An example HVAC system includes an HVAC component, and an HVAC control configured to control the HVAC component according to an HVAC system configuration parameter. The HVAC control includes a controller wireless interface and a memory. The system also includes a mobile device having a user interface and a mobile wireless interface in wireless communication with the controller wireless interface of the HVAC control. The mobile device is configured to display the HVAC system configuration parameter on the user interface, receive user input settings for the HVAC system configuration parameter, and wirelessly transmit the received user input settings to the controller wireless interface of the HVAC control. The HVAC control is configured to store the received user input settings in the memory of the HVAC control to control the HVAC component. Example methods of controlling an HVAC system are also disclosed.