Iron Furnaces FAQ

It is a mod inspired by cpw's Iron Chests that adds several tiers of furnaces. The tiers progress from stone through copper, iron, gold, diamond, crystal, emerald, and obsidian, with a rainbow furnace as well.

The mod file lists Minecraft 26.1.2 with NeoForge, and the author's project page lists Forge and NeoForge for Minecraft 1.20.4, 1.20.5, 1.20.6, 1.21, 1.21.1, and 26.1.2.

You craft the furnaces in order rather than skipping ahead, starting with the stone furnace and moving up through copper, iron, gold, diamond, crystal, emerald, and obsidian.

The mod adds augments for smoking and blasting. These are add-ons that change how the furnaces process items.

Yes, the rainbow furnace is one of the furnace variants, alongside the stone, copper, iron, gold, diamond, crystal, emerald, and obsidian furnaces.

A silver furnace can be created if you have a mod installed that adds silver as a mineral resource. It sits midway between the iron furnace and the gold furnace.

No, the mod is about furnaces and smelting, not power generation. Its features are faster smelting, reconfigurable sides, and augments for smoking and blasting.

Craft the furnaces in tier order and use them like a normal furnace, with faster smelting and reconfigurable sides for input and output. Augments can be added for smoking and blasting.

It should be compatible with most mods, and it has explicit compatibility with JEI and Project MMO. It also supports a silver furnace if another mod adds silver.

The wiki page has sections for Guides, Recipes, Items, and Blocks. The mod also works with JEI, which shows recipes in game.