Chris Ellenbogen News Today : Breaking News, Live Updates & Top Stories | Vimarsana

This week’s Best New Listings includes three-bedroom houses in Chevy Chase DC and Virginia Square, and a new one-bedroom in Mount Vernon Triangle.

Photos by Chris Ellenbogen. The sprawling six-bedroom house in Bethesda’s Bannockburn neighborhood has plenty of luxe features. Its nearly acre-sized lot, for instance, or its walls of windows, or the glass-enclosed home office that seems to float among the trees. But some of its most impressive traits aren’t so easy to spot. Like the fact that it’s constructed almost entirely of aerated concrete blocks designed for exceptional thermal insulation. Or that it was positioned on its lot to capture the optimal amount of warmth from the sun. Or that it runs on a geothermal system that, desp...