The lowest efficiency allowed by law for new gas furnaces is 78 percent and some new models achieve 97 percent.
Best residential gas furnace 2016.
The modulating gas furnace by trane operates at an afue level of 97 3 which is highly efficient.
Take a look at our top rated gas furnaces 2016 guide and our most energy efficient gas furnaces 2016 guide for specific models that deliver superior comfort and efficiency.
This is a 2 stage gas furnace with a variable speed blower so it will heat your home comfortably and quietly.
Bryant s lineup of furnaces provides you with a wide range of choices including the bryant evolution 987m a modulating gas furnace that runs at up to 98 3 percent afue.
Gas furnaces by trane come in a variety of single stage two stage and modulating gas heaters.
The 5 best furnaces of 2020.
A gas furnace made in the early 1970s typically has an afue of about 65 percent.
The single stage furnaces perform between 80 and 95 afue while two stage models operate between 80 and 96 7 afue ratings.
Bryant gas furnaces are a good fit for most homes since they re in the middle of the pack in terms of price and performance.
Top features of the amana amvc8 advc8 80 gas furnace.