How do I install Thermal Extra Mod (1.21.5, 1.20.1) – Expand Your Thermal Empire?

Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. Download the .jar. Put it in the .minecraft/mods folder and launch that loader profile. In MC Java Mods, or directly above on this page.

What Minecraft version does Thermal Extra Mod (1.21.5, 1.20.1) – Expand Your Thermal Empire work with?

The listing gives Minecraft 1.21.5, 1.20.1. This is the version stated by the author or source site, not something we verified ourselves.

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Thermal Extra Mod (1.21.5, 1.20.1) – Expand Your Thermal Empire

Java mod listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.

by Moon

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Thermal Extra Mod expands the Thermal series by adding new content for players to use. This addon introduces new metals, machines, and powerful augments to improve your technology setups.

Thermal Extra Mod (1.21.5, 1.20.1) – Expand Your Thermal Empire — Minecraft Java mod, screenshot 1

Features:

New Metals

Adds five new metals: soul infused, shellite, twinite, dragonsteel, and abyssal.
Each metal comes in various forms, including molten fluid, ingot, nugget, block, and dust.
You can also craft a special hardened glass block from each new metal.

Machines and Augments

Introduces five new machines and two new devices.
Adds five new tiers of augments to upgrade your gear, including soul infused, shellite, twinite, dragonsteel, and abyssal.

Screenshots:

A Multiservo Press GUI showing a green ingot being pressed into a plate

Thermal Extra Mod Download Links

For All Versions from Minecraft 1.20 to Minecraft 1.21.5

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.20.1, 1.20

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.19.2

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.18.2

Forge version: Download from Server 1 – Download from Server 2

For Minecraft 1.16.5

Forge version: Download from Server 1 – Download from Server 2

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.21.5, 1.20.1
How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
Where to get it: In MC Java Mods, or directly above on this page.

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

File checked by MCModsHub

Downloads as 196174.mcaddon
Download size: 1.3 MB
Download link checked 15 Jul 2026 — working
Mirrored on our own servers — the download does not depend on the original host

These come from our own check of the pack file, not from the source page.

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