Constantly supplying antifreeze all winter instead of heat?

Svenn wrote:
I'm doing an SUV conversion (Highlander hybrid) and don't want to set up a battery system to heat the plumbing fixtures/pipes all winter.

Am I the only one wondering what kind of water 'system' you could possibly fit into a Toyota Highlander?

It's called a 2 gallon water tote.

Seriously folks, you can't put a sheet of plywood in the back and close the rear door.