The Zero Energy Ready Home is now becoming a reality- what little energy they need can be derived from a roof full of soalr panels. Instead of conventional cooling and heating such homes use a heat pump, use enough insulation, and LED lighting. In 2020 California will require all new home to be Net Zero for energy use. The European Union also has set a goal of net zero for 2020 for all new home being built. In the U.S. only 8547 units of this type were built in 2017, with about 38,000 in construction.
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