New furnaces, fitted for loaders using; the smelting speed is the same as transport belt; supports standard (yellow), fast and express belts and loaders.
This got just updated a few hours ago but it errors out for me with:
Failed to load mods: Error while loading entity prototype "lf-furnace-01" (furnace): Key "inventory_index" not found in property tree at ROOT.furnace.lf-furnace-01.icons_positioning[0]
Modifications: Loader Furnace SpaceAge Fix