Homeowner needs to determine correct attic ventilation balance, specifically whether excess exhaust (ridge vent) relative to intake (soffit vents) is acceptable and how to remedy the imbalance.

No easy-to-use tool or guide exists that helps a homeowner calculate correct intake/exhaust ventilation balance based on roof dimensions and vent specifications, leading to uncertainty and potential improper installation.

Severity

3Medium

Willingness to Pay

implied

Added

May 26, 2026

Workarounds Described

manually calculates required NFVA using square footage rule
looks up NFVA of soffit vent from identical model on Lowe's website

Implied Software Gaps

Automated attic ventilation calculation app that accepts roof dimensions and vent specs to determine correct intake/exhaust balance and provide adjustment recommendations

App Concept

VentBalance Pro

VentBalance Pro is a mobile app that guides homeowners and contractors through attic ventilation calculations. Input roof dimensions, vent types, and NFVA ratings to instantly determine required intake vs exhaust balance. Includes a visual roof diagram and recommendations for adjustments.

Key Features

Step-by-step wizard for intake/exhaust vent measurement
NFVA database for common vent models from major retailers
Visual roof diagram showing vent placement and imbalance
Recommendations for fixing excess exhaust (e.g., covering ridge vent sections)

Target Users: Homeowners and roofing contractors in the residential construction industry, especially those planning roof replacements or retrofits.

Revenue Model: Freemium with $4.99 one-time unlock for full features

Existing Solutions Mentioned

manual calculation using square footage and NFVA values from Lowe's product

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