Passive House
Comparing Net Zero Energy homes to Passive House solar gain designed homes: a head-to-head analysis
...in use) can reduce your power consumption.
Key principles of the Net Zero Energy home
The Zero-Energy principle (i.e. producing as much, or more, than is consumed) allows for all kinds of renewable energies: thermal and photovoltaic solar panels, geothermal energy, wood pellet heating, wind turbines, solar water heat...