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Green Home Score Predictor — Try scenarios freely

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Scenario ID ZIP or City/State ZIP preferred; City/State works if ZIP is unknown. Floor area (ft²) Stories Ceiling height (ft) Year built Front orientation

Windows

Window-to-floor area ratio (WFA) Total window area ÷ floor area (e.g., 0.12 = 12%).

Front share Back share Left share Right share

Panes Glazing Frame Skylights

Envelope

Attic type Attic R-value Attic air-sealed? Ducts in attic? Wall framing Wall R-value Foundation type Foundation R-value Rim / sill sealed? Rim / sill insulated

Air Leakage & Systems

Blower door (ACH50) Heating system Heating efficiency Duct / piping location Cooling system DHW type DHW UEF / EF PV size (kW)

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