The topic of motors and motor control techniques is wide and varied. Part one of this two-part article will cover the principles of alternating-current (AC) motor operation and control.  

Over the last century, boiler controls have evolved significantly.

On March 30, the Centers for Medicare and Medicaid Services (CMS) announced COVID-19 Emergency Declaration Blanket Waivers for Health Care Providers that permit additional flexibility in hospital standards to aid in the expansion of services to fight the coronavirus pandemic. 

Engineering plays a definitive role when it comes to establishing the functional requirements of an occupied or unoccupied space’s supply air methods and devices. 

When building owners want their building systems to be designed for resiliency, the discussion between the owner and the engineers typically includes redundancy and temporary HVAC systems that can support all building HVAC systems or portions thereof.