Share 'What does the the N factor stand for'

I have a theory for what the N stands for in the N factor but really no clue. I understand what the n factor intends to do and how to use it but fail to understand how it applies in the real world and in particular to San Diego. The N factor is a correction number that smooths the data for blower door numbers in multiple climate zones of homes of different size and height and brings the homes…