A Trane RTU compressor trips low pressure switch on startup due to suspected restriction at the TXV or distributor.

No specialized diagnostic tool to pinpoint whether the restriction is at the TXV or distributor without trial-and-error replacement.

Opp. Score

Severity

3Medium

Willingness to Pay

implied

Added

May 21, 2026

Implied Software Gaps

Diagnostic tool to accurately identify location of restriction without trial-and-error

App Concept

TXV Check Pro

A handheld diagnostic tool that measures pressure drop and temperature delta across the TXV and distributor to instantly identify restrictions. Replaces guesswork with precise data, saving hours of labor and unnecessary part swaps.

Key Features

Real-time pressure and temperature sensing at TXV inlet/outlet
Algorithm to differentiate TXV vs distributor restriction
Bluetooth app for logging and sharing diagnostic reports
Compatible with common refrigerants and system types

Target Users: HVAC technicians and service companies diagnosing refrigeration circuit restrictions in commercial RTUs.

Revenue Model: $299 one-time purchase per device, with optional $9.99/mo subscription for cloud data logging and analytics

Part of App Idea

HVAC Systems Decoder

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