During set up, technicians seal duct leaks and steadiness registers, convalescing airflow, reducing scorching and chilly spots
https://www.mediafire.com/file/kn1llbkvme9o7ji/pdf-38623-3473.pdf/file
During set up, technicians seal duct leaks and stability registers, getting better airflow, reducing scorching and chilly spots, and boosting furnace effectivity significantly.