HVAC NI ELVIS Controls Device—The Quanser QNET HVAC Board 2.0 for NI ELVIS II/II+ is an add-on application board for the NI Engineering Laboratory Virtual Instrumentation Suite II (NI ELVIS II) or NI ELVIS II+. This device has been developed for education to facilitate hands-on, active learning of the fundamentals of thermodynamics, temperature control, and PI control. The Quanser QNET HVAC Board 2.0 for NI ELVIS II/II+ provides heating elements, a high-quality brushless fan, and an ambient temperature sensor for a variety of heat flow, model validation, and parameter identification experiments.