Patent ID: 11879661
Assignee: LENNOX INDUSTRIES INC.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 7:
8. A Heating, Ventilation, and Air Conditioning (HVAC) control method, comprising:
receiving a temperature value;
determining a load demand value based on the temperature value;
determining a load capacity value for an HVAC system;
determining the load demand value is greater than the load capacity value for the HVAC system;
identifying a first particular setting from among a first plurality of settings for the HVAC system in response to determining that the load demand value is greater than the load capacity value for the HVAC system, wherein:
each setting in the first plurality of settings controls the operation of the one or more components of the HVAC system; and
access to the first plurality of setting for the HVAC system is restricted for a user by default;

outputting a message requesting permission to operate the HVAC system using the first particular setting;
receiving a response approving permission to operate the HVAC system using the first particular selling; and
sending a first trigger signal to an HVAC controller to operate the one or more components of the HVAC system using the first particular setting.