It's ok. You are here to for advice on how to best get your flock through winter, working with the setup you have. It sounds as if the coop itself is well constructed and you have covered your bases there. I would focus on making the run area more appealing in winter. This way you are maximizing the space your birds have to mingle and go about their day. This will also spread out their waste so you don't have as much poop/moisture build up in the coop. It's great that the house blocks the weather on one whole side of the run. Pay attention to what direction the wind typically comes from. Make a wind block on that side. My birds particularly like the sheltered area under the coop in winter as less snow gathers there. I like to use plywood to block off the under coop area in winter for them, you could just screw a panel into the coop legs from the outside and remove it again in summer. I can't tell if your run is covered at all, but covering at least some of it will help mitigate snow in the run and make it more appealing as well. Also perches and ways for them to get off the ground and warm up their feet are good.