Most popular energy blueprints in product:
Question by Chi Guy: In today's energy climate, why aren't new home builds installing geo-thermal units vs the usual technology?
Why are they not installing solar attic ventilators ($ 300) and hot-water-on-demand systems vs the same 1940s hot water tank?
Will we ever move on to new technology (that currently exists) or are we trapped in a 20th century blueprint?
Answer by kysersozeusGeotherman Units require larger plots to build.