A Wi-Fi solution for the Airstage line allows user to operate the company’s VRF system from anywhere with a smartphone, laptop, or tablet. Systems are controlled from a webpage or by using an iOS or Android app. A cloud server manages the process. A wide range of HVAC functions can be remotely operated. Through multiple-user-level-access accounts, managers can view and operate all systems in a building where individual tenants have access to only their systems.