Step 1: Materials
-Catbox with a door and a top or roof.
-A warm and cozy catbed. hahahahaha
-A pipe heater like the one in my beautiful picture.
-Some scrap styrofoam used as an insulator.
-Some old rags also used as an insulator.
-A roll of duct tape(optional, if your catbox came with vents)
-and of course, a kitty.