It is outside but still connected to our house. Like a door from the outside except when you open it, there is a small room with a water heater in it and about a 4x3x7 space. There are venting slots in the door (2 vent things).
Dr.Hashman Reviewed by Dr.Hashman on . Water Heater Room-CO2 "When a stove or water heater bums gas it produces water vapor and CO2" -http://cannabisguide.com/closet_culture/Chapter_16.htm This makes me ponder, if I setup a 250w HPS in my water heater room outside... Too bad it is summer time here in the Southwest and temps are already hitting 80+. Soon they will hit 95+, but in the winter, this would be perfect. My water heater is in a little closet type thing with a door and such, and it is right outside my bedroom/1ft of wall from my shower. Rating: 5