Nantucket Building Science Simple Energy Benchmarking Tool
"Operational"
Date: Owners Name: Property Address: SF - Living Space Excluding Basement SF - Living Space - Basement SF - Unfinished - Basement
2/25/14 Confidential Okarwaw 1,824 120
Annual Energy Use (BTU): BTU/SF:
64,926,123 35,595
Comparison to Benchmarks
BTU/SF/yr Range
Very leaky, older home, poorly insulated
Built to code MassSave New Homes Program, LEED for Homes, "Stretch Code" home, Energy Star for Homes
Passive House
Net Zero Home Net Energy Producer
100,000 95,000 90,000 85,000 80,000 75,000 70,000 65,000 60,000 55,000 50,000 45,000 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 (5,000)
High Usage
Average
<<< LEED Silver Home - Okarwaw
Zero Usage (typically need solar PV)