Furnace
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Furnace
Building
| Type | Core |
|---|---|
| Max Level | 30, then Fire Crystal levels (FC1–FC10) |
| Function | Sets the maximum level of every other building; produces the heat that keeps survivors warm |
| Unlocks | Buildings, Chief Gear, Hero Gear, Chief Charms and more |
The Furnace is the central building of your city in Whiteout Survival and the most important structure in the game. Its level sets the maximum level of every other building, and it produces the heat that keeps your survivors warm through the day, the night and the blizzards. Survivors left in the cold fall sick, and a sick survivor stops working until treated.
Overview
The Furnace acts as your city's headquarters. Each upgrade raises the level cap of other buildings and unlocks new systems such as Chief Gear, Hero Gear and additional Research. From level 30, the Furnace advances through Fire Crystal levels (FC1–FC10), which require Fire Crystals and Refined Fire Crystals in addition to standard Resources.
Upgrade Costs
Base resource cost, construction time and power for each level from 1 to 30. Construction times are base values, reduced by construction speed bonuses, Research and pet skills.
| Level |  Meat |
 Wood |
 Coal |
 Iron |
Time | Power |
|---|---|---|---|---|---|---|
| 1 | — | — | — | — | 2s | 2,000 |
| 2 | — | 180 | — | — | 6s | 3,800 |
| 3 | — | 805 | — | — | 1m | 6,500 |
| 4 | — | 1,800 | 360 | — | 3m | 10,100 |
| 5 | — | 7,600 | 1,500 | — | 10m | 15,500 |
| 6 | — | 19,000 | 3,800 | 960 | 30m | 23,600 |
| 7 | — | 69,000 | 13,000 | 3,400 | 1h | 35,300 |
| 8 | — | 120,000 | 25,000 | 6,300 | 2h 30m | 47,000 |
| 9 | — | 260,000 | 52,000 | 13,000 | 4h 30m | 58,700 |
| 10 | — | 460,000 | 92,000 | 23,000 | 6h | 75,700 |
| 11 | 1,300,000 | 1,300,000 | 260,000 | 65,000 | 7h 30m | 92,700 |
| 12 | 1,600,000 | 1,600,000 | 330,000 | 84,000 | 9h | 109,700 |
| 13 | 2,300,000 | 2,300,000 | 470,000 | 110,000 | 11h | 138,400 |
| 14 | 3,100,000 | 3,100,000 | 630,000 | 150,000 | 14h | 167,100 |
| 15 | 4,600,000 | 4,600,000 | 930,000 | 230,000 | 18h | 195,800 |
| 16 | 5,900,000 | 5,900,000 | 1,100,000 | 290,000 | 1d 6h 28m | 236,200 |
| 17 | 9,300,000 | 9,300,000 | 1,800,000 | 460,000 | 1d 12h 34m | 276,600 |
| 18 | 12,000,000 | 12,000,000 | 2,500,000 | 620,000 | 1d 19h 53m | 317,000 |
| 19 | 15,000,000 | 15,000,000 | 3,100,000 | 780,000 | 2d 17h 50m | 374,400 |
| 20 | 21,000,000 | 21,000,000 | 4,300,000 | 1,000,000 | 3d 10h 18m | 431,800 |
| 21 | 27,000,000 | 27,000,000 | 5,400,000 | 1,300,000 | 4d 10h 59m | 489,200 |
| 22 | 36,000,000 | 36,000,000 | 7,200,000 | 1,800,000 | 6d 16h 29m | 575,300 |
| 23 | 44,000,000 | 44,000,000 | 8,900,000 | 2,200,000 | 9d 8h 40m | 661,400 |
| 24 | 60,000,000 | 60,000,000 | 12,000,000 | 3,000,000 | 13d 2h 33m | 747,500 |
| 25 | 81,000,000 | 81,000,000 | 16,000,000 | 4,000,000 | 18d 8h 22m | 833,600 |
| 26 | 100,000,000 | 100,000,000 | 21,000,000 | 5,200,000 | 21d 2h 26m | 960,100 |
| 27 | 140,000,000 | 140,000,000 | 29,000,000 | 7,400,000 | 25d 7h 43m | 1,086,600 |
| 28 | 190,000,000 | 190,000,000 | 39,000,000 | 9,900,000 | 29d 2h 52m | 1,213,100 |
| 29 | 240,000,000 | 240,000,000 | 49,000,000 | 12,000,000 | 33d 11h 42m | 1,339,600 |
| 30 | 300,000,000 | 300,000,000 | 60,000,000 | 15,000,000 | 40d 4h 27m | 1,523,500 |
Fire Crystal Levels
Cost, capacity, time and power for the Fire Crystal levels (FC1 to FC10). Capacity between the in-game milestones is interpolated evenly across the sub-levels.
