Furnace

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Furnace
Furnace.png
Lit Furnace.png
Type

Solid Block, Tile Entity

Requirements

None

Physics

No

Transparency

Partial (when active)

Luminance

Yes, 13 (when active)

Blast resistance

17.5

Hardness

3.5

Tool

Renewable

Yes

Stackable

Yes (64)

Flammable

No

First appearances

See History

Drops
Block Entity ID

See Data values

Data values
Inactive state
dec: 61 hex: 3D bin: 111101
Active state
dec: 62 hex: 3E bin: 111110
Name

See Data values

Duncan Geere Mojang avatar.png The main point of a furnace is to smelt things. Smelting requires fuel - usually coal or charcoal, and an object to be smelted. Pop those in the furnace and you'll see a progress bar for the smelting process which, when completed, yields a new object. Be careful which fuel you choose, because some are more efficient than others.
Duncan Geere[1]

A furnace is a block used to smelt blocks and items and convert them into other blocks or items.

Obtaining[edit]

Furnaces can be mined using any pickaxe. If mined without a pickaxe, it will drop nothing. A furnace will also drop when a minecart with furnace is broken.

Block Furnace
Hardness 3.5
Tool
Breaking time[note 1]
Hand 17.5
Wooden 2.65
Stone 1.35
Iron 0.9
Diamond 0.7
Golden 0.45
  1. Times are for unenchanted tools in seconds.

Natural generation[edit]

Two furnaces can be found inside each blacksmith shop in villages, and one can be found inside each igloo.

Furnaces also generate in weaponsmith houses in plains villages, and inside some houses in snowy tundra villages.‌[upcoming 1.14]

Crafting[edit]

Ingredients Crafting recipe
Cobblestone

The lit furnace block cannot be obtained in Java Edition, even with commands. In Bedrock Edition however, the lit furnace block can be obtained by inventory editing. It will always stay lit, despite no items being inside of it.

Usage[edit]

Furnaces cannot be pushed by pistons.‌[Java and Legacy Console editions only]

Smelting[edit]

Smelting Recipe


The main purpose of furnaces is to allow for smelting. Its interface can be opened by pressing use on it.

Light source[edit]

Furnaces emit a light level of 13 when active, and emit smoke and flame particles.

Crafting ingredient[edit]

Name Ingredients Crafting recipe Description
Blast Furnace Iron Ingot +
Furnace +
Smooth Stone

[Java Edition only]
Minecart with Furnace Furnace +
Minecart

Smoker Any Log +
Furnace

Custom name[edit]

By default, the GUI of a furnace is labeled "Furnace", but this name can be customized by naming it in an anvil before placing it, or by changing the CustomName tag using the /data command.

Data values[edit]

ID[edit]

Java Edition:

Furnace ID Name
Block furnace
Block entity

Bedrock Edition:

Furnace ID Name Numeral ID
Unlit block furnace 61
Lit block lit_furnace 62
Block entity Furnace ?

Block data[edit]

See also: Data values

In Bedrock Edition, furnaces use the following data values:

Bits Values
0x1
0x2
0x4

A three-bit field storing a value from 2 to 5:

  • 2: Furnace facing north
  • 3: Furnace facing south
  • 4: Furnace facing west
  • 5: Furnace facing east

Invalid values default to 2.

0x8 Unused.

Block states[edit]

See also: Block states
Name Value Description
 facingeast
north
south
west
The direction the furnace opening faces.
The opposite from the direction the player faces while placing the furnace.
 litfalse
true
If the furnace is lit.

Block entity[edit]

See also: Block entity format

A furnace has a block entity associated with it that holds additional data about the block.

  • Block entity data
    • Tags common to all block entities see Template:Nbt inherit/blockentity/template
    •  CustomName: Optional. The name of this container, which will display in its GUI where the default name ordinarily is.
    •  Lock: Optional. When not blank, prevents the container from being opened unless the opener is holding an item whose name matches this string.
    •  Items: List of items in the container.
      • : An item in the furnace, including the slot tag:
        Slot 0: The item(s) being smelted.
        Slot 1: The item(s) to use as the next fuel source.
        Slot 2: The item(s) in the result slot.
    •  BurnTime: Number of ticks left before the current fuel runs out.
    •  CookTime: Number of ticks the item has been smelting for. The item finishes smelting when this value reaches 200 (10 seconds). Is reset to 0 if BurnTime reaches 0.
    •  CookTimeTotal: Number of ticks It takes for the item to be smelted.
    •  RecipeLocationN: N is the number of the recipe, starting at 0. The recipe name that has been used, used to calculate experience given to the player when taking out the resulting item.
    •  RecipeAmountN: N is the number of the recipe, starting at 0. How many times recipe N has been used, used to calculate experience given to the player when taking out the resulting item.
    •  RecipeUsedSize: How many recipes have been used, creates corresponding RecipeLocationN and RecipeAmountN tags, used to calculate experience given to the player when taking out the resulting item.

