Patent ID: 8734565

Claim:
A method of verifying installation of a new air filter in an HVAC system, wherein the HVAC system includes a fan that, when activated, drives air through the air filter, the method comprising: accepting an input that indicates a new air filter has been installed in the HVAC system; in response to the input, automatically operating the HVAC system in an air filter verifying mode in which the fan of the HVAC system is activated to drive air through the new air filter; while in the air filter verifying mode, receiving a measure that is related to an amount of flow restriction presented by the new air filter; comparing the measure that is related to the amount of flow restriction presented by the new air filter to a threshold value; determining a status of the new air filter based, at least in part, on the comparison; and displaying an indication on a display that communicates the determined status of the new air filter.