Changelogs:

v3.3

Updated to 1.6.2
Added Hell Furnace to make Balance easier
Added Config Options for Upgrade Recipes, so that server owners can disable some
Changed Extreme Furnace Recipe to fit with the new Hell Furnace
Changed Liquid Fuel Upgrade to only work on Lava for now, as the new Fluid API broke BC Compatibility
Changed Color Upgrade to use own Color texture -> now works on every furnace except Iron
Fixed Gui’s of Upgrades on Servers, by using FML’s TinyPackets, (could give problems with network id, but that’s in the config)

Download: http://www.5minecraft.net/better-furnaces-mod/