Welcome to BYC. Where, in general, are you located? Climate matters.
OverEZ coops, while better built than most of their competition, are notoriously under-ventilated -- which can cause moisture problems. If you haven't made modifications already, you'll probably want to add additional vents...
I do Deep Litter in my run, adding more dry organic material at the first hint of any odor, but getting a balanced, actively-composting system going inside a building is a far, far more difficult task.
I am blessed with very well-drained soil, which helps tremendously.
Alas, I have largely...
My Deep Bedding is completely odor-free.
It's an absolutely bone-dry system, dry enough that it can't support the growth of pathogens. The amount of litter used dries out the poop almost instantly and the ventilation prevents any possible build up of ammonia or moisture.
There is no odor at...
Me neither.
"Only" 5, 10, or 15 minutes a day is 2.5, 5, or 7.5 hours a month.
I actually timed myself when writing my deep bedding article and found that it takes 5-15 minutes to add a new layer of bedding every 2 weeks (depending on if I'm opening the bag of shavings or raking up pine straw...
Every 6-12 weeks currently -- depending on weather and other factors (article here).
The new Open Air coop may need it less often because I may be able to use Deep Litter instead of Deep Bedding.