Home ServicesVentilation3MediumHomeowner$ implied

User needs to ensure balanced attic ventilation when installing a solar roof fan to prevent water intrusion and optimize airflow.

Opp. Score

Severity

3Medium

Willingness to Pay

implied

Added

Jun 24, 2026

App Concept

VentCalc Pro

A mobile app that calculates balanced attic ventilation for roof fans. Input roof dimensions, soffit vent area, and fan specs; app tells you required net free area and provides installation guidance to avoid water intrusion. Replaces guesswork and manual calculations.

Key Features

Input roof pitch, fan CFM, and existing vent specs
Calculates required net free ventilating area for intake
Generates installation checklist with water intrusion precautions
Provides 3D visualization of air flow and water path

Target Users: Homeowners and roofing contractors in residential home services, particularly those installing powered attic ventilators

Revenue Model: $4.99 per calculation or $14.99/year unlimited access subscription

Existing Solutions Mentioned

soffit ventssolar roof fan

Part of App Idea

VentWise Attic Planner

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