Hi everyone - I have a new coop - started it in May. It's a 6' x 8', with 11 layers. I'm trying the deep litter method as much as possible, and top off the wood shavings on the floor about once a week with another inch or so. I have two 18" x 26" windows, with screens, which are opened about 2 inches up right now. I'm in Vermont and it's cold. However, I've noticed lately a strong ammonia smell when I go into the coop. In addition to the windows, should I have vents in the coop at each gable end toward the peaks? Would that get rid of the smell? Sorry if this is a dumb question. This is our first coop. On another note, we got our first eggs last week! Yay! If I do need vents, any recommendations on what kind are best and where to get them? For reference, here are some pics of our coop ... https://www.backyardchickens.com/forum/viewtopic.php?id=371140 Thanks!