Nate Core Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

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In HVAC terminology, what does “BTU” stand for?

British Thermal Unit

In HVAC terminology, "BTU" stands for British Thermal Unit. This unit measures the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. Understanding BTUs is essential in the heating, ventilation, and air conditioning (HVAC) industry because it provides a standard measurement for energy output or consumption related to heating and cooling systems. This allows professionals to assess the performance of various HVAC units and design systems that meet specific heating and cooling requirements for a space. The other terms listed, such as Basic Temperature Unit, Boiling Thermal Unit, and Building Thermal Use, are not recognized standards in HVAC terminology.

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Basic Temperature Unit

Boiling Thermal Unit

Building Thermal Use

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