In realizing their dream to build a country retreat in upstate New York, Sandy Chilewich and Joe Sultan—proprietors of the textiles firm Chilewich|Sultan—eschewed a mountainous view for an understated wooded plot. At 800 square feet, the flat-roofed home is a modest structure for the expansive 10-acre property. Photo 3 of 5 in Most Popular Homes of 2015: Green by Luke Hopping from An Architect's Tips for Keeping Your Electric Bills Down

Most Popular Homes of 2015: Green

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In realizing their dream to build a country retreat in upstate New York, Sandy Chilewich and Joe Sultan—proprietors of the textiles firm Chilewich|Sultan—eschewed a mountainous view for an understated wooded plot. At 800 square feet, the flat-roofed home is a modest structure for the expansive 10-acre property.