Building Code Administrators and Inspectors Florida Principle and Practice Licensure Practice Exam

What does the solar heat gain coefficient measure?

1. Thermal conduction

2. Solar heat gain coefficiency

3. SEER

4. None of the above

The correct answer is: Solar heat gain coefficiency

The solar heat gain coefficient (SHGC) specifically quantifies the amount of solar radiation that is transmitted through a window or door, both directly and indirectly, into a conditioned space. It is expressed as a number between 0 and 1, where a lower value indicates that less solar heat is entering the building, which is beneficial for energy efficiency in warmer climates. This coefficient is essential for determining a building's energy performance, especially in relation to heating and cooling loads as it helps in selecting appropriate glazing or shading devices. By understanding and applying the SHGC in design and construction, professionals can significantly impact indoor comfort and overall energy consumption. The other options do not accurately describe the SHGC; thermal conduction refers to heat transfer through materials, SEER (Seasonal Energy Efficiency Ratio) is a measure of air conditioner efficiency, and the phrase "solar heat gain coefficiency" is not the correct term, making it clear that the accurate answer revolves around the definition and measurement of the solar heat gain coefficient.