A sliding exterior screen helps keep the master bedroom cool, while the design cuts into the facade to create more corners and windows for better light. Rooftop photovoltaic panels provide all of the home's energy needs.  Photo 8 of 9 in Budget Breakdown: An Architect Couple Build a Net-Zero Home and Studio for $250 Per Square Foot

Budget Breakdown: An Architect Couple Build a Net-Zero Home and Studio for $250 Per Square Foot

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A sliding exterior screen and large overhangs help keep the primary bedroom cool, while rooftop photovoltaic panels provide all of the home's energy needs.