Iron Smelters
Adds faster Furnaces, Blast Furnaces and Smokers!
Screenshots
About this Mod
Iron-Smelters adds a new set of Furnaces, Blast Furnaces and Smokers made out of metals like Copper, Iron, Gold, Diamond, and even Obsidian!
Each type smelts items faster than the previous tier and faster than the Vanilla smelters!
The smelting speed of each type can be configured in the config.
There are also upgrade items, letting you upgrade from one type to another without having to replace it!
This mod was heavily inspired by Iron Chests by CPW be sure to check it out as well!
If you would like to support me in my modding endeavors, you can become a patron via 
Patreon.
This project is sponsored by Nodecraft. Use code JARED for 30% off your first month of service!
Available Versions
How to Install Iron Smelters on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Iron Smelters". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Iron Smelters server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Iron Smelters compatible with fabric and neoforge?
Iron Smelters officially supports fabric, neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Iron Smelters – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Iron Smelters consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Iron Smelters with just one click on your server.