Systematic troubleshooting using the symptom/cause method is a quick and efficient way a service technician can solve even the toughest of service calls.
Failed ventilation itself has many more risks that owners and operators are less practiced at accounting for, but should no longer be left off the list.
The "magic number" 1.08 is convenience factor. It is a bunch of math combined into one factor as a shortcut, although sometimes more precise calculation is better.
In this month’s troubleshooting situation, the equipment that needs servicing is a split system and the refrigerant flow control is handled via an EEV.