Earth sheltered is the way to go. It made a huge difference in the amount of propane we used last year vs. the year before. So much that we built a 2nd bigger one this year (30 ft x 48 ft).
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Earth sheltered is the way to go. It made a huge difference in the amount of propane we used last year vs. the year before. So much that we built a 2nd bigger one this year (30 ft x 48 ft).