Home ServicesCompliance Management3MediumHomeowner$ implied
Homeowner needs to rebuild a water heater closet to meet city code for combustion air and ensure future water heater replacements fit without demolition.
No clear guidance or product exists for retrofitting a small closet to satisfy combustion air codes while allowing future access.
47
0
Opp. Score
47
Severity
3Medium
Willingness to Pay
implied
Added
May 17, 2026
Workarounds Described
- Plumber removed door casing/jamb to fit tank
- Plumber removed low combustion air duct to make space
- Homeowner considers cutting a hole through brick wall for new duct
Implied Software Gaps
- App that helps plan closet rebuild to meet combustion air codes
App Concept
ClosetCode Pro
A compliance and design app that helps homeowners and contractors plan water heater closet rebuilds. It generates code-compliant layouts for combustion air ducts or louvered doors, compares duct locations (attic, wall, door), and provides step-by-step framing instructions to maximize future access. Prevents failed inspections and costly rework.
Key Features
- Input closet dimensions, water heater specs, and local code (e.g., Austin TX)
- Auto-generates compliant duct or louver options with diagrams
- Includes cost/timeline estimates for each ventilation solution
- Outputs a printable build plan for contractor or DIY use
Target Users: Homeowners and handymen replacing water heaters in tight closets, especially in old homes with non-standard framing
Revenue Model: Freemium with $9.99 per plan PDF; $29.99/year unlimited plans
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