The NexusHaus will be on display during the 2015 Solar Decathlon in October.
The roof is made of solar panels and a unique rainwater catchment canopy.
The dwellings' two modules intersect on the patio under the lightweight canopy system that catches rainwater and provides shade.
Graywater from the bathroom sink and shower is reused for irrigating the landscape.
The metal tank to the left of the house acts as a thermal storage unit during the summer.
Large windows let in light and views.
The kitchen features smaller-size European appliances.
A small studio can be used as a home office.
Built-ins provide extra storage.