Residential/Commercial
Roof Savings Calculator (RSC)
Critical Announcements:
We are currently conducting validation of this new Roof Savings Calculator.
The form below is for demonstration purposes only.
You may see an example of the output page
here
.
Go to:
Simple Mode
Go to:
Advanced Mode
Building
Closest location (similar weather):
Building Type:
Residential
Office
Warehouse
Box Store
Conditioned floor area (ft
2
):
Number of floors:
Window-to-wall ratio:
Year of construction:
post-1990
1980-1990
pre-1980
Heating/Cooling
Heating equipment:
Electric heat pump
Natural gas furnace
Oil furnace
Electricity price (cents per kWh):
Natural gas price (dollars per 1000 ft
3
):
Fuel oil price (cents per gallon):
Heating system efficiency (AFUE):
High-efficiency (90%)
Mid-efficiency (83%)
Low-efficiency (70%)
Custom
Heating system efficiency (HSPF):
High-efficiency (10)
Mid-efficiency (7)
Low-efficiency (5)
Custom
Cooling system efficiency (SEER):
High-efficiency (15)
Mid-efficiency (13)
Low-efficiency (10)
Custom
Roof 1 - Existing Roof
Roof type:
Tile
Metal
Asphalt shingle
Roof type:
Single-ply membranes
Concrete pavers
Modified bitumen
Metal
Built up
Solar reflectance (aged 3 yrs):
60%
50%
40%
30%
20%
10%
Custom
Thermal emittance (aged 3 yrs):
Acrylic Al-Zn coated steel (15%)
Bare Al-Zn coated steel (20%)
Metallic field-applied coating (50%)
Painted steel (85%)
Other materials (90%)
Custom
Above-sheathing ventilation:
Yes
No
Pitch (rise:run):
High (slope > 8:12)
Medium (2:12 < slope ≤ 8:12)
Low (slope ≤ 2:12)
Custom
Radiant barrier present:
Yes
No
Attic insulation (hr ft
2 o
F per Btu):
R-50
R-38
R-19
R-11
R-7
R-5
R-3
None
Custom
Duct location:
Conditioned space
Attic
Duct leakage:
Inspected (4%)
Uninspected (14%)
Custom
Roof 2 - Cool Roof Comparison
Roof type:
Tile
Metal
Asphalt shingle
Roof type:
Single-ply membranes
Concrete pavers
Modified bitumen
Metal
Built up
Solar reflectance (aged 3 yrs):
60%
50%
40%
30%
20%
10%
Custom
Thermal emittance (aged 3 yrs):
Acrylic Al-Zn coated steel (15%)
Bare Al-Zn coated steel (20%)
Metallic field-applied coating (50%)
Painted steel (85%)
Other materials (90%)
Custom
Above-sheathing ventilation:
Yes
No
Pitch (rise:run):
High (slope > 8:12)
Medium (2:12 < slope ≤ 8:12)
Low (slope ≤ 2:12)
Custom
Radiant barrier present:
Yes
No
Attic insulation (hr ft
2 o
F per Btu):
R-50
R-38
R-19
R-11
R-7
R-5
R-3
None
Custom
Duct location:
Conditioned space
Attic
Duct leakage:
Inspected (4%)
Uninspected (14%)
Custom
See Sample Result
Running Simulations
Please wait...
Brought to you by:
