HVAC Shop Blog

Testoterm temperature indicators are irreversible, self-adhesive labels that permanently record when a surface exceeds a rated heat threshold. This technical guide explains how the colour-change chemistry works, how to choose the right threshold, which format suits your application, and how to document heat events correctly across HVAC compressors, motors, switchboards and plant-room equipment.

Irreversible temperature labels for shipping prove cold chain integrity at a glance. Learn how they work, when to use them, and how to order in bulk across Australia.

Misreading a temperature strip can cost you a compliance sign-off, a product batch, or a repeat call-back. Learn exactly how to read liquid crystal and irreversible temp strips accurately — correct placement, dwell time, colour identification, and common mistakes Australian trade professionals make.