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    2,053,304 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,472 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Heater

    Mod

    Use pipes to fuel furnaces and other machines from a heater.

    A93/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 21
    • ReleasesLatest 19 Sep

    Download

    heater-4.3+26.3.jar

    Released 19 Sep 2026 · 180.8 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • BurningAMinecraft 26.3 · Fabric (release 3.1)
    • Fabric APIAMinecraft 26.3 · Fabric (release 0.165.0)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker
    • Around for years

    Points lost

    • Some modpacks removed it−3 points
    • Releases in only 7 of the last 24 months−1 point
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      1 point lost26 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.5 weeks ago (19 Sep 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.26.3 on Fabric (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 7 of the last 24 months 5 / 6

    • Stability

      3 points lost19 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.3 of the 16 modpacks with two or more versions removed it in a later one (19%) See the 3 modpacks7 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 12 releases in 2 years needed a quick fix (8%) 7 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · un-nubivago/heater 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · un-nubivago/heater 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.30,518 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.8 years, 26 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 8 latest files for recent Minecraft versions. See Security
    Total93 / 100

    66 of the 71 points that apply = 93 out of 100.

    Images

    • Heater Showcase
    • More Heater Showcase
    • Oxidation Showcase
    • Thermostat Showcase
    • Heater Recipe
    • Heat Pipe Recipe
    • Thermostat Recipe
    • Heater GUI
    • Thermostat GUI
    • Heater Block Mini
    • Heat Pipe Block Mini
    • Thermostat Block Mini

    About

    Heater provides a way to fuel furnaces and other fuel-consuming machines by burning fuel in a separate Heater block and propagating its heat to nearby machines, rather than processing items inside the Heater itself. Its three blocks are the Heater, Heat Pipe, which extends the reach of a Heater, and Thermostat; each has weathered and waxed variants. The Thermostat controls heat flow: by default, it passes heat only when powered by redstone and only in the direction it faces, while its filtering mode can filter or convert heat according to a selected fuel. Thermostats can also pass heat back into a Heater, allowing heat to be relayed through a setup. The system works with vanilla Furnaces, Blast Furnaces, and Smokers, as well as compatible machines from other mods, including Haunt Furnaces, Kilns, Igneous Machines, and Auto Workstations.

    Written from Modrinth . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 24 blocks and 15 recipes.

    Counted from the names and data files in the mod, so the list may not be complete.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Often used with it

    See all 30
    Mod MenuAFerriteCoreALithiumALambDynamicLights - Dynamic LightsADynamic FPSA

    Details

    Creators
    Nubivago and StarOcean
    License
    MIT License
    Downloads
    31K
    Created
    3 Jan 2024
    Official page
    Modrinth
    Links
    Source code , Issues

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 11 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      11 latest files: the newest file for each Minecraft version and loader. The answer above is about the 8 for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 8 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 8 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign so far that AI was used to make it

    We looked for AI tools in its texts, files and images and found none.

    We have not read its code history yet.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 5 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      20 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      36 images read
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      34 code files read

    Compatibility

    See all 26 files
    Fabric
    1.201.2126.126.3

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Needed in your game and on the server, or you cannot join.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.
    BurningAFabric APIA
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.About as fast as most mods. On average, it gets a file 39 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Heater in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Aged Light46K downloadslast version with it 4 May 2026QReate [Qmine Create]5.5K downloadslast version with it 26 Jun 2024Pone Around5.1K downloadslast version with it 6 Aug 2024World War Zombies3.7K downloadslast version with it 27 Jun 2025Evolução2.1K downloadslast version with it 29 Mar 2025Strixun: Trials of the Wild1.9K downloadslast version with it 15 Feb 2026Minecraft Iron1.1K downloadslast version with it 28 May 2024Time for adventure749 downloadslast version with it 8 Jul 2025Steve Clan Modpack709 downloadslast version with it 29 Oct 2025Merry Adventure 2696 downloadslast version with it 1 Dec 2024
    1 to 10 of 21123

    Often in the same modpacks

    Mods that modpacks often add together with Heater. Share: how many of the modpacks with Heater also have that mod.

