Technician struggles to diagnose root cause of intermittent freezing in a Goodman HVAC unit, lacking a systematic approach to refrigeration diagnostics.

Fieldpiece app provides readings but doesn't guide technician through a step-by-step diagnostic workflow or history to correlate symptoms with root causes.

Opp. Score

Severity

3Medium

Willingness to Pay

implied

Added

May 28, 2026

Workarounds Described

uses Fieldpiece app to save readings but didn't screenshot
manually checks filters, evap coils, runs system 20 minutes then hooks gauges

Implied Software Gaps

Guided diagnostic workflow that captures and analyzes readings in real-time, triggering alerts when conditions suggest imminent freeze-up

App Concept

CoolCheck Pro

CoolCheck Pro is a mobile diagnostic assistant for HVAC technicians that guides them through a structured troubleshooting sequence for refrigeration and airflow issues. It integrates with measurement tools, records historical data, and suggests likely root causes based on symptom patterns.

Key Features

Step-by-step diagnostic workflow for common failure modes (freezing, short cycling, etc.)
Automatic logging and trend analysis of refrigerant pressures, temperatures, and airflow readings
Knowledge base of system-specific troubleshooting tips (e.g., piston vs. TXV, Goodman units)
Integration with Bluetooth-enabled gauges and thermometers

Target Users: HVAC technicians and service companies of 1-50 employees who perform diagnostic calls on residential and light commercial systems

Revenue Model: $49/mo per technician subscription, with a $99/mo team plan for 5 users including shared history

Existing Solutions Mentioned

Fieldpiece app

Part of App Idea

HVAC Diagnose Pro

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