HVAC Shop Blog
How to Charge by Weight
Step-by-step guide to charging refrigerant by weight using a Mastercool scale. Covers pre-charge prep, nameplate target weight, liquid vs vapor method, and post-charge verificationMastercool vs Robinair Recovery
Compare Mastercool and Robinair recovery machines side by side. R32 capability, local support, total cost of ownership and which suits Australian tradies best.
Pipe Bending Specifications
Bend radius mistakes can lead to kinks, restrictions, vibration, and future leaks. This guide explains HVAC bending specs, angles, bend allowances, and practical best practice for cleaner refrigerant line installs.
Testo Vacuum Gauges: Complete Australian Range
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.