The mod replaces your standard cobble furnace with specialized tiers that increase smelting speed: 1.5x faster than a regular furnace. Gold Furnace: 2x faster than normal. Diamond Furnace: 4x faster than normal.
More Furnaces - MoreFurnaces-1.8.9-1.5.2.jar - Minecraft Mods skachat mod better furnaces 1 5 2
Often hosts direct links to older versions like More-Furnaces-Mod-1.5.2.zip . The mod replaces your standard cobble furnace with