Rock the Residential HVAC Install Exam 2026 – Chill Out with Top Scores!

Question: 1 / 400

What does the term "cfm (infiltration)" represent in HVAC installation practice?

Amount of insulation in the house

Rate of air return in the ductwork

Volume of air that leaks into or out of a building

The term "cfm (infiltration)" in HVAC installation practice represents the volume of air that leaks into or out of a building. This measurement is crucial because it helps HVAC professionals assess the efficiency of a system and determine if there are any air leakage issues that need to be addressed. Options A, B, and D are incorrect because they do not directly relate to the concept of air leakage in a building, which is specifically indicated by the term "cfm (infiltration)."

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Efficiency rating of the air conditioning unit

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