Avery is a senior product training engineer at Yaskawa America Inc. - Drives and Motion Division. Since joining Yaskawa in 2000, Avery has authored several technical articles helping readers better understand and utilize their VFDs. To learn more about VFDs, including downloadable eLearning Modules, and a schedule of classes, visit www.yaskawa.com/training.
Whether at work or in our personal lives, we all try to be smart shoppers. We’ll go that extra mile to save a few percent on upfront purchase costs but every so often miss the big picture by not taking total cost of ownership (TCO) into account.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.