Green Home Score Predictor

Green Home Score Predictor – Preview Edition

Paste a few basics. Unknowns are OK—leave blank.

Open / Close Scenario Form

Scenario ID ZIP or City/State Floor area (ft²) Stories Ceiling height (ft) Year built Front orientation

Windows (use WFA) Total window-to-floor area ratio (WFA) Enter the total window area as a fraction of floor area (e.g., 0.12 = 12%). The national average is about 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? Ducts insulated? Ducts sealed? Wall framing Wall R-value Foundation type Foundation R-value Rim/Sill sealed? Rim/Sill insulated Crawl ground poly

Air leakage & Systems

Blower door (ACH50) Heating system Heating efficiency (AFUE/HSPF/COP) Duct or piping location Cooling system Cooling SEER (if central) DHW type DHW UEF/EF

Typical UEF/EF by water heater type (gas & electric)

Gas
• Standard storage: 0.55
• ENERGY STAR storage: 0.67
• Tankless / on-demand: 0.90

Electric
• Standard storage: 0.92
• ENERGY STAR storage (rare): 2.00
• Tankless / on-demand: 1.00
• Heat pump water heater (HPWH): 2.50

PV size (kW) PV azimuth/tilt

Rates (optional)

Electric $/kWh Gas $/therm

Another option:

Attach your previous Audit Report PDF here. After uploading, type electrify.

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“The way you imagine your home online will make all the difference going forward.”

— John Horchner, Founder
Green Home Club