A plumber struggles to design a venting layout for a toilet and shower in a tight space, especially with an HVAC trunk in the way and a shower valve on the shared wall complicating the vent routing.

Existing plumbing design tools are complex and don't quickly visualize vent routing options given constraints like HVAC ducts and valve locations.

Severity

3Medium

Willingness to Pay

implied

Added

May 15, 2026

App Concept

VentViz Pro

A mobile app that lets plumbers quickly sketch a 3D model of their crawlspace, add fixtures and obstructions, and get optimal vent routing suggestions. Uses AR to overlay on real space for easier visualization.

Key Features

3D sketching of crawlspace with obstructions
AR overlay to see proposed vents in real space
Automated vent routing suggestions based on code
Fixture and valve placement library

Target Users: Residential plumbers working on new construction or remodels with tight crawlspaces

Revenue Model: $19/mo per user SaaS subscription, with a free tier for 1 project

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