I just built a new grow room and have a question about temperatures. My last grow was in a confined space with CFLs and it worked out well but temperature was not a problem.

This time, I built a grow room 8x4x7 ft. I have a 600 watt air cooled hood with a 420 cfm extraction fan on a Grozone TV12 day night controller with passive intake.

I have the sensor, positioned at the top of the canopy, set at 85 degrees day time and 75 night time.

Anyway, the controller seemes to being doing its job but, the room temperature is a constant 70 degrees. Should the room be warmer than that? The girls seem to be doing fine but in my last grow the room was much warmer.

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