Description: The Air Equipment LLC YouTube channel offers informational videos about various commercial ventilation products and services. The five videos titled “Basics of Fans & Blowers” are intended for mechanical engineers and other HVAC system designers. The videos explore the various types of air-moving devices used in commercial projects, the basics of fan curves and the Fan Laws, belt-drive vs. direct-drive fans, and the new EC motor technology. The fifth video first offers a reminder to be aware of RPM and noise levels when selecting fans, with examples of good and poor choices. Also discussed is the energy efficient Electronically Commutative Motor (ECM), which offers terrific new features for the world of commercial HVAC. For more information about Air Equipment LLC visit www.airequipmentllc.com .