Interactive Air flow

Discover how air moves through an HVAC system. Click the components to learn how airflow affects comfort, efficiency, and system performance.

VoSKILL Academy
HVAC Technician

Airflow Fundamentals

Why 400 CFM per ton matters, and what a dirty filter really does

Return grille room air in Air handler Filter Blower Evap coil coil 40°F Supply registers return 75°F supply 55°F 0.50" w.c.
1200CFM
Airflow actually moving
400CFM/ton
Target 350 to 450
20°F
Delta-T (return minus supply)
0.50" w.c.
Total external static
Healthy
System reading

Try:
VoSKILL AcademyLearn. Build. Lead.voskill.com(561) 221-2902West Palm Beach, FL

Why It Matters

Even a perfectly charged air conditioner won't perform properly without good airflow. Understanding how air moves through a system is essential for diagnosing problems and keeping HVAC equipment running efficiently.

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