I have a york Affinity 9.S. The width is 14.5 inches. It has a nominal CFM of 12 and an MBH Input of 40. Would like to know what these numbers mean. What I'm really trying to get at is whether this funace is designed to heat 1300 sq. feet with high cePost created: 2013-02-21 Type of Equipment: Furnace Views: 10This question was created on the page: http://www.furnacecompare.com/furnaces/york/affinity.html. Your Answer |