Your HVAC system usually gives subtle hints when something isn’t quite right. A slightly warmer room, a small increase in energy bills, or airflow that feels weaker than usual can often wait for a scheduled service call. But there are certain situations where waiting isn’t just inconvenient—it can be unsafe. Knowing when to call for emergency HVAC service can protect your comfort, your home, and even your health.
Below are some of the most common warning signs that mean it’s time to call for help right away.