90 percent AFUE Oil Furnace

Updated November 30, 2014
Furnace reviews

Bottom line

Although gas-fired furnaces and boilers are by far the most common type of home heating system, oil furnaces remain popular in areas with limited access to natural gas. As of May 1, 2013, the minimum AFUE for newly installed non-weatherized oil furnaces is 83 percent, weatherized furnace regulations take effect on Jan. 1, 2015 and will be set at 78 percent.

ProsCan be as efficient as some gas furnaces, A newer oil furnace will save in energy cost, Carbon emissions can be reduced with a newer systemConsMore expensive operating costs, Price of oil is volatile