Is Goodman a high efficiency furnace?

Is Goodman a high efficiency furnace, yes, Goodman offers high efficiency furnaces with 92 to 98 percent AFUE, which meets and exceeds Energy Star high efficiency threshold of 90 percent AFUE for gas furnaces, so Goodman is high efficiency brand. Goodman furnace models: GMSS92 single stage 92 percent AFUE is high efficiency condensing furnace that extracts extra heat from exhaust gases using secondary heat exchanger, costing 3,000 to 4,500 dollars installed, with 92 percent efficiency meaning 92 percent of gas turned into heat and 8 percent lost up flue, versus old furnaces at 80 percent. GMVC96 two-stage variable speed 96 percent AFUE is higher efficiency with 96 percent efficiency, costing 3,500 to 5,500 dollars installed, offering two-stage gas valve and variable speed blower for better comfort. GMVM97 modulating 98 percent AFUE is highest efficiency with 98 percent AFUE, costing 4,000 to 6,500 dollars installed, with modulating gas valve that adjusts from 40 to 100 percent capacity for ultimate even heating and lowest bills, saving 200 to 400 dollars per year versus 80 percent furnace. High efficiency means condensing furnace that produces condensate water that must be drained via PVC pipe and condensate drain, and uses PVC venting not metal chimney. Goodman high efficiency furnaces have Energy Star certification and qualify for federal tax credit of up to 150 dollars for 97 percent AFUE models. So Goodman is high efficiency furnace brand with 92 to 98 percent AFUE options, similar to premium brands at lower price.