Green Zero Carbon Home
Renovation of 1970's house to a zero carbon footprint
Walls and Roof
renovation of existing 10"x2" joists on flat roof
Subslab assembly
concrete
Subslab R-value
1.0
Foundation wall R-value
1.0
Above grade wall assembly
2x4 walls with fiberglass insulation, approx R12
Above grade wall R-value
12.0
Roof R-value
50.0
Windows and Doors
Window Assembly:
Loewen triple glazed patio doors. R4 on lower floor R 5 on upper floor.
Average window U-factor
0.22
Solar Heat Gain Coefficient
0.42
Visible Light Transmittance
0.55
Mechanical Systems
Space cooling - Manufacturer & Model
same
Space heating - Manufacturer & Model
Bosch 5 ton heat pumps (2)
Domestic hot water - Manufacturer & Model
State heat pump hot water tank
Domestic hot water - capacity
80 gal
Lighting Manufacturer and Model
LED light bulbs
Lighting Efficiency
Renovation of 1970's house to a zero carbon footprint
Walls and Roof
renovation of existing 10"x2" joists on flat roof
Subslab assembly |
concrete |
---|---|
Subslab R-value | 1.0 |
Foundation wall R-value | 1.0 |
Above grade wall assembly |
2x4 walls with fiberglass insulation, approx R12 |
Above grade wall R-value | 12.0 |
Roof R-value | 50.0 |
Windows and Doors
Window Assembly:
Loewen triple glazed patio doors. R4 on lower floor R 5 on upper floor.
Average window U-factor | 0.22 |
---|---|
Solar Heat Gain Coefficient | 0.42 |
Visible Light Transmittance | 0.55 |
Mechanical Systems
Space cooling - Manufacturer & Model | same |
---|---|
Space heating - Manufacturer & Model | Bosch 5 ton heat pumps (2) |
Domestic hot water - Manufacturer & Model | State heat pump hot water tank |
Domestic hot water - capacity | 80 gal |
Lighting Manufacturer and Model | LED light bulbs |
Lighting Efficiency |