Greenhouse air movement and venting

[wl300]

I have a 32 ft long x 8 ft wide greenhouse with a 14 ft long by 7 ft wide connected. I have 2 questions….. 1 being is those enough fans and exhaust fan for this or do I need more or less???? The box fans are 20 inch and the exhaust fan is 20 in 3200 cfm..( I live in a coastal cool environments 50 degrees to 60 degrees at night 60s to 70s during the days outside of greenhouse it gets to 100 105 degrees sometimes in greenhouse) my 2nd question is if I scrog and train June to august how many plants can I fit and how big of an area should I do?? Using 20 gallon pots

 

[flowerdave]

At the greenhouse i worked at they had a fan blowing every 12 ft blowing down the house and a fan every 12 ft blowing back up the other side. That kept a circular type current. As far a exhaust fan and intake vent this link will help you calculate the sizing. Hope this helps.

Greenhouse Fan Size Calculator from ACF Greenhouses

Need help sizing an exhaust fan for greenhouses? Use our greenhouse fan size calculator to guide you through the process and tell you what size exhaust fan and intake shutters you need for your greenhouse kit. We offer complete greenhouse fan systems and exhaust fans by themselves.

www.acfgreenhouses.com