Unlock
Stardew Valley Heavy Furnace Unlock and Crafting Guide
Heavy Furnace unlocks from Mining Mastery and is crafted with 2 Furnaces, 3 Iron Bars, and 50 Stone. Build it once the save has enough ore flow to process full 25-ore batches instead of one bar at a time.
Route facts
- Category
- Unlock
- Focus
- Mining Mastery, 2 Furnaces, 3 Iron Bars, and 50 Stone
- Source
- https://stardewvalleywiki.com/Heavy_Furnace
Checklist
- Claim Mining Mastery before planning the recipe.
- Keep two ordinary Furnaces, 3 Iron Bars, and 50 Stone ready for each Heavy Furnace.
- Place the first Heavy Furnace beside ore and Coal storage so late-game mining dumps turn into bars quickly.