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Awesome! Maybe that will be enough to keep it usable through the cold months.

When hot water on demand is the norm, having to figure out alternatives when it's not there is more of a chore than people think.

It's amazing what happens when you strip someone of their daily conveniences. They flip out! Don't get me wrong, I like them too and hope to keep upgrading my systems so that they are more convenient as well. But I like the fact that I can make it, do it without. I think it gives me confidence to face other obstacles with a can do attitude.

They do indeed flip out! It would be funny if it wasn't sad on some level. Finding a reasonable balance is the challenge. You're doing a great job of exploring what options are workable and which ones have less 'return on investment'.