Finding refrigerant leaks on multi-zone ductless HVAC systems is extremely difficult and time-consuming when visual, bubble, and sniff methods fail.
Existing leak detection methods rely on accessible fittings and line sets, but on multi-zone ductless systems, leaks can occur in hidden evaporator coils or buried lines that are impossible to reach with standard tools, forcing time-consuming isolation and long hold tests.
Workarounds Described
- visual inspection for oil
- nitrogen bubble check on fittings
- add refrigerant and sniff with electronic detector
- isolate each zone individually and pressurize, then come back a week later to check pressure drop
Implied Software Gaps
- Portable device with combined ultrasonic and tracer gas detection that works on enclosed or inaccessible line sets
LeakSniffer Pro
A portable, sensitive acoustic and tracer gas leak detector specifically designed for ductless mini-split systems. It combines a high-sensitivity ultrasonic microphone that detects the sound of escaping refrigerant through walls and insulation, plus a wireless tracer gas sniffer that can pinpoint the smallest leaks without needing to access every fitting. It cuts diagnosis time from days to minutes.
- Ultrasonic acoustic leak detection (detects hiss through drywall or insulation)
- Wireless tracer gas sniffer with pinpoint accuracy
- Multi-zone system mapping to quickly isolate affected circuit
- App-based reporting and leak location tagging
Existing Solutions Mentioned
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