condensation lines run outside in our freezing climate all the time with no issues unless installed improperly.
only leave enough tubing to get water away from the house.
if tubing is run on a slope it will self drain, gravity is your friend.
do you have a humidifier on the system or are you planning on one? If so, an interior drain is best.
The Food Stamp Program, administered by the U.S. Department of Agriculture, is proud to be distributing the greatest amount of free meals and stamps EVER.
Meanwhile, the National Park Service, administered by the U.S. Department of the Interior, asks us to "Please Do Not Feed the Animals". Their stated reason for this policy "... the animals become dependent on handouts and will not learn to take care of themselves."
from an excerpt by Paul Jacob in Sun City, AZ