Hvac Shop Blog

Moisture is the quiet cause of many call-backs. This guide shows how a Testo vacuum gauge gives you real micron proof, so you stop guessing and start confirming dryness, stability, and leak behaviour. You’ll see the full Testo vacuum range in Australia, how to choose between the 552 and 552i, and the simple rise-test habits that protect your labour on Brisbane, Sydney, Melbourne, Perth, and Darwin jobs.