5 Expert Tips to Cool Your Gaming PC During a Heatwave

5 Expert Tips to Cool Your Gaming PC During a Heatwave

Using a top-tier gaming desktop means you’re likely aware of how hot these machines can run, especially during a heatwave. Excessive temperatures may lead to thermal throttling, which can cost you precious performance. In extreme cases, it can even damage your components. Thankfully, there are effective strategies to keep your PC cool, even on the hottest days. With over 20 years of experience as a PC builder, I’ve developed several practices to maintain optimal temperatures while gaming.

1. Optimize Your Airflow

The Thicc Q60 CPU cooler installed in a gaming PC.

One of the most critical aspects of PC building is ensuring proper airflow within the case. High-end components generate substantial heat when under load, and managing that heat is crucial. Ideally, your PC should have a front-to-back, bottom-to-top airflow pattern. This means cool air enters from the front and bottom, while hot air is expelled through the back and top.

Having inefficient airflow can create turbulence and hotspots, which aren’t ideal. Make sure to use dust filters, maintain organized cables, and leave enough space around your case for unobstructed airflow. It’s never too late to adjust fan placements, even if your system wasn’t originally set up for optimal airflow.

2. Switch to Liquid Cooling

Hyte's Thicc Q60 all-in-one liquid cooler.

If you’ve got a high-performance processor and you’re serious about reducing temperatures, consider investing in an all-in-one (AIO) liquid cooler. Unlike traditional air coolers, which are often insufficient during heatwaves, AIO systems utilize a pump, hoses, and a radiator to efficiently transfer heat away from the CPU and, in some setups, even the GPU.

Liquid cooling comes with installation complexities, but AIO units are easy to set up and require minimal maintenance. This option can lower temperatures significantly, giving you more stable performance even in sweltering conditions.

3. Undervolt Your CPU

The Ryzen 7 9800X3D held between fingertips.

Your CPU plays a significant role in your system’s thermal output. High temperatures can cause thermal throttling, directly impacting gaming performance and even leading to crashes. Modern CPUs can tolerate temperatures up to 90-95 degrees Celsius, but you can avoid such extremes by undervolting.

Undervolting can seem daunting, but it’s a straightforward way to enhance your system. By reducing the voltage supplied to your CPU, you can maintain performance while lowering temperatures. This approach also conserves energy, helping your fans run quieter. I recommend this as one of the first adjustments I make when setting up a new CPU.

4. Clean Your PC and Refresh Thermal Paste

The Ryzen 5 7600X sitting among thermal paste and RAM.

Dust is a major enemy of airflow and cooling. When was the last time you took a moment to clean your PC? Dust buildup can obstruct components, leading to increased temperatures. Simply cleaning out dust from fans and heatsinks can significantly lower your temperatures.

Begin by powering down and unplugging your system. Use compressed air to blow out dust, ensuring to hold fans steady during cleaning. Cleaning filters and checking for obstructions is vital. If you feel comfortable doing so, consider removing components like the GPU for thorough cleaning.

Additionally, consider refreshing the thermal paste on your CPU, which can degrade over time. While many suggest doing this every six to twelve months, biennially checks are generally sufficient if conditions are stable.

5. Undervolt Your GPU (and Cap Your Frame Rates)

The RTX 5090 sitting on top of the RTX 4080.

You may not see as dramatic results from undervolting your GPU as you would from your CPU, but it’s still a worthwhile endeavor. Graphics cards come equipped with cooling systems, yet they still contribute to the overall heat in your case. By reducing their voltage, you can achieve lower temperatures without sacrificing performance.

For effective GPU undervolting, I recommend using software like MSI Afterburner. The process involves some trial and error, but the effort is rewarded with reduced temperatures and improved stability. This makes gaming during hot days much more enjoyable.

What are some effective ways to reduce CPU temperature? A solid method is by ensuring proper airflow and considering liquid cooling options.

How often should I clean my gaming PC? It’s advisable to clean your PC every few months to prevent dust buildup that can hinder performance.

Does undervolting affect gaming performance? Typically, undervolting won’t harm performance; in fact, it can stabilize and enhance it by reducing overheating risks.

How can I tell if my cooling system is inadequate? If you notice frequent thermal throttling or high temperatures during gameplay, it may be time to rethink your cooling solutions.

Why is dust buildup harmful to PC components? Dust accumulation restricts airflow, leading to higher operating temperatures and decreased efficiency.

Keeping your gaming desktop cool is essential for not just performance, but longevity. By optimizing airflow, checking cooling solutions, and performing regular maintenance, you can significantly enhance your gaming experience. For more tips and resources, check out Moyens I/O.