
It's secured to the companionway ladder with velcro straps (attaching the carry handle to the upper step) and it rests on the lower step. Quite secure. I slide the big sliding hatch open a bit for ventilation. I flip the heater around backwards to be out of the way when I'm not using it.
Note that I live/sail in a mostly desert climate, so humidity isn't much of a problem. In 2026 when I plan to go on a trip to Alaska, I will definitely be outfitting with a Wallas or something similar. For now though, this works for me. It is a bummer that it chugs the propane.
