HVAC Shop Blog

R32 is now the standard refrigerant across most Aussie HVAC-R installs — but its A2L classification means your vacuum pump needs to be spark-free, not just capable. This guide covers why standard brush-motor pumps are a safety risk on R32 systems, how spark-free brushless DC technology works, and what's actually different about evacuating an R32 system versus R22

Choosing the right vacuum pump can make or break a commissioning job. This complete guide covers Mastercool vacuum pump models, CFM ratings, dual-stage technology, R32 spark-free options, and maintenance — everything Aussie HVAC-R tradies need to pull a deep, verified vacuum every time.

Compare Mastercool and Robinair recovery machines side by side. R32 capability, local support, total cost of ownership and which suits Australian tradies best.

A quality recovery machine is a legal requirement for every ARCtick-licensed HVAC-R technician in Australia — and the right one pays for itself fast. This guide covers how Mastercool recovery machines work, which model in the MC69000–MC69400 series suits your job mix, R32 spark-free requirements, and how to keep your machine running reliably for years.

Learn how to safely recover refrigerant using the correct methods for HVAC systems. This guide breaks down liquid, vapour, and push-pull recovery, plus how to choose the right refrigerant recovery unit for faster, compliant service work in Australia.