Answer in brief: The latest guidance indicates Humidifiers in ARC Raiders are most reliably found in the Red Tower in Buried City, with red lockers on the second floor typically containing them; other residential areas (like Plaza Rosa nearby, Dam Battlegrounds, and other residential zones) can also yield them, but less consistently.
What this means for you
- Primary hotspot: Buried City > Red Tower
- Go to Plaza Rosa and head northeast to the Red Tower.
- Enter, ascend to the second floor, and check the red lockers. Those lockers almost always contain at least one Humidifier.[1][2][3]
- Secondary/alternative spots:
- Residential areas within Buried City or Dam Battlegrounds often spawn Humidifiers, though with lower certainty.
- Plaza Rosa itself and nearby residential buildings can be worthwhile checks if you’re not finding items in the Red Tower.[3][9][1]
- Quick farming note:
- If you’re aiming to collect multiple Humidifiers quickly, many guides propose a fast run sequence centered on the Red Tower looting, then exiting via the adjacent metro, to reset the lobby and repeat.[4][5]
Illustrative route (typical efficient path)
- Enter Buried City via Plaza Rosa, locate the Red Tower, climb to the second-floor locker row, loot the red lockers, extract through the nearby metro, repeat as needed.[2][1][3]
Citations
- Humidifiers commonly found in Red Tower lockers in Buried City.[1][2][3]
- Other residential areas as backup spawning locations.[9][3]
- Quick route emphasis and farming approach.[5][4]
If you’d like, I can summarize the top 3 routes with estimated times for farming Humidifiers based on current map layouts.
Sources
The Humidifier is a rare Residential-zone loot item in ARC Raiders required for Stage 4/6 – Outfitting of the Expedition Project. You’ll need 5 Humidifiers to complete this step, along with several advanced crafting materials. Because Humidifiers spawn only in Residential Loot Zones, they can be difficult to farm consistently. But there are two highly […]
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