Seems like an overly simplistic solution to a problem, but it really works.
My 4x4 tent has always been in an unheated spare bedroom. For some reason this grow I’m having trouble maintaining a temp over 70*, in spite of a 600w MH.
Saw this cool heater at Home Depot, $24. On/off switch, auto shut off in case it’s tipped over.
Brought it home, plugged it in, and one one later my tent is a toasty 81*.
