HVAC Shop Blog

CFM testing stops airflow guesswork. This practical Australian guide shows how to measure air velocity with an anemometer, calculate CFM using area, and get repeatable supply and return readings you can trust. Learn the simple field method, common mistakes that ruin results, and how Aussie conditions like Brisbane humidity and coastal corrosion can make airflow faults show up fast.

Humidity is the hidden reason a home can feel sticky, musty, or clammy even when the temperature looks fine. This guide shows Aussie HVAC techs how to use the Testo 605i wireless thermohygrometer to measure humidity and dew point, explain condensation risk in plain language, and build a cleaner, faster Smart Probes workflow across Brisbane, Sydney, Darwin, and Melbourne conditions.

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.

Aussie guide to HVAC hoses, fittings and adapters. Find the right sizes, materials and R32-safe gear to cut leaks, speed up vacuums and keep your work compliant across Australia.

Choose the right Testo Smart Probes for Aussie jobs—115i, 549i, 605i, 410i. See starter loadouts, kit vs individual buys, and faster Smart App reports.