Diagnosing airflow problems in an HVAC system can be a frustrating and intimidating task. When airflow problems arise without a defined troubleshooting approach, you'll likely end up guessing at the cause. Sometimes you're left wondering if you are on the right track and if your fix really worked. Real airflow troubleshooting begins with hunting down static pressure problems. To accurately diagnose airflow issues created by excessive static pressure, you'll need four essential readings to pinpoint the problem in most systems. Let's look at the four pressure readings you'll need to measure and apply when diagnosing airflow problems.
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