Are freezing temps normal during winter in your area? I would think that the propane to run a heater 24/7 is gonna be pricey - especially for a 200sq ft area. The HID light will help heat up some.

What about hiding the plants for a day and having an electrician out to install a proper circuit and breaker box?
doco Reviewed by doco on . advice on non-electric heating in an unheated garage Hi all, I have a detatched garage. It's walled into two 10x20 ft individuals garages. It's in a stinky alleyway next to several HPS streetlights. Nice potential. However this is my first real grow attempt. My log is below, and I'd welcome any and all feedback, but I have a more urgent question: We're about to have our first cold front here (I'm in the south). It's supposed to be in the 40's tonight. Eventually we'll have a freeze, so I went to home depot and bought I nice Rating: 5