Field ServiceDiagnostics & Troubleshooting3MediumHVACR Tech$ implied

HVACR tech cannot diagnose slow kitchen sink drain despite replacing AAV, snaking line, and clearing roof vents.

No single diagnostic tool that integrates plumbing system knowledge to pinpoint cause (negative pressure vs. partial clog vs. vent issue).

Opp. Score

Severity

3Medium

Willingness to Pay

implied

Added

Apr 24, 2026

Workarounds Described

replaced AAV assuming it was the issue
snaked line 25ft from clean out
ran hose on roof vents for 5 minutes

Implied Software Gaps

Diagnostic tool that combines symptom data with system design to narrow causes, eliminating trial-and-error part replacement

App Concept

DrainPulse Pro

A mobile app for field service techs that guides diagnostic workflows for slow drains. Combines symptom inputs with system-specific logic to suggest likely causes, tests, and fixes, replacing guesswork and manual trial-and-error.

Key Features

Step-by-step diagnostic flow based on drain type and symptoms
Recommend tests like AAV check, vent smoke test, camera inspection
Log results and track common issues across jobs
Integrate with plumbing part catalogs for quick ordering

Target Users: HVAC, plumbing, and field service technicians at small to mid-size companies

Revenue Model: $19/mo per user SaaS subscription with a 7-day free trial

Existing Solutions Mentioned

AAV replacementsnakinghose test on vents

Part of App Idea

DiagPath HVAC

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