Building with energy efficient equipment and systems adds value and makes a home comfortable for years to come. But it's a good investment now, as well.

The Willet is a studio-style, 20-unit building on the western edge of the University District where Portage Bay, Wallingford, and the U-District intersect—and where academia at UW meets recreation along Lake Union and Lake Washington.

For David Gray Construction, the Webster Residence project presented some serious challenges, starting with the home's location on a steep bluff.