Suction pressure, head pressure, subcooling, superheat, delta T. Taking all five of these calculations into account on every service call is critical. Even if you must do further diagnostic tests to pinpoint the problem, these five factors are the groundwork before more effective diagnostics can be done. I would also add static pressure as an […]

The topic of static pressure comes up frequently in HVAC, and it’s sometimes presented as a test that can be all-knowing and insightful about what is happening with regard to airflow in a system. To use static pressure responsibly, we need to understand what it really is and what it means for an HVAC system. […]

  As with most other trades, HVAC/R technicians need to have a solid set of hard skills to make it in the industry. Whether we pick up those hard skills by working on cars as teenagers, learning them in a trade school, or acquiring them on the job, we’ll have to rely on our hard […]