US Patent Issued to Lennox Industries on March 31 for "System and method for detecting a refrigerant leak in an HVAC system operating in an idle mode" (Indian Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,722, issued on March 31, was assigned to Lennox Industries Inc. (Richardson, Texas).

"System and method for detecting a refrigerant leak in an HVAC system operating in an idle mode" 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 receiving a firs...