Quote:
Originally Posted by ecomodded
Makes sense.
Next place I'll likely use a 40 gallon wrapped with R50 insulation and a plywood box with removable lid or some such thing.
Be nice to cut the losses down to 20 watts or less being it will be off grid
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I use a 28 gallon electric unit in my shop. The slab is heated, but I put it on 2" R-10 foam. My only hot water requirements are showers each day and a load of laundry once or twice a week.
If you have a spouse or other roommate, the 40 would be a good choice.