1. A method for updating a parameter in a device in an HVAC network, comprising: sending, by an interface to said device: a) a parameter value change message, and b) a new value of an installer parameter; determining by said device if said new value is within an allowed range; updating said parameter with said new value in a memory of said device if said parameter update is within said allowed range; sending, by said device, said updated parameter to said interface; and relaying, by said interface, said updated parameter to an active subnet controller of said HVAC network.