Walls and Roof

Walls - DBL wall, 2x6 and 2x4 framing, with 12" of dense pack cellulose, Attic - 2x10 rafters with 24" of loose blown cellulose

Subslab assembly

(3 layers of 2″ XPS)

Subslab R-value 30.0
Foundation wall assembly

(2″ EPS + 9″ dense pack cellulose)

Foundation wall R-value 41.0
Above grade wall assembly

(12″ of dense pack cellulose)

Above grade wall R-value 44.0
Flat attic assembly

2x10 rafters(24″ of loose blown cellulose)

Flat attic R-value 75.0
Roof Assembly

2x10 rafters

Windows and Doors

Window Assembly:

Accurate Dorwin triple-glazed fiberglass windows

Average window U-factor 0.22
Solar Heat Gain Coefficient 0.55
Door U-Factor 0.24
Door Area 63 sq ft

Mechanical Systems

Space cooling - Manufacturer & Model Mitsubishi
Space heating - Manufacturer & Model Mitsubishi
Domestic hot water - Manufacturer & Model Marathon
Domestic hot water - capacity 50 gal
Ventilation - Manufacturer & Model UltimateAir
Lighting Manufacturer and Model
Lighting Efficiency

Envelope

Air Changes per hour, ACH50 0.46 ACH50
Air Changes per hour, CFM50