US Patent Issued to Lennox Industries on Dec. 2 for "System and method for detecting a refrigerant leak in an HVAC system using a subcooling temperature" (Indian Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,992, issued on Dec. 2, was assigned to Lennox Industries Inc. (Richardson, Texas).

"System and method for detecting a refrigerant leak in an HVAC system using a subcooling temperature" was invented by Vickey Bhardwaj (Kancheepuram, India), Sangameshwaran Sadhasivam (Kanchipuram, India) and Patric Ananda Balan Thobias (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method operating an HVAC system is provided. The method includes receiving a concentration of refrigerant. The method includes operating the HVAC system in a leak diagnostic mode if the concentration exceeds a gas concentration threshold. The method includes turning on a co...