Unable to locate a very slow nitrogen leak in a small R134a system because conventional bubble testing fails to detect it.

Bubble testing is not sensitive enough for leaks as small as 2 psi per hour; the technician needs a more precise method to find the leak without waiting hours or disassembling the system.

Severity

3Medium

Willingness to Pay

implied

Added

May 25, 2026

Workarounds Described

left gauge connected for 10 hours to observe pressure drop

Implied Software Gaps

A precision electronic leak detector that can locate slow leaks without long pressure monitoring

App Concept

SnifferSens MicroLeak Detector

SnifferSens MicroLeak is a portable electronic leak detector optimized for refrigeration systems that amplifies minute gas concentrations and pinpoints leaks down to 0.1 oz/year. Unlike bubble tests, it provides real-time audible and visual guidance, cutting diagnosis time from hours to minutes.

Key Features

Detects leaks as small as 0.1 oz/year of R134a
Adjustable sensitivity with auto-calibration
Audible and visual proximity indication
Wireless connectivity to log leak location and pressure drop data

Target Users: HVAC/R technicians working on small commercial or residential refrigeration systems

Revenue Model: $299 one-time device purchase, with $49/year subscription for data logging and analytics

Existing Solutions Mentioned

bubble test / soapy water

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