Arundel ADU, 720 sq ft, 1 BR, 1 bath above garage Features Under Construction in 2021 by Mark Simoncic, Arundel, ME 780 gross sq ft 1 BR / 1 bath 2 car garage + breezeway Heating: electric heat pump Ventilation: ERV Renewables: 6 kWh photoelectric array Net Zero House: Yes ADA Compliant