As many post have implied, high winter humidity indicates a leaking pipe, water intrusion, or a lack of ventilation. High outdoor relative humidity when the outdoor temperature is below 50^F is meaningless. Outdoor air even if 40^F 100%RH dries the home out, provided the home is heated to +68^F. When outdoor temperature is +60^F, com-bsee concerns apply.
Originally posted by cem-bsee
you all should be careful about making blanket statements as if they apply everywhere in the world!!
if you bring in outside air here in Huntsville AL, you would bring in lots of humidity!! I have to fight to keep %RH below 70 -- right now! Most of the time the RH out doors is over 85!
one needs to reexamine the needs of the house BEFORE just replacing an existing unit = do a load calc!! then examine the ductwork and determine if it is suitable for the load and compatable with the new equipment.
else = ass/ u/ me