Cave Residence
Walls and Roof
| Subslab assembly |
4"Continuous Rigid Foam (Type IX EPS) |
|---|---|
| Subslab R-value | 20.0 |
| Foundation wall assembly |
2.5” Continuous Rigid Foam EPS & 5.5” Formaldehyde-free Fiberglass Batts |
| Foundation wall R-value | 28.0 |
| Above grade wall assembly |
11.5” Dense-pack Cellulose |
| Above grade wall R-value | 40.0 |
| Flat attic assembly |
16" Dense-pack Cellulose |
| Flat attic R-value | 57.0 |
| Cathedral ceiling assembly |
16" Dense-pack Cellulose |
| Cathedral ceiling R-value | 57.0 |
Windows and Doors
| Average window U-factor | 0.19 |
|---|---|
| Solar Heat Gain Coefficient | 0.61 |
Mechanical Systems
| Space cooling - Manufacturer & Model | Mitsubishi |
|---|---|
| Space heating - Manufacturer & Model | Mitsubishi |
| Domestic hot water - Manufacturer & Model | Steibel Eltron |
| Ventilation - Manufacturer & Model | Venmar |
| Lighting Manufacturer and Model | |
| Lighting Efficiency |
Envelope
| Air Changes per hour, ACH50 | 0.89 ACH50 |
|---|---|
| Air Changes per hour, CFM50 |