Skip to content

Country Sustainable

Lincoln, Massachusetts


A sustainably designed and built barn house in Lincoln, Massachusetts for a family with ambitious energy performance goals. Rough hemlock timbers were chosen to resemble the character of an old barn for this highly efficient green home. Built to Passive House standards, the home has roof mounted solar panels that provide more than 100% of the energy needs for most of the year. Rolling barn doors for added seasonal sun control and full wrap around porch with screened-in section. Mechanical system were designed and built to include an air source heat pump HVAC and water heat with smart thermostats. Additional emphasis on temperature regulation is seen in the passive summer cooling from a ventilating cupola and daytime winter heating from pyramidal skylight. The home has an air tightness envelope at 0.64 ach50 which is close to Passive House standards. Appliances and fixtures include induction electric stove, car charging station, wood stove backup, LED lighting and water saving plumbing. Rainwater roof capture system for watering the home’s many herb and vegetable gardens.






2,896 sq ft
3 bed 2 bath

Structure Details

Local sawn hemlock
R35 OB Plus Wall
R44 Roof


Passive summer cooling
Pyramidal skylight

Energy Details

Air source heat pump
LED lighting
Passive summer cooling
Pyramidal skylight
Wood stove backup heat
Water saving plumbing fixtures


Social Sharing