Old Hopkins Road House

Super-Insulated House
Howard County, MD

• U.S. Green Building Council - Leadership in Energy and Environmental Design (LEED) for Homes v4, Platinum
Living Building Challenge - Certified Net Zero Energy Building (NZEB) v2.1
• Living Building Challenge -  Petal Certified
Passive House Institute US - PHIUS+2015 - PHIUS+ Source Zero
"The Old Hopkins Road House is a prototype of exceptional environmental and universal design in a suburban setting, bucking current suburban housing trends of large-square-footage homes and turf lawns. The original goal was Passive House, but ultimately the house achieved LEED Platinum, Living Building Challenge Petal-certified and Net-Zero, WaterSense and Energy Star. This is the first LBC Petal-Certified House on the East Coast..." Read more here. 


This 2000 square foot house in Clarksville, Maryland is designed to maximize energy efficiency as well as minimize environmental impacts.


Energy modeling of enclosure systems as well as sun studies were performed. Project information and data [pdf]