| Level |  Fire Crystal |
 Refined Fire Crystal |
Meat |
Wood |
Coal |
Iron |
Time | Power Gain |
|---|---|---|---|---|---|---|---|---|
| F30-1 | 132 | — | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 7d | 57,400 |
| F30-2 | 132 | — | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 7d | 57,400 |
| F30-3 | 132 | — | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 7d | 57,400 |
| F30-4 | 132 | — | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 7d | 57,400 |
| FC1 | 132 | — | 67,000,000 | 67,000,000 | 13,000,000 | 3,300,000 | 7d | 57,400 |
| FC1-1 | 158 | — | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 9d | 57,400 |
| FC1-2 | 158 | — | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 9d | 57,400 |
| FC1-3 | 158 | — | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 9d | 57,400 |
| FC1-4 | 158 | — | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 9d | 57,400 |
| FC2 | 158 | — | 72,000,000 | 72,000,000 | 14,000,000 | 3,600,000 | 9d | 57,400 |
| FC2-1 | 238 | — | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 11d | 57,400 |
| FC2-2 | 238 | — | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 11d | 57,400 |
| FC2-3 | 238 | — | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 11d | 57,400 |
| FC2-4 | 238 | — | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 11d | 57,400 |
| FC3 | 238 | — | 79,000,000 | 79,000,000 | 15,000,000 | 3,900,000 | 11d | 57,400 |
| FC3-1 | 280 | — | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 12d | 63,200 |
| FC3-2 | 280 | — | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 12d | 63,200 |
| FC3-3 | 280 | — | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 12d | 63,200 |
| FC3-4 | 280 | — | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 12d | 63,200 |
| FC4 | 280 | — | 82,000,000 | 82,000,000 | 16,000,000 | 4,100,000 | 12d | 63,200 |
| FC4-1 | 335 | — | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 14d | 63,200 |
| FC4-2 | 335 | — | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 14d | 63,200 |
| FC4-3 | 335 | — | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 14d | 63,200 |
| FC4-4 | 335 | — | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 14d | 63,200 |
| FC5 | 335 | — | 84,000,000 | 84,000,000 | 16,000,000 | 4,200,000 | 14d | 63,200 |
| FC5-1 | 200 | 10 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 15d | 67,600 |
| FC5-2 | 200 | 10 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 15d | 67,600 |
| FC5-3 | 200 | 10 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 15d | 67,600 |
| FC5-4 | 200 | 10 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 15d | 67,600 |
| FC6 | 100 | 20 | 96,000,000 | 96,000,000 | 19,000,000 | 4,800,000 | 15d | 67,600 |
| FC6-1 | 240 | 15 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 18d | 67,600 |
| FC6-2 | 240 | 15 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 18d | 67,600 |
| FC6-3 | 240 | 15 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 18d | 67,600 |
| FC6-4 | 240 | 15 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 18d | 67,600 |
| FC7 | 120 | 30 | 100,000,000 | 100,000,000 | 21,000,000 | 5,400,000 | 18d | 67,600 |
| FC7-1 | 240 | 20 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 20d | 67,600 |
| FC7-2 | 240 | 20 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 20d | 67,600 |
| FC7-3 | 240 | 20 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 20d | 67,600 |
| FC7-4 | 240 | 20 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 20d | 67,600 |
| FC8 | 120 | 40 | 130,000,000 | 130,000,000 | 26,000,000 | 6,600,000 | 20d | 67,600 |
| FC8-1 | 280 | 30 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 13d | 72,400 |
| FC8-2 | 280 | 30 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 13d | 72,400 |
| FC8-3 | 280 | 30 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 13d | 72,400 |
| FC8-4 | 280 | 30 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 13d | 72,400 |
| FC9 | 140 | 60 | 140,000,000 | 140,000,000 | 29,000,000 | 7,200,000 | 13d | 72,400 |
| FC9-1 | 350 | 70 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 20d | 72,400 |
| FC9-2 | 350 | 70 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 20d | 72,400 |
| FC9-3 | 350 | 70 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 20d | 72,400 |
| FC9-4 | 350 | 70 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 20d | 72,400 |
| FC10 | 175 | 140 | 160,000,000 | 160,000,000 | 33,000,000 | 8,400,000 | 20d | 72,400 |