Leak Detectors | Buy HVAC Refrigerant Leak Sniffers Online

HVAC Refrigerant Leak Detectors | Find Leaks Fast in Australia

Pinpointing small leaks can make or break a service call. The right refrigerant leak detector helps Aussie techs work faster and safer across homes, hospitals and commercial plant rooms — from humid Brisbane summers to frosty Canberra mornings.

These handheld sniffers are built for modern refrigerants (including A2L blends like R32 and HFO-1234yf) and everyday HVAC-R work, so you can track down leaks confidently, protect system charge and back up your reports.

Key Features & Trade Benefits

• High sensitivity: Sniff out tiny leaks to cut call-backs and protect charge.
• Flexible probes: Reach tricky joints in splits, VRF risers and tight cabinets.
• Audible + visual alarms: Stay alert in noisy plant rooms and rooftops.
• Rugged housings: Built to handle dust, humidity and job-site knocks.
• Long runtime: Rechargeable or long-life batteries for full-day jobs.
• Multi-refrigerant ready: Most models cover R22, R134a, R410A, R32, HFO-1234yf and more — always check the specs.

Why These Tools Matter

A reliable leak detector speeds diagnosis, reduces rework and supports safer refrigerant handling. Instead of guesswork and soap bubbles on every joint, you can move quickly along flare nuts, braze points and service valves until the alarm triggers.

Many tradies pair leak detection with a vacuum pump for a clean, dry circuit and use digital manifolds & gauges to dial in accurate superheat/subcooling and neat job reports.

How to Choose the Right Leak Detector

• Refrigerant type: Confirm support for the gases you handle most (R32, R410A, R134a, R22, HFOs, CO₂, etc.).
• Sensor technology: Heated diode, infrared or ultrasonic — choose based on your budget, sensitivity needs and typical environment.
• Work environment: For busy plant rooms and supermarkets, alarms with bright LEDs and loud tones make life easier.
• Service volume: High-use techs benefit from longer battery life, replaceable sensors and rugged housings.
• Compliance & reporting: Pair with UV dye or reference leaks where needed to document your findings for clients and auditors.

Compatibility & Use Cases

• Split systems, ducted and VRV/VRF installs and service
• Refrigeration cabinets, display fridges and chillers
• Automotive A/C, cold rooms and light commercial plant

Featured Leak Detectors

INFICON TEK-Mate — top-selling heated-diode sniffer with proven sensitivity across common HVAC gases; ideal for everyday service calls and maintenance work.

Mastercool Raptor + UV — combine electronic sniffing with UV blue light for fast confirmation when you’re working with dye and tracing repeat leaks.

INFICON D-TEK 3 — premium infrared detector with high sensitivity and long sensor life for techs who want rock-solid performance on frequent leak-hunting jobs.

Related Reading

Sharpen your leak-hunting technique with our guide: Efficient Detection: Refrigerant Gas Leak Detector Guide.

Related Collections

• Vacuum Pumps
• Digital Manifolds & Gauges
• Refrigeration Tools & Leak Accessories

Pro Tip

Zero the detector in clean air, then approach joints slowly. Shield the probe tip from wind or fan draughts and keep a steady distance from the surface to minimise false positives and get repeatable results.

FAQs

Will these detectors work on R32 and newer A2L refrigerants?

Most models in this collection detect R32 and other A2L/HFO blends, as well as legacy gases like R410A and R134a. Always check the refrigerant list in the product specs before you buy.

How sensitive should I go for HVAC service?

For typical split, ducted and light commercial work, choose a high-sensitivity detector so you can confirm micro-leaks quickly without relying on soap bubbles alone.

Do I still need UV dye if I use an electronic leak detector?

Electronic sniffers are great for finding leaks fast. UV dye is still handy for visual confirmation, documenting repeat problems and making future checks easier.