Experiencing a situation where you can barely feel air coming out of your home's supply vents points to a major restriction within your HVAC distribution network or a critical blower fan failure. The primary cause is typically a severely neglected air filter packed solid with dust and pet hair, which chokes the blower fan and spikes static pressure. Another major cause is a completely frozen indoor evaporator coil that blocks airflow and halts heat exchange. Additionally, a tripped circuit breaker, a burnt-out blower motor, or a collapsed main trunk duct can cause total airflow collapse. You can troubleshoot by turning off the AC at the thermostat, checking your filter, and inspecting the indoor unit for ice. You can verify that normal operation is restored when resolving the blockage or thawing the coil returns powerful airflow.
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