Walls and Roof

renovation of existing 10"x2" joists on flat roof

Subslab assembly


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