Last month, this column addressed the fact that VAV terminal units are substantially more “variable” than even their name implies. Not only does the air flowing through them vary, there are a variety ...

This month, I begin a few columns about technical commissioning issues. It is intriguing to me that some of the most common and “simplest” HVAC equipment can be some of the trickiest to get right.

The growing construction industry, especially commercial and industrial construction, in these countries due to rapid economic development is expected to lead to high demand for VAV systems which in ...