My summer conditions are hot and dry. My greenhouse is 8x12.
I have a wall ventilation fan and a swamp cooler on thermostats and a mister on a timer.
The thermostats are set so the fan comes on first and if it gets too hot then the cooler kicks in.
I use the misters in the afternoon when the dry heat is greatest but not for too long.
Ray is right about the cooler needing to be outside. I keep the door of the GH open all the time in summer.
It doesn't need to be a jungle in there. I've seen a noticeable improvement in my plants with just the humidity the cooler provides.
Maureen
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