HVAC Shop Blog

The Testo 115i is a wireless clamp thermometer built for HVAC/R technicians who need fast, reliable pipe temperature readings without holding a probe in place. Purpose-built for superheat and subcooling calculations and refrigerant charging workflows, it connects via Bluetooth to the Testo Smart App so both hands stay free for gauges and service valves. This guide covers who should use it, how to get accurate readings, and where it fits in your toolkit.

Sick of probe wires snagging, slipping, and slowing you down on site? The Testo 115i wireless clamp thermometer makes pipe temperature checks faster and cleaner for Aussie HVAC techs. Clip it on, read live temps in the Testo Smart App, and keep working without doing laps around rooftops, balconies, and plant rooms. It’s a fair dinkum upgrade for steady readings, better job notes, and fewer call-backs—whether you’re battling Brisbane humidity, Sydney coastal air, or a Melbourne cold snap.