Derek ColeGM, Simmons One Hour Heating & Air · AI HVAC Answers

HVAC Airflow Blocked? What You NEED to Know #shorts

18 Feb 2026 · 0 min

Watch on YouTube

0:21

In this short video, the speaker explains that when an HVAC system’s airflow is blocked, the air is forced back down the duct (or “hole”), which disrupts the heating process. This reverse airflow reduces heating efficiency and can cause system issues. The speaker also points viewers to a LinkedIn article that discusses the problem in more detail.

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