Achievements[edit]

Icon Achievement In-game description Actual requirements (if different) Availability Xbox points earned Trophy type (PS)
Xbox PS Bedrock Nintendo
Hot TopicConstruct a furnace out of eight stone blocksPick up a furnace from a crafting table output.YesYesYesYes15GBronze
Smelt Everything!Connect three chests to a single furnace using three hoppers.NoNoYesNew 3DS15G

Advancements[edit]

Icon Advancement In-game description Parent Actual requirements (if different) Internal ID
Advancement-plain-raw.pngAcquire HardwareSmelt an iron ingotGetting an UpgradeGet an iron ingot in your inventory.minecraft:story/smelt_iron

Video[edit]

History[edit]

Java Edition Indev
0.31 0.31 (January 29, 2010) Prior to the addition of furnaces, items could be smelted by dropping them on the ground and then burning them with flint and steel. This was the only way to smelt ores.[2]
February 19, 2010 Furnace Revision 1.png Furnace added.
February 23, 2010 The first smeltable item is cobblestone, which can be smelted into normal stone.
Java Edition Infdev
March 20, 2010 Furnace is now fully functional.
Java Edition Alpha
v1.0.14 Furnaces are now used to craft minecarts with furnaces.
v1.2.0 Furnaces will now face towards the player when placed,[3] rather than away.
Java Edition Beta
1.2 Furnace.png The top of furnaces now have a texture similar to cobblestone. They used to have a texture exactly the same as stone.
Java Edition
1.0.0 Beta 1.9 Prerelease Furnaces will now no longer take as long to destroy.
1.2.4 Cats will now try to sit on active furnaces, making them unusable. This is only meant to annoy the player.
1.2.5 pre Shift-clicking can now be used to put items into furnaces more easily.
1.3.1 12w18a Wooden tools will now work in furnaces as one full furnace use.
12w22a Smelting various ores in furnaces will now reward players with experience points.
When using lava as fuel inside a furnace, the player will now get the bucket back.
Inventory sprites for blocks have flipped from left to right, changing to .
1.4.2 12w39a Previously, furnaces lit up blocks all around them, this snapshot has made furnaces light up blocks only in front of them.[4] (images showing difference) Its light value has remained as 13, but the light is only emitted from the block's front surface.
12w40a The previous change has been reverted until the new lighting system can be optimized.
1.4.6 12w49a When holding sneak, the player can now place blocks and items (like redstone, repeaters, and levers) directly onto furnaces.
1.5 13w02a Furnaces renamed using an anvil will now display the new name in their GUI where the normal name used to appear.
1.8 14w02a When a furnace runs out of fuel, the smelting progress will now pause instead of resetting.
14w04a When a furnace runs out of fuel, the smelting progress will now reverse at twice the speed of smelting.
14w26a Furnaces will now allow only fuel or a single empty bucket in the fuel slot.
1.9 15w43a A furnace will now generate inside of igloos.
15w49a The lit_furnace block is no longer available as an item.
15w50a Added sound: block.furnace.fire_crackle
1.13 17w47a The different block IDs for the furnace got merged into one ID.
A lit block state for furnaces has been added.
Prior to The Flattening, these blocks' numeral IDs were 61 and 62.
18w06a Added recipe book for smelting using furnaces. It can only be used for the input slot.
Pocket Edition Alpha
0.3.2 Furnace.png Furnaces added, meaning that every available block and item can now be gathered, crafted or smelted into (no more unlimited items).
0.9.0 build 1 Furnaces will now naturally spawn in villages.
0.11.0 build 3 Furnaces will now drop one stack for each item instead of splitting them up.
0.15.0 build 1 Furnaces can now be moved by pistons.
0.16.0 build 1 A better description (Input , Fuel, Result) has been added to furnaces for devices that do not use a controller.
Pocket Edition
1.0 alpha 0.17.0 A furnace will now generate inside of igloos.
Legacy Console Edition
TU1CU11.0Patch 1Patch s1Furnace.png Added furnaces.
TU12Cats will now try to sit on active furnaces, making them unusable. This is only meant to annoy the player.
TU141.04Wooden tools will now work in furnaces as one full furnace use.
When using lava as fuel inside furnaces, the player will now get the bucket back.
TU31CU191.22Patch 3When a furnace runs out of fuel, the smelting progress will now reverse at twice the speed of smelting.
Furnaces will now allow only fuel or a single empty bucket in the fuel slot.
TU53CU431.49Patch 23Patch s3More items can now be used as fuel in a furnace.
New Nintendo 3DS Edition
0.1.0 Added Furnaces.

Issues[edit]

Issues relating to "Furnace" are maintained on the bug tracker. Report issues there.

Trivia[edit]

  • Furnaces function as multiple devices combined into one block: bloomeries and blast furnaces (for smelting ores), an oven (for baking and cooking), a charcoal pit (for the charring of wood) and a kiln (for baking of clay).

Gallery[edit]

References[edit]