Author: David Green
February 15, 2019
My Zero Energy Pool is a Great Investment!
Swimming pools are great fun, but they have high running costs and a high carbon footprint. David Green cut both. Now his pool running cost is zero and so is its carbon footprint.
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My Zero Energy Retrofit Beats my 401(k)
This analysis, using standard business investment metrics, shows that a complete zero energy home retrofit can return 15% a year with zero risk. Beat that Wall Street!
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