fans for 2x 1000w HPS

michmed

Active Member
My enclosed room became far too hot with no exhaust last cycle, despite a corner fan we lost.

To cool the room properly I've now purchased

6" to 4" duct reducer
4" T-adapter
25' of 4" insulated flexible ducting
25' of 4" flexible ducting
dryer vent / siding vent

How many CFM do I need to push or pull through the lights (2x1000w HPS with enclosed tube reflectors) to reasonably keep the room "cool" (rest of house is 74deg)?
 
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