You can either craft these furnaces directly or use "Upgrade" items on an existing furnace:
Specifically lists the More Furnaces 1.5.2 version for older installations. Key Features & Furnace Tiers skachat mod better furnaces 1 5 2
Up to 50x faster, intended for late-game mass processing. Essential Crafting & Upgrades You can either craft these furnaces directly or
While many modern sites focus on newer versions (like "Reforged"), you can still find the 1.5.2 files on legacy modding hubs: skachat mod better furnaces 1 5 2
To download and set up the mod for Minecraft version 1.5.2, you can find the legacy files on community repositories and follow specific crafting recipes to upgrade your smelting speed. Where to Download (1.5.2)