Why Dust and Heat Still Matter (Even in the Cold)
Oct 22, 2025It might feel chilly outside, but inside your computer, things can still heat up fast. Dust buildup, blocked vents, and fan wear are silent troublemakers that can shorten your PC’s life and slow performance.
Here’s what you should know this fall:
1️⃣ Dust Is an Insulator
When dust settles inside your computer, it traps heat around the CPU, graphics card, and power supply. The result? Fans spin harder, systems throttle down, and performance drops.
🧹 Fix it: Use short bursts of compressed air (or a low-speed vacuum on exhaust vents) to clear dust. Avoid blowing it deeper inside.
2️⃣ Fans Work Harder in the Cold
It’s counterintuitive — but when air is dry and cold, static and dust combine to create perfect fan-clogging conditions.
⚙️ Fix it: Check vents and fans monthly. If your system sounds louder than usual, it’s likely dust buildup, not cold air.
3️⃣ Heat Hurts Components Over Time
Even small heat spikes reduce component lifespan. Clean systems stay cooler, quieter, and last years longer.
💡 Fix it: Keep your PC away from walls, rugs, or heaters — and avoid leaving laptops on blankets or cushions.
🍁
Keep It Running Like New
🧰 PCRescue’s $99 Fall Tune-Up Special includes full system cleanup, update check, and performance optimization.
👉 Book your tune-up today — offer ends October 31!
About PCRescue
For 23 years, PCRescue has been helping homes and small businesses keep their computers running safely and efficiently — no shop visits required.
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