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Note: The Smeltery cannot be built until you have a level 2 Mine (or two level 1 Mines) and have finished the research in the University.

The Smeltery is where the Smelter will smelt ores into ingots.

Hint: The higher the level of the Smeltery, the more furnaces the Smelter will be able to use. A higher level will also have a higher chance to double and even triple the ingot output per block of ore. In 1.16, the Smelter’s Strength level will sometimes determine the chance to double or triple the ingot output of ores, according to the Smeltery level. In 1.18+, the smelter applies Fortune to the ores they smelt instead. See the Smelter’s page for how their strength affects the output.





Smeltery GUI


When accessing the Smeltery hut block by right-clicking on it, you will see a GUI with different options. You start on the main tab:

  • Pencil: Allows you to rename the building. The level of the building will always be listed after the name.

  • Hut Level: Tells you the type of hut and the build level of the building you have selected.

  • Assigned Workers: Tells you the worker assigned to this building.

  • Manage Workers: Lets you change which worker is assigned to work at this hut. There can only be one worker at each hut. Note: this only works if you have turned the worker hiring mode in the Town Hall block to manual, otherwise your citizens will be hired automatically.

  • Recall Worker: Recalls the worker at this building to their hut block. You might use it if they are stuck somewhere, you want to see what they have, or want to give them something directly.

  • Build Options: Lets you create a build, upgrade, or repair build order for this hut. To learn more about the building system, please visit the Builder page.

  • Pickup Priority: You can set the priority that a Courier will visit this hut and pick up items (when the worker at this hut issues a request), or you can tell Couriers to never visit this hut to pick up items. You can also tell a Courier to do a pickup now using the Request Pickup Now button. (For the pickup priority, 10 is the highest.)

  • Inventory: Here you can access the hut block’s storage, where the worker at this hut takes and deposits materials. They will also use any racks that were placed in the hut when it was built or upgraded, so be sure to check those as well!

  • ?: Some huts have an in-game guide. Press the ? button to access it.

  • A chest icon: Click this button to see all the items in the hut’s storage (including the hut block’s inventory and any racks that came with the hut). Clicking the ? button next to an item’s count will highlight the storage container it’s in.


The second tab of the GUI is Custom Recipes.

Here you can see all the crafting recipes this hut knows. The arrows allow you to move them up or down in priority. You are also able to disable specific recipes.


The third tab of the GUI is Fuel.

Listed here are items that can be used by the Smeltery as fuel in their furnaces. Simply turn on any that you want your Smelter to use, and a Courier will deliver those items to the Smelter when they need fuel. All items are off by default. The black box at the top is to search for items.

Minimum stock GUI

The fourth tab of the GUI is Minimum Stock. It has one button:

Use this button to tell the Smeltery to keep a minimum stock on hand. Set items will be displayed above the button.


The fifth tab of the GUI is Smeltable Ore.

Listed here are all ore blocks the Smeltery can smelt. All ores are on by default. Turn off any ores you do not want smelted. All coded ores (even if they come from other mods) are automatically added to this list. If you have ores that are not on the list, they can be added to the config file. The black box at the top is to search for items.

If changes are needed or you think there is content missing, feel free to edit this page (the button at the top right) or submit an issue for us to make edits. - MineColonies Wiki Team