With cooling season in full swing, it is time for technicians to practice their so-called “ABCs”—that is, “airflow before charge”—when troubleshooting air conditioning systems. By far, the most common ...

For all of the attention that confined spaces receive, many safety managers are still uncertain about ventilation requirements. They may not understand how much airflow is needed to properly ventilate ...

The International Code Council (ICC) has passed a proposal that will require more duct testing in an effort to combat duct leakage, conserve energy, and reduce utility bills. While the desired end ...