Nate Core Practice Test 2025 – Comprehensive Exam Prep

Question: 1 / 400

What does "cooling load" refer to in HVAC?

The amount of air that can be cooled per hour

The total humidity present in a room

The total heat energy that must be removed to maintain a desired temperature

Cooling load refers to the total heat energy that must be removed from a space to maintain a desired temperature. This concept is crucial in HVAC (Heating, Ventilation, and Air Conditioning) design, as it dictates the size and capacity of the cooling systems needed for effective climate control. Factors that contribute to the cooling load include external heat sources such as sunlight, internal heat sources from equipment and occupants, and the humidity level in the air.

Understanding the cooling load helps HVAC professionals analyze the heat gain in a space and design systems that can adequately remove that heat, ensuring comfort and efficiency. It involves a detailed calculation that takes into account various elements, including insulation, air infiltration, and the thermal properties of building materials, enabling appropriate system sizing for effective temperature regulation.

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The capacity of a cooling system in BTUs

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