A water source heat pump cycles into unoccupied mode after a few minutes of cooling, and despite replacing the control board and checking wiring, the issue persists with no clear diagnostic path.

Existing resources (manufacturer support, manuals, AI) fail to provide actionable diagnostics for intermittent unoccupied mode triggered by cooling call, leaving the technician without a solution.

Severity

4High

Willingness to Pay

implied

Added

Jun 3, 2026

Workarounds Described

Used Claude AI to troubleshoot, but it gave up and suggested calling Daikin
Disabled reversing valve in cooling position and stuck Y wire on W as a band-aid fix

Implied Software Gaps

AI-based diagnostic tool that can handle complex multi-symptom HVAC issues and provide actionable next steps without deferring to manufacturer support

App Concept

HVAC DiagFlow

An AI-powered diagnostic assistant for HVAC technicians that analyzes symptoms, wiring, and board behavior in real time. It provides step-by-step troubleshooting for complex intermittent faults, integrating manufacturer bulletins, common fixes, and logic models to reduce guesswork and callbacks.

Key Features

Real-time fault code analysis with contextual troubleshooting
Wiring diagram overlay and voltage interpretation
Integration with equipment manuals and service bulletins
Log and share diagnostic sessions for peer or expert review

Target Users: HVAC service technicians and small HVAC businesses (1-10 techs) who need faster, more accurate diagnostics on complex or intermittent system faults.

Revenue Model: $19.99/month per user subscription with a 7-day free trial; optional $99/year premium tier with unlimited diagnostic logs and priority expert review.

Existing Solutions Mentioned

Honeywell T4 Pro thermostatDaikin (manufacturer support)Claude AIonline manual

Want to go deeper?

Sign up to save ideas, run AI analysis, and track opportunities in your personal workspace. Founding members get full access.

Join Beta

Solutions (0)

Discussion (0)

No comments yet