City: NYC, NY
Energy Type: Natural Gas
Number of Windows: 2000
Winsow Type: Single Pane
Cost of Therms Lost: $ 41,800.00
Annual Therms Saved with WindowSkin: 19000.00
Cost Savings per Year with WindowSkin: $ 19,000.00
Metric Tons CO2 Emissions Saved per Year with WindowSkins (NYSERDA): 100.92
Cost of Carbon Saved (NYSERDA CBR Rating 2020-2024 @ $46/lb per year) $ 87,400.00
 
FOR NYC LOCAL LAW 97
Fine Period: 2024-2029 OR 2030 and after: 2030 and after
Building Type: Hotel
Square Feet of Building: 500,000.00
Maximum Metric Tons CO2: 2,630.00
Your Metric Tons CO2 Output: 5,000.00
WindowSkins Saves You Yearly: $ 27,047.69
 
Total Yearly Savings with WindowSkins: $ 46,047.69
 
Assumptions
-Windows are 10 sq ft each  
Energy Type Price per Therm
Natural Gas $ 1.00
Heating Oil $ 2.20
Electricity $ 3.14
Propane $ 2.97
-Delivery efficiency of furnace 60%  
-Number of Heating Degree days from NYSERDA and Energy Star data for year ending November 30, 2019