Air velocity plays a crucial role in determining whether or not an HVAC system is operating correctly and efficiently. According to the National Institute of Building Services’ Whole Building Design Guide (WBDG), there are many buildings that are segmented into zones. Each of these zones possess different temperature and air quality parameters. ...

It may come as a surprise to some of the younger tradespeople out there, but there are many technicians who have been in the HVAC industry for a number of years that still remember the days of using analogue tools. These tools were complicated to use, produced unreliable results that required double and triple checking, and were cumbersome piece...