Jesus, cold absolutely radiating through the windows, not gonna miss those when they're upgraded. (And the new ones sure won't be double-hung)
Immensely glad I got Badger to go in and out through the basement rather than have to keep the study rear window cracked; for when I split off the basement unit (and replace said window with a door to the patio) I’m gonna have to get some sorta airlock put in off the study side window or something