Most PC enthusiasts know the drill for cooling a CPU: liquid metal, copper plates, or even a fancy AIO loop. But what if you could cool your processor with something far more abundant—and colder? A recent experiment by a tech YouTuber demonstrates that an infinite ice loop isn’t just possible, but surprisingly effective at maintaining low temperatures under load.

The setup hinges on a repurposed ice machine, which continuously generates cubes and feeds them into a metal cup mounted directly over the CPU. As the ice melts, a small water pump—tapped into a motherboard fan header—draws the liquid away, sending it back to the machine for recycling. The result is a closed-loop system that theoretically never runs out of cooling power.

Of course, efficiency isn’t the goal here. Running an ice machine alongside a PC isn’t exactly energy-friendly; the system consumes significant power just to keep up with demand. Noise is another concern, as the pump and mechanical components add a constant hum to what’s already a noisy setup. And let’s not forget the practical risks—water dripping near sensitive hardware or the potential for icing over critical components.

How It Works

The core of the build revolves around an off-the-shelf ice machine, modified to feed a vertical tube filled with cubes. These rest on a metal cup that sits atop an aluminum block, which is in direct contact with the CPU. As heat rises from the processor, it melts the ice, and the pump ensures the water doesn’t pool but instead returns to the machine for more cubes.

cooler

Performance and Tradeoffs

  • Cooling Effectiveness: The system stabilizes CPU temperatures around 40°C under load—a respectable figure, though not groundbreaking by modern standards.
  • Power Consumption: The ice machine alone adds noticeable wattage to the system, making it impractical for daily use but fascinating as a proof-of-concept.
  • Noise and Stability: The mechanical components introduce constant noise, and the setup’s reliance on moving parts raises questions about long-term reliability.

The experiment proves that unconventional cooling can work, even if it’s not the most sensible approach. While this isn’t a solution for mainstream builds—where air or liquid coolers dominate—the concept opens doors to creative engineering challenges. For those curious enough to attempt a similar build, caution is advised; water and electricity don’t mix well with sensitive hardware.

Key Specs

  • Cooling Method: Infinite ice loop (ice machine + water pump)
  • CPU Temperature Under Load: ~40°C
  • Power Consumption: Significantly increased due to ice machine operation
  • Noise Level: Elevated (pump and mechanical components)

This isn’t a practical cooling solution, but it’s a fun demonstration of how far you can push hardware experimentation. For most users, traditional coolers remain the way to go—but for those with an adventurous streak, this build shows what’s possible when you think outside the box.