My problem is keeping my plants warm enough
I want to start growing. There is a room in my garage where the water heaters are. I'm not sure how cold the garage gets at night, but outside it will get as cold as -10 Fahrenheit.
Everything I have read about temperature control was about cooling down the grow box. I need to keep it warm.
My only ideas are to have the exhaust at the bottom of the grow box so it pulls down the heat from the lights and warms it up. Maybe I could insulate it somehow. I would keep the lights on at night when its coldest outside to warm up the box and the lights off during the day when its warmer.
I'd really like some advise or suggestions on how to keep it warm enough.
Also, would using a carbon filter for the exhaust take away the smell. It would be best if my parents didn't find out