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What is the purpose of performing a load calculation during an energy audit?

To identify unnecessary building materials

To determine the appropriate size and capacity of HVAC systems needed for the building

Performing a load calculation during an energy audit is essential for determining the appropriate size and capacity of HVAC systems needed for the building. This process involves evaluating the heating and cooling requirements based on various factors, including the building's size, insulation levels, window placement, and air leakage.

By accurately calculating the load, professionals can ensure that the HVAC system installed will effectively manage the indoor climate without being oversized or undersized. An oversized system may lead to short cycling, resulting in inefficient energy use and increased wear on equipment. Conversely, an undersized system may struggle to maintain comfortable temperatures, leading to discomfort and increased energy consumption as it works harder. Therefore, conducting a load calculation is crucial to optimize energy efficiency, comfort, and equipment longevity in the building.

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To estimate construction costs

To assess the architectural design

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