Iron FurnacesTiered furnace ladder — iron → diamond → mekanism-tier

Version: 1.21.0 · MC 1.21.1 · NeoForge 21.1.234 · Java 21

About

Vanilla furnaces but better. Each tier is faster, more fuel-efficient, and accepts upgrade slots (auto-eject, fuel-econ, speed boost). Pure progression-friendly early/mid game smelting.

Getting started

Auto-loads with the pack. Open JEI/EMI and search for the mod name to see all the items and recipes it adds.

What you can do

Endgame goals

Endgame use of Iron Furnaces integrates its top items into your main base — see the official docs for the full progression.

Integrations with other AYN mods

Tutorials & resources