Homeowner is unsure if attic ventilation (roof vents and soffit vents) is adequate after mold remediation, lacks knowledge to calculate required ventilation area.

No easy-to-use tool exists for homeowners to calculate proper attic ventilation requirements based on square footage and existing vent types.

Severity

2Mild

Willingness to Pay

implied

Added

Jun 8, 2026

App Concept

VentCalc Home

A mobile app that helps homeowners calculate required attic ventilation area. User inputs attic square footage, roof pitch, and existing vent types (soffit, ridge, box). App outputs recommended number and size of vents, and validates current setup.

Key Features

Input attic square footage and vent types
Calculate required net free ventilation area based on 1:150 or 1:300 ratio
Compare current vents to requirements and flag deficiencies
Include educational diagrams and code references

Target Users: Homeowners (DIY) in single-family homes, especially those dealing with attic mold, new roof installation, or energy efficiency upgrades.

Revenue Model: Freemium: basic calculation free, $4.99 one-time fee for detailed report and multiple roof calculations.

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