Homeowner unsure if roof ventilation intake is undersized relative to ridge vent after new roof installation.

Homeowner needs a way to verify proper roof ventilation sizing without manual calculations or relying on roofer's assurance.

Severity

2Mild

Willingness to Pay

implied

Added

May 6, 2026

Workarounds Described

counts rafter bays manually and compares to intake vent coverage
asks online forum for qualitative advice on vent balance

Implied Software Gaps

A calculator that automatically compares intake and exhaust net free area based on inputs
Visual tool showing if each rafter bay has adequate intake coverage

App Concept

VentBalance Pro

A mobile app that lets homeowners and inspectors quickly verify roof ventilation balance by entering roof dimensions and vent specs. It calculates net free area, compares intake vs exhaust, and flags imbalances with visual guides, replacing manual guesswork.

Key Features

Input roof dimensions and vent types to calculate NFA
Visual diagram showing vent coverage per rafter bay
Alerts for undersized intake vs ridge vent
Generate shareable compliance report for installer

Target Users: Homeowners and home inspectors in the residential construction and roofing industry, especially for older homes.

Revenue Model: $4.99 per report or $14.99/month subscription for unlimited checks

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