    ProjectTypeShareGrade
    Mod MenuAModin 100% of the modpacks with HeaterFerriteCoreAModin 90% of the modpacks with HeaterLithiumAModin 90% of the modpacks with HeaterLambDynamicLights - Dynamic LightsAModin 67% of the modpacks with HeaterDynamic FPSAModin 62% of the modpacks with HeaterBadOptimizationsAModin 57% of the modpacks with HeaterBetterF3AModin 52% of the modpacks with HeaterNiftyCartsBModin 48% of the modpacks with HeaterFarmer's Delight RefabricatedAModin 48% of the modpacks with HeaterKryptonAModin 48% of the modpacks with Heater
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    26.3·Fabric4.34.3 · heater-4.3+26.3.jarSends: None foundRequires:Burning, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric4.34.3 · heater-4.3+26.2.jarSends: None foundRequires:Burning, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric4.34.3 · heater-4.3+26.1.jarSends: None foundRequires:Burning, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.6 to 1.21.11·Fabric4.24.2 · heater-4.2+1.21.6.jarSends: None foundRequires:Fabric API, BurningPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.5·Fabric4.0.54.0.5 · heater-4.0.5+1.21.5.jarSends: None foundRequires:Burning, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.4·Fabric4.0.44.0.4 · heater-4.0.4+1.21.4.jarSends: None foundRequires:Fabric API, BurningPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·Fabric4.24.2 · heater-4.2+1.21.jarSends: None foundRequires:Fabric API, BurningPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Fabric4.24.2 · heater-4.2+1.20.1.jarSends: None foundRequires:Fabric API, BurningPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21.2 to 1.21.3·Fabric4.0.34.0.3 · heater-4.0.3+1.21.2.jarSends: None foundRequires:Burning, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.3 to 1.20.4·Fabric3.33.3 · heater-3.3+1.20.3.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1112

    26 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·Fabric4.34.3 · heater-4.3+26.3.jar (main file)·19 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 180.8 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric4.34.3 · heater-4.3+26.1.jar (main file)·11 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 180.7 KB
    26.2The latest file for its Minecraft version and loader·Fabric4.34.3 · heater-4.3+26.2.jar (main file)·11 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 183.9 KB
    26.2·Fabric4.24.2 · heater-4.2+26.2.jar (main file)·11 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 178.3 KB
    26.1 to 26.1.226.1 to 26.1.2·Fabric4.24.2 · heater-4.2+26.1.jar (main file)·9 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 173.7 KB
    1.20.1The latest file for its Minecraft version and loader·Fabric4.24.2 · heater-4.2+1.20.1.jar (main file)·11 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 166.3 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·Fabric4.24.2 · heater-4.2+1.21.jar (main file)·11 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 175.2 KB
    1.21.6 to 1.21.111.21.6 to 1.21.11The latest file for its Minecraft version and loader·Fabric4.24.2 · heater-4.2+1.21.6.jar (main file)·11 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 176.3 KB
    1.20.1·Fabric4.14.1 · heater-4.1+1.20.1.jar (main file)·26 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 161.5 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10·Fabric4.0.74.0.7 · heater-4.0.7+1.21.9.jar (main file)·5 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 183.5 KB
    1.21.6 to 1.21.81.21.6 to 1.21.8·Fabric4.0.64.0.6 · heater-4.0.6+1.21.6.jar (main file)·17 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 183.5 KB
    1.21.5The latest file for its Minecraft version and loader·Fabric4.0.54.0.5 · heater-4.0.5+1.21.5.jar (main file)·16 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 182.8 KB
    1.21.4The latest file for its Minecraft version and loader·Fabric4.0.44.0.4 · heater-4.0.4+1.21.4.jar (main file)·16 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 181.6 KB
    1.21.2 to 1.21.31.21.2 to 1.21.3The latest file for its Minecraft version and loader·Fabric4.0.34.0.3 · heater-4.0.3+1.21.2.jar (main file)·23 Jun 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 182.8 KB
    1.21.2 to 1.21.31.21.2 to 1.21.3·Fabric4.0.24.0.2 · heater-4.0.2+1.21.2.jar (main file)·21 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 182.8 KB
    1.21 to 1.21.11.21 to 1.21.1·Fabric4.0.14.0.1 · heater-4.0.1+1.21.jar (main file)·15 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 184.1 KB
    1.21 to 1.21.11.21 to 1.21.1·Fabric4.04.0 · heater-4.0+1.21.jar (main file)·13 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 182.8 KB
    1.20.3 to 1.20.41.20.3 to 1.20.4The latest file for its Minecraft version and loader·Fabric3.33.3 · heater-3.3+1.20.3.jar (main file)·7 Sep 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 218.2 KB
    1.20.3 to 1.20.41.20.3 to 1.20.4·Fabric3.2-43.2-4 · heater-3.2+1.20.3-4.jar (main file)·3 Aug 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 201.5 KB
    1.20.3 to 1.20.41.20.3 to 1.20.4·Fabric3.1-43.1-4 · heater-3.1+1.20.3-4.jar (main file)·15 Apr 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 176.5 KB
    1 to 20 of 2612

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.1

    • 4.0.3+1.21.223 Jun 2025…burning library to 1.0+1.21.2 version. Fixed + Fix occasional game-crashing NullPointerException when…