Getting to Zero Net Energy by 2020 Without Fossil Fuels

True zero net energy (without carbon) will become the rule for California’s residential construction in 2020 and for commercial construction in 2030. See and understand how geothermal heat pumps paired with solar photovoltaics can make the grade. They give you all you need for on-site ZNE. There’s no need to use non-renewable fossil fuels when these off-the-shelf technologies are ready today.