Insight: Just Right and Airtight

In this article, Dr. Joseph W. Lstiburek, Ph.D., P.Eng., Fellow ASHRAE makes a correction on a common misunderstanding that a blower door can measure leakage. Furthermore, he discusses on various ways to measure air leakage, and to assure and control air quality. While pointing out that the common misunderstanding is very bad and even, deadly, Dr. Lstiburek suggests some of the best ways to provide acceptable indoor air quality and to ensure combustion safety.