Walls and Roof

Super-Insulated and Airtight Building Envelope
Ceiling/Roof: 14’’ TJI with dense-packed cellulose + R-15 rigid above (R-62)
Wall construction: 12” double 2×4 dense-packed cellulose with Zip system sheathing and Siga taping (R-40)
Windows: Schuco Brand, Low-E, triple paned uPVC windows are utilized. U-value 0.139
Floor Over Basement: 14’’ TJI with dense-packed cellulose + R-15 rigid below (R-62)

Subslab assembly

Unconditioned crawl space with vapor barrier with crush stoned at grade.

Subslab R-value 0.0
Slab edge assembly

NA

Slab edge R-value 0.0
Foundation wall assembly

10" steel reinforced concrete.

Foundation wall R-value 0.0
Above grade wall assembly

12” double 2×4 - 24" OC wood stud wall with Zip system sheathing and Siga taping and fiber cement siding on furring. Wall cavity filled with dense-packed cellulose and interior drywall finish.

Above grade wall R-value 40.0
Flat attic assembly

14’’ TJI with 3/4 plywood sheathing. Cavity filled with dense-packed cellulose and interior drywall finish.

Flat attic R-value 62.0
Cathedral ceiling assembly

14’’ TJI with Zip system sheathing and Siga taping + R-15 rigid above. Cavity filled with dense-packed cellulose and interior drywall finish.

Cathedral ceiling R-value 69.0
Roof Assembly

14’’ TJI with Zip system sheathing and Siga taping + R-15 rigid above. Cavity filled with dense-packed cellulose and plywood sheathing at the underside.

Roof R-value 62.0

Windows and Doors

Window Assembly:

Schuco Brand, Low-E, triple paned uPVC windows.

Door Assembly:

Schuco Brand, Low-E, triple paned uPVC doors.

Average window U-factor 0.14
Solar Heat Gain Coefficient 0.34
Door U-Factor 0.14
Door Area 128 sq ft

Mechanical Systems

Space cooling - Manufacturer & Model Same system for heating and cooling, Same system for heating and cooling
Space cooling - capacity 3 kW, 3 kW
Space heating - Manufacturer & Model Mitsubishi H2i Hyperheat MSZ FE09NA/MUZ-FE09NA, 26 SEER, 10 HSPF, Mitsubishi MSZ-GE09NA/MUZ-GE09NA, 21 SEER, 10 HSPF
Space heating - capacity 3 kW
Domestic hot water - Manufacturer & Model Rheem SolPak RS80-40BP, 40 square foot solar thermal panel (2.4 Solar Energy Factor) with an 80 gallon storage tank for hot water requirement.
Domestic hot water - capacity 80 gal
Ventilation - Manufacturer & Model Zehnder ComfoAir 350 Heat Recovery Ventilator at (Effective Heat Recovery over 75%).
Lighting Manufacturer and Model CFL Recessed Lighting and Fixtures
Lighting Efficiency
Mechanical Equipment Installation Details and Comments

Blower Door Test: Infiltration was test at be 0.57 ACH (air change per hour) at 50 Pascals pressure difference. Air flow is allowed to move from the lower floors of the home to the top floor. Upper level windows and a clerestory condition allow for venting excess heat and help to provide more consistent interior temperatures.

Envelope

Air Changes per hour, ACH50 0.57 ACH50
Air Changes per hour, CFM50