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
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 |