HVAC Shop Blog
Testo 558s vs 557s Guide for Australian HVAC Techs
Comparing the Testo 558s vs 557s comes down to workflow, job type, and how much on-device help you want. This guide explains where the 557s still makes strong sense for residential and light commercial work, where the 558s steps ahead for commercial diagnostics, and how to choose the right Testo smart manifold for Australian HVAC jobs.
Refrigerant Recovery Unit: Understanding Recovery Methods
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.