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− | {{ | + | {{infobox main|temperature| |
| name = Cooler | | name = Cooler | ||
− | | image = Cooler | + | | image = Cooler.png |
| type = Building | | type = Building | ||
| type2 = Temperature | | type2 = Temperature | ||
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| cover = 1 | | cover = 1 | ||
| terrain affordance = Medium | | terrain affordance = Medium | ||
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| flammability = 0.7 | | flammability = 0.7 | ||
| research = Air conditioning | | research = Air conditioning | ||
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{{Info|The '''cooler''' is a device that can be used to lower the [[temperature]] in a room by moving the heat to its other side. This effect can maintain happy colonists during high outdoor temperatures, prevent heat stroke and prevent perishable items like [[food]] from spoiling. It requires [[power]] to operate.}} | {{Info|The '''cooler''' is a device that can be used to lower the [[temperature]] in a room by moving the heat to its other side. This effect can maintain happy colonists during high outdoor temperatures, prevent heat stroke and prevent perishable items like [[food]] from spoiling. It requires [[power]] to operate.}} | ||
− | They are the high-tech upgrade to [[passive cooler]]s, requiring research and power, but not limited to low of {{ | + | They are the high-tech upgrade to [[passive cooler]]s, requiring research and power, but not limited to low of {{temperature|17}} and thus capable of refrigerating or freezing food. |
== Acquisition == | == Acquisition == | ||
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*If the target temperature is reached, a cooler consumes 20 W (low power). | *If the target temperature is reached, a cooler consumes 20 W (low power). | ||
− | If the room's surroundings are warmer, then the room constantly | + | If the room's surroundings are warmer, then the room constantly need cooling, and a cooler remains at high power. If you have multiple coolers in a room, you can exploit this by having each cooler be 1 degree lower than the last - one will actively cool the room, while the others will be in low power state. |
− | Coolers can theoretically cool 1800 degrees | + | Coolers can theoretically cool 1800 degrees, total - 1 tile by 1800 degrees, 50 tiles by 36 degrees - but this is before considering outside temperature. Simple playtesting reveals that with an exterior temperature of {{Temperature|27|38}}, a single cooler can cool a room with a 10x10 exterior to a minimum temperature of {{Temperature|10|16}}. Under these conditions, 2-3 coolers were required to maintain a constant (frozen) {{Temperature|-1|0}} within the same space. |
== Analysis == | == Analysis == | ||
− | Coolers are often required to create freezers. Perishable items will spoil if not kept cool. Cold temperatures will slow down spoiling, until the freezing point, a temperature of {{Temperature|0}}, which prevents spoilage completely. In many warmer [[biomes]], spoilage is a major obstacle in maintaining a food supply, and thus freezer construction is generally considered a high priority. | + | Coolers are often required to create '''freezers'''. Perishable items will spoil if not kept cool. Cold temperatures will slow down spoiling, until the freezing point, a temperature of {{Temperature|0}}, which prevents spoilage completely. In many warmer [[biomes]], spoilage is a major obstacle in maintaining a food supply, and thus freezer construction is generally considered a high priority. |
If a room is colder than its surroundings, then heat will leak inside. Heat leaks in more when pawns open [[door]]s. You can create an "airlock" with multiple doors; as one door is opened, the next closes, which keeps heat out. If using [[autodoor]]s, make sure to leave enough space between each one. You may want to set a cooler a few degrees below {{Temperature|0}} to keep a slight buffer against temperature gains from opening doors, cooler breakdowns, power outages, etc. | If a room is colder than its surroundings, then heat will leak inside. Heat leaks in more when pawns open [[door]]s. You can create an "airlock" with multiple doors; as one door is opened, the next closes, which keeps heat out. If using [[autodoor]]s, make sure to leave enough space between each one. You may want to set a cooler a few degrees below {{Temperature|0}} to keep a slight buffer against temperature gains from opening doors, cooler breakdowns, power outages, etc. | ||
− | During a [[heat wave]], or inside harsh [[biome]]s | + | During a [[heat wave]], or inside harsh [[biome]]s like a ''desert'', coolers are useful to regulate pawn temperature. Too far beyond a pawn's [[Maximum Comfortable Temperature]] will make them vulnerable to [[heat stroke]] and gives the [[Mood#Hot|''Hot'']] negative moodlet. Having a bedroom above {{Temperature|26}} gives colonists the [[Mood#Slept_in_the_heat|''Slept in the heat'']] negative moodlet, regardless of comfortable temperature. |
− | + | The hot side is rarely useful. It may be used for heating when the outdoors temperature is uncomfortably cold, but not freezing - specifically, between {{Temperature|1|16}}. This isn't recommended if the outdoors temperature often goes above {{Temperature|20}}; otherwise, the cooler will make your colony unbearably hot when you actually need the freezing. Regardless, the hot side must be accounted for. It is recommended to point coolers outside of your base. Alternatively, you can point the hot side to a 1x1 room that's unroofed, as unroofed rooms will always maintain the outside temperature. Otherwise, heat from the cooler will be retained and may go back to the original room, making it harder to freeze. | |
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− | The hot side is rarely useful. It | ||
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− | Regardless, the hot side must be accounted for. | ||
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− | Alternatively, you can point the hot side to a | ||
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== Further test results == | == Further test results == | ||
− | * Outdoor temp: {{ | + | * Outdoor temp: {{temperature|46}} |
: Room size (inside): 5x5 | : Room size (inside): 5x5 | ||
: (outer dimension single wall): 6x6 | : (outer dimension single wall): 6x6 | ||
: Cooler: 1 | : Cooler: 1 | ||
− | : = Temperature: {{ | + | : = Temperature: {{temperature|-3|-2}} |
− | * Outdoor temp: {{ | + | * Outdoor temp: {{temperature|46}} |
: Room size (inside): 5x5 | : Room size (inside): 5x5 | ||
: (outer dimension <u>double</u> walls) :7x7 | : (outer dimension <u>double</u> walls) :7x7 | ||
: Cooler: 1 | : Cooler: 1 | ||
− | : = Temperature: {{ | + | : = Temperature: {{temperature|-14|-12}} |
: Note: The 4 outer corner nor the 4 inner corner walls seem to matter. The material doesn´t seem to matter either. | : Note: The 4 outer corner nor the 4 inner corner walls seem to matter. The material doesn´t seem to matter either. | ||
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== Version history == | == Version history == | ||
*[[Version/0.8.657|0.8.657]] - Added | *[[Version/0.8.657|0.8.657]] - Added | ||
− | {{ | + | {{nav|temperature}} |
[[Category:Temperature]] | [[Category:Temperature]] |