How to Build a Freezer in Rimworld

In Rimworld, building a functional freezer is essential for preserving food and other perishable items from deterioration. This guide walks you through the complete process of constructing and configuring a freezer room, from initial room setup to temperature control, ensuring your colony’s food supply stays fresh and secure.

Create Your Freezer Room

The first step is to designate and construct the physical space that will become your freezer. Select the area you want to use and begin building walls to create an enclosed space. This containment is crucial—without proper enclosure, temperature control becomes ineffective.

When building the entrance, use an auto door instead of a standard door. Auto doors open more quickly, which minimizes heat loss when colonists enter and exit. A wooden auto door works perfectly fine for this purpose.

Your construction team will work automatically to build these structures. Once the room is complete, you’ll be able to check the internal temperature—newly built rooms typically start around 23 degrees Celsius indoors.

Install Temperature Control Equipment

To cool your freezer, navigate to the Temperature category in your build menu and construct a cooler unit. Position the cooler so that the cold side faces inward into the freezer room. Depending on your climate, you may need to install multiple coolers to achieve the desired temperature.

Alternatively, you can build wall-mounted coolers or heaters directly into the freezer walls. Again, ensure the blue (cold) side points into the freezer to properly cool the space.

Set Up Power Infrastructure

Your cooler units require electricity to function. Build power conduits running from your main power source to the cooler location. This ensures your freezer maintains consistent cooling regardless of room conditions.

Configure Temperature Settings

Once your cooler is operational, click on it to adjust the temperature. To set it to minus 10 degrees Celsius, click the minus button four times: minus 10, minus 10, minus 10, and then minus 1. This brings your freezer to the target temperature of minus 10 degrees.

You can verify the temperature by hovering your mouse over the freezer room. The tooltip will display the current temperature reading. Once configured correctly, you’ll see the temperature drop to minus 10 degrees.

Best Practices for Your Freezer

Avoid placing your freezer entrance in high-traffic areas like your kitchen. Frequent door openings cause significant heat fluctuation and reduce cooling efficiency. Reserve the freezer door for colonists who need to retrieve food, rather than using it as a common passageway.

Conclusion

Congratulations—you have now successfully built a functional freezer in Rimworld! Your food storage will remain preserved at minus 10 degrees, protecting your colony’s food supply from spoilage. Remember to monitor temperature levels and adjust cooler settings if needed based on your colony’s location and climate conditions.

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