Difference between revisions of "Passive cooler"

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{{infobox main|temperature|
 
 
| name = Passive cooler
 
| name = Passive cooler
| image = PassiveCooler.png|Passive cooler
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| image = Passive cooler.png
| type = Temperature
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| description = A traditional unpowered cooler that works by water evaporation. Must be regularly replenished with wood. Not efficient enough to refrigerate food.
| placeable = y
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<!-- Base Stats -->
| size = 1|1
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| type = Building
| description = A traditional unpowered cooler that works by water evaporation. Will run out and self-destruct after several days.
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| type2 = Temperature
| buy = {{icon|wood|50}}
 
 
| hp = 80
 
| hp = 80
| power =
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| flammability = 1
| mass base =
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| rotatable = false
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| placeable = true
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| path cost = 30
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<!-- Building -->
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| size = 1 ˣ 1
 
| cover = 0.4
 
| cover = 0.4
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| minifiable = false
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| heatpersecond = -11
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<!-- Creation -->
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| research = Passive cooler
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| work to make = 200
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| resource 1 = Wood
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| resource 1 amount = 50
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| deconstruct yield = Nothing
 
}}
 
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The [[passive cooler]] is a low-tech alternative to the [[cooler]], a construction that absorbs heat from interior spaces at a rate of 51.8°F (11°C) per second. It does not require power or any advanced materials, but will run out of fuel in 5 game days and must be restocked with 50 wood (the same as the build cost) to continue working.
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The '''passive cooler''' is a low-tech alternative to the [[cooler]]. It does not require power or any advanced materials, but requires wood to refuel.
  
Passive coolers cannot lower the temperature below 59°F (15°C), so they cannot preserve food like electric coolers, but they can protect your colonists from extreme heat. They require research to be built, though tribal colonies start with the research already completed.
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== Acquisition ==
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Constructing a passive cooler requires [[Research#Passive cooler|Passive Cooler]] to be researched, which both [[Scenario_system#New_Tribe_vs_New_Arrivals|New Tribe]] and [[Scenario_system#New_Tribe_vs_New_Arrivals|New Arrivals]] start with. It requires {{Required Resources}} and is constructed in {{Ticks|{{P|Work To Make}}}}.
  
== Trivia ==
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== Summary ==
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Passive coolers absorb heat from interior spaces at a rate of {{Temperature|11||delta}} per second, spread among each tile. They cannot lower the temperature below {{Temperature|17}}. In order to do so, passive coolers consume {{Icon Small|wood}} 10 [[wood]] per day; they must be restocked at a cooler's full cost every 5 days.
  
This temperature item was included in the [[Version/0.15.1279|Alpha 15 release]] on August, 28th 2016. Based on real life [https://en.wikipedia.org/wiki/Evaporative_cooler evaporative coolers].
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== Analysis ==
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Passive coolers are unable to preserve food, but they can protect your colonists from [[heatstroke]] and prevent debuffs such as "Slept in the heat". Unlike [[campfire]]s, passive coolers can't be "too efficient" and make your pawns uncomfortably cold.
  
In [[Version/0.19.2009|Alpha 19]], the passive cooler no longer self-destructs when it runs out of fuel, but instead waits to be restocked.
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They are very fuel inefficient, even compared to running coolers on [[Wood-fired_generator|wood-fired generators]]. However, they have the great advantage of not needing electrical power to function. As such, they will save your [[fermenting barrel|fermenting barrels]] from going bad during a [[Events#Solar_flare|solar flare]].
  
{{nav|temperature}}
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== Version history ==
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* [[Version/0.15.1279|0.15.1279]] - Added.
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* [[Version/0.19.2009|0.19.2009]] - no longer self-destructs when it runs out of fuel but instead waits to be restocked.
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* [[Version/1.0.0|1.0.0]] - No longer requires Construction skill to craft.
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* [[Version/1.1.0|1.1.0]] - Refueling is now toggleable.
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* ? New Arrivals start with Passive Cooler researched.
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{{Nav|temperature}}
 
[[Category:Temperature]]
 
[[Category:Temperature]]

Latest revision as of 14:27, 16 January 2024

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Passive cooler

Passive cooler

A traditional unpowered cooler that works by water evaporation. Must be regularly replenished with wood. Not efficient enough to refrigerate food.

Base Stats

Type
BuildingTemperature
Market Value
61 Silver [Note]
HP
80
Flammability
100%
Rotatable
False
Path Cost
30

Building

Size
1 × 1
Minifiable
False
Placeable
True
Cover Effectiveness
40%
Heat Per Second
-11

Creation

Required Research
Passive cooler
Work To Make
200 ticks (3.33 secs)
Resources to make
Wood 50
Deconstruct yield
Nothing
Destroy yield
Wood 12 - 13

The passive cooler is a low-tech alternative to the cooler. It does not require power or any advanced materials, but requires wood to refuel.

Acquisition[edit]

Constructing a passive cooler requires Passive Cooler to be researched, which both New Tribe and New Arrivals start with. It requires Wood 50 Wood and is constructed in 200 ticks (3.33 secs).

Summary[edit]

Passive coolers absorb heat from interior spaces at a rate of 11 °C (19.8 °F) per second, spread among each tile. They cannot lower the temperature below 17 °C (62.6 °F). In order to do so, passive coolers consume Wood 10 wood per day; they must be restocked at a cooler's full cost every 5 days.

Analysis[edit]

Passive coolers are unable to preserve food, but they can protect your colonists from heatstroke and prevent debuffs such as "Slept in the heat". Unlike campfires, passive coolers can't be "too efficient" and make your pawns uncomfortably cold.

They are very fuel inefficient, even compared to running coolers on wood-fired generators. However, they have the great advantage of not needing electrical power to function. As such, they will save your fermenting barrels from going bad during a solar flare.

Version history[edit]

  • 0.15.1279 - Added.
  • 0.19.2009 - no longer self-destructs when it runs out of fuel but instead waits to be restocked.
  • 1.0.0 - No longer requires Construction skill to craft.
  • 1.1.0 - Refueling is now toggleable.
  • ? New Arrivals start with Passive Cooler researched.