Difference between revisions of "Cooler"
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Coolers have two states of power consumption: low and high. A cooler that is actively cooling a room will consume 200W (high power), regardless of the thermostat setting. Once the goal temperature is reached, the cooler will transition to its low power state where it only uses 20W. If the room's surroundings are warmer, then the room will constantly be heating (and low power mode won't be sustained). 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 have two states of power consumption: low and high. A cooler that is actively cooling a room will consume 200W (high power), regardless of the thermostat setting. Once the goal temperature is reached, the cooler will transition to its low power state where it only uses 20W. If the room's surroundings are warmer, then the room will constantly be heating (and low power mode won't be sustained). 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. | ||
| − | 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. | + | Coolers can theoretically cool 1800 degrees divided between tiles - 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 == | ||
Revision as of 06:53, 29 September 2022
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Cooler
An air-cooling machine that fits into a wall. Cool air comes out one side, while hot exhaust comes out the other. Can be used to cool down rooms during summer, or to create a walk-in freezer.
Base Stats
- Type
- Building – Temperature
- Market Value
- 275
[Note] - HP
- 100
- Flammability
- 70%
Building
- Size
- 1 × 3
- Placeable
- True
- Cover Effectiveness
- 75%
- Terrain Affordance
- Medium
- Power
- -200 W
Creation
- Required Research
- Air conditioning
- Skill Required
- Construction 5
- Work To Make
- 1,600 ticks (26.67 secs)
- Resources to make
90 + 
3- Deconstruct yield
- 45 + 1 - 2
- Destroy yield
- 22 - 23 + 0 - 1
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 coolers, requiring research and power, but not limited to low of 17 °C (62.6 °F) and thus capable of refrigerating or freezing food.
Summary
Coolers take the place of a wall tile. If powered, they will cool their front side (shown by a blue tile on placement), and conversely, will heat their back side (red tile). The cooler must not be blocked on either side, and rooms must be enclosed with a mostly complete roof in order to actually be cooled/heated. Coolers will attempt to cool the room to its target temperature, though surrounding heat and the room's size may make this impossible. See the temperature page for more details.
Coolers have two states of power consumption: low and high. A cooler that is actively cooling a room will consume 200W (high power), regardless of the thermostat setting. Once the goal temperature is reached, the cooler will transition to its low power state where it only uses 20W. If the room's surroundings are warmer, then the room will constantly be heating (and low power mode won't be sustained). 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 divided between tiles - 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 27 °C – 38 °C (80.6 °F – 100.4 °F), a single cooler can cool a room with a 10x10 exterior to a minimum temperature of 10 °C – 16 °C (50 °F – 60.8 °F). Under these conditions, 2-3 coolers were required to maintain a constant (frozen) -1 °C – 0 °C (30.2 °F – 32 °F) within the same space.
Analysis
Other than keeping pawns at a comfortable temperate, coolers are often required to create freezers. Perishable items will spoil if not kept cool. Cold temperatures will slow down spoiling, until a temperature of 0 °C (32 °F), 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 out. Heat leaks in more as pawns open doors. You can create an "airlock" with multiple doors; as one door is opened, the next closes, which keeps heat out. If using autodoors, make sure to leave enough space between each one. Items inside will begin spoiling once warmer than 0 °C (32 °F). You may want to set a cooler a few degrees below 0 °C (32 °F) to keep a slight buffer against temperature gains from opening doors, cooler breakdowns, power outages, etc.
Further test results
- Outdoor temp: 46 °C (114.8 °F)
- Room size (inside): 5x5
- (outer dimension single wall): 6x6
- Cooler: 1
- = Temperature: -3 °C – -2 °C (26.6 °F – 28.4 °F)
- Outdoor temp: 46 °C (114.8 °F)
- Room size (inside): 5x5
- (outer dimension double walls) :7x7
- Cooler: 1
- = Temperature: -14 °C – -12 °C (6.8 °F – 10.4 °F)
- Note: The 4 outer corner nor the 4 inner corner walls seem to matter. The material doesn´t seem to matter either.
Version history
- 0.8.657 - Added