diy heater

  1. closetcasecfl

    Cheap and easy grow room heater with thermostat

    So I was trying to figure out a way to raise my grow room temp a bit. Its winter here now and my room fell to almost 10deg lights off. My plan was to use a incandescent light bulb as they get really hot, but they emit light. To stop the light I built a steel box out of sheet metal and placed a...