With HVAC Calculator application you can quickly do a lot of HVAC calculations in either English (IP) or Metric (SI) units while on the go or when you are in a meeting. This application includes all the following and more to come: - Unit converter. - Chilled water pipe sizing. - Duct Sizing. - Air Outlets Sizing. - Calculate HVAC Equipment power rating. The application is designed by an HVAC Engineer who loves programming as well, so I know what an HVAC Engineer often calcu