Up Hill House
A net positive house in upstate New York
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 |