BobsYourUncle wrote:
I full timed 2 Calgary winters in my 3 season TT, So don't let anyone tell you it cannot be done. I was weeks on end with the temperature dropping to minus 33C or so.
......
Of course the OP has a rental unit for a week and is unlikely to be allowed to do modifications, nor will he likely have time.
Really, he can expect to leave the water system winterized or risk significant damage which the rental company will likely come after him for.
Unless you can find a place with open bath houses, it will be a miserable smelly week of camping...but it can be done.