bg design & consulting and Liminal Architecture join forces

Mark Graham of Liminal Architecture and Barbara Gehrung of bg design & consulting have decided to join forces by forming Gehrung + Graham llc - Energy Positive Architecture. 

With our combined experience and expertise in passive house, sustainable and energy-efficient architecture, we strive to serve our clients in creating beautiful architecture, that delights its inhabitants and neighbors while treading lightly on the earth.

Please check out our new website and see our latest work at or