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Heat and heat levels for the various Buildings is one of the Game Mechanics in Frostpunk.

Description[ | ]

Generating heat allows you to combat the cold and keep your city functioning. Each 10C drop reduces heat levels by 1, whereas things like building insulation and heat from the Generator raise heat levels.

Summing up all the heat level modifiers for a building determines its temperature level:

Temperature Level Heat Level Differential Effect on Health People falling ill on normal(%)
Comfortable (0°C +) +2 Cannot become ill 0
Livable (-1°C to -10°C) +1 Very low risk of becoming ill 3
Chilly (-11°C to -20°C) 0 Low risk of becoming ill 15
Cold (-21°C to -30°C) -1 Moderate risk of becoming ill ??
Very Cold (-31°C to -40°C) -2 High risk of becoming ill and low risk of becoming gravely ill ?? / ??
Freezing (-41°C or lower) -3 Very high risk of becoming ill and small risk of requiring amputation ?? / ??

For example, a tent in -40°C weather within the heat zone of a level 1 generator would have the following modifiers:

  • -2 Weather (-1 per 10°C below the initial -20°C)
  • +1 Building insulation
  • +1 Heat from generator

The sum is 0 so the building is Chilly.

Notes[ | ]

Heat is not important in the Last Autumn scenario until the very end, when the frost hits. The temperature remains above 0 for most of the scenario.

Trivia[ | ]

  • The reason why the temperature is comfortable at 0°C is that the people in our city are already wearing warm clothing, and have a device called a lamp outlined in one of the Relics so a temperature of 0°C is warm to them.