A refrigerant scale is a tool used primarily in the HVAC (Heating, Ventilation, and Air Conditioning) industry to measure the weight of refrigerant. This is essential because refrigerant must be carefully managed when servicing or installing HVAC systems; too much or too little refrigerant can impact the system's efficiency, reliability, and lif...

Thermal cameras have become increasingly popular in recent years, offering a unique perspective by capturing and visualising heat signatures. These innovative devices have found valuable applications across various industries, providing insights and enhancing safety measures. But are thermal cameras legal in New Zealand?  The use of thermal cam...