Living Room, Two-Sided Fireplace, and Concrete Floor A 3,500-square-foot home in upstate New York was designed by the architecture firm Mapos with simple materials and passive design principles. The contemporary fireplace, which sits on buffed concrete flooring at the center of the ground floor, was custom-made by Mapos.  Photo 3 of 8 in Hudson Valley Dream Retreat by Kelly Dawson

Hudson Valley Dream Retreat

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A 3,500-square-foot home in upstate New York was designed by the architecture firm Mapos with simple materials and passive design principles. The contemporary fireplace, which sits on buffed concrete flooring at the center of the ground floor, was custom-made by Mapos.