Name: Jim Northeast Pennsylvania (Zone 6b) Gardens feed my body, soul & spirit
The kit came with two large roof vents with temperature activated openers and split Dutch doors on the two ends of the greenhouse, so the ventilation is pretty good. I also have two Active Air 16" Wall Mount Fans at either end to keep the air moving in the greenhouse.
This pic (not mine) will give you a good view of the vents and split Dutch doors.
And a fan picture...
Don't know if you saw it, but I also built a Solar Powered Hot Water Thermal Mass Storage System
