400w HPS - the 20" cool tube HTG supply has. cooling with 180cfm growbright duct blowerwhat size/kind of light?
I think my room will finally be perfected! 5C would be amazing, I'm only running about 12F/6C above intake temp. House 70 room 82-84If exhausting the hot air outside you can easily expect a 2C drop in temp. I would say more like 5C. Do it and see.