As PC builders, we spend a lot of time worrying about CPU temps. Buying the right case, optimizing airflow, and setting custom fan curves are often focused on keeping the CPU temps low. That said, many of us might be unintentionally reducing the CPU lifespan because of certain beliefs and habits. Heat, dust, and misconfigured settings might not outright kill your CPU, but they can surely hurt its longevity. If you’re guilty of any of the following mistakes, it might be time to look into remedies.