US Patent Issued to Lennox Industries on Feb. 3 for "System and method for recycling exhaust air in an HVAC system" (Indian Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,743, issued on Feb. 3, was assigned to Lennox Industries Inc. (Richardson, Texas).

"System and method for recycling exhaust air in an HVAC system" was invented by Suyambu Lingam Arumugam (Tirunelveli, India) and Nishanth Verghese Devadas (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a HVAC system is provided. The method includes receiving a first outdoor airflow and a return airflow in a first heat exchange space of a housing, where the housing comprises an interior wall that divides the housing into the first heat exchange space and a second heat exchange space. The method includes transferring the first outdoo...