't absolute moisture content, it's temperature > related. > > Exactly > >>> A/C exhaust is of a lower moisture content than the room air > > This is not entirely accurate. Assuming constant barometric pressure, the > moisture content per pound of exhaust air vs. pound of room air (I'm talking > mass here, not volume) is the same (assuming steady state conditions). Think > about it, it is the same air, you aren't adding or taking away any moisture > at that point. The only difference is the temperature rises, making it > capable of holding more moisture, thus it goes to a lower RH by definition.. It's accurate enough. If moisture isn't being taken from air passing through the A/C, what's that dripping out the back of the unit? Ron N
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