Heat: yes/no No & Yes, under 20 F
If yes on heat, what method do you use (lamp, flat panel, etc.)?: Heat Lamp
Insulated coop: yes/no No
Amount of ventilation (approximate sq.ft.)you employ during the winter: 160 sq ft
Coop size: 10 X 16
Litter method: Deep Shavings
#of chickens in coop: Appx 25
Location (city and/or state and/or zone): Stillwater, OK
How many winters have you been through with your chickens?: 5
(Optional) briefly describe how your flock has fared using these methods: They are free ranged during the day time and only come in the coop to sleep and lay eggs, unless the temps are very low or there's a real ugly storm going on. So far, they're very healthy and happy.