The first principle of zero-net energy homes is passive solar orientation. The long side of the house faces south, and has
50% of the windows. This allows the low-angled sun to provide free heat in the winter, while overhangs keep the higher
angled summer sun out in summer, keeping the house cooler. The large west facing covered porches also keep out the sun
in summer. The long uninterrupted span of south facing roof provides an ideal location for the
photovoltaic solar laminates
that provide electricity for the home.
The brick and concrete are materials of the earth to provide thermal mass for the home. The
thermal mass of the earth is tapped by the geoechange HVAC systems.
Windows are positioned throughout the house for natural cross-ventilation. Interior windows,
vents and central staircase allow for natural convection currents inside. Ceiling fans in every room circulate air
and keep heating and air conditioning costs down
The solid masonry Rumford fireplace allows you to build a wood fire that will actually heat your house,
and hold the heat in its thermal mass to provide hours of warmth, even after the fire goes out. It could even be used for
cooking in the event of an extended power outage.