HVAC Shop Blog

R-32, R-410A and R-454B have different safety classes, climate impacts and equipment requirements. This Australian guide compares them, explains the HFC phase-down, and shows which tool ratings and service connections to check before working on a system.

If you work on air conditioning and refrigeration systems in Australia, you already know that refrigerant leaks can turn a simple service call into repeat visits, lost time, and frustrated customers. This guide explains the main types of leak detectors used in HVAC, how each method works on real jobs, and how Aussie tradies can choose the right setup for faster, more reliable fault finding.

R32 vs R410A is one of the biggest refrigerant comparisons for modern air conditioning, especially as more systems shift toward lower-GWP options. This guide explains the key differences in efficiency, environmental impact, safety, and servicing, while helping readers understand why R32 is becoming the preferred choice for many newer air conditioners.