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ZERO ENERGY HOME PLAN 1772TD ELEVATIONS AND FLOOR PLANS
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DESIGN PARAMETERS

Location: Elko, Nevada
Occupants: Family of four 

Climate:
Winter design temperature – 2º F
Heating degree day year - 7,237º F
Cooling degree day year - 510º F
Solar radiation – south facing 6:12 roof  pitch 195.6 KWH/Ft²/year 

Energy Cost:
Electricity – 13.5 cents/KWH
Propane - $2.63/gallon – year average 

Site:
5 acres sloping down to the south
Views to east and south
Access from southwest

 

HOME DESCRIPTION

1 ½ story 1,772 square feet passive solar
Earth sheltered on 2 ½ sides
3 bedrooms, 2 ½ bath plus loft, 2 car garage plus storage
Compact shape, no halls, open floor plan


SPECIFICATIONS

Ceiling Rafters
12” I-beam, R-40 spray foam plus R-21 Batt - vented

Walls – Above Grade
2 x 6 advanced framing + 1/2” R-4 foil faced insulation
R-14, 2 lb 2 inch spray foam
3 ½” R-15 high density batt insulation
Total "R" value of insulation = R-33

Walls – Below Grade
8” concrete:
4' upper portion R-22 insulation
4' lower portion R-11 insulation                         

Slab Floor
R-11 edge, R-11 2’ vertical perimetry and R-11 2" total field

Windows and Doors
Passive solar wall R-2.5 glass .60 SHGC plus R-14 shutter
Other windows R-4.5 glass plus R-3 interior shade
Doors – insulated fiberglass

Ventilation
Blower door test - .10 natural maximum
Energy recovery ventilator – 80%+ at 75 CFM variable speed

 

ZERO ENERGY HOME PATH 

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