A Modern Energy-Efficient House in Los Altos

Cline incorporated a number of green features into the design including a super-insulated envelope, ultra-efficient heat pump, and skylights for natural daylighting. "It approaches standards," he says. Pavers lead to the front door.

Floor-to-ceiling glass walls help the house connect to the landscape and also offer a material contrast to the oak floors and concrete.

A frosted-glass partition separates the living spaces.

The interior finishes mirror the exterior.

A natural daylight shines down the partition, imparting an ethereal glow.

Here's the rear of the residence.