Certified Energy Auditor Practice Exam

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Study for the Certified Energy Auditor Exam with our comprehensive quiz. Test your knowledge with multiple choice questions, detailed hints, and clear explanations. Prepare effectively and confidently for your certification!

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What happens to Batt insulation's thermal performance if it has gaps and compressions?

It improves by 10%
It stays the same
It decreases significantly
It doubles in efficiency

The correct answer is: It decreases significantly

Batt insulation relies on being evenly distributed and properly installed to function effectively. When there are gaps and compressions in batt insulation, it disrupts the insulation's ability to trap air, which is essential for its thermal resistance. Gaps allow air movement and heat transfer, significantly reducing the material's R-value, which is a measure of thermal resistance. Compressions, on the other hand, reduce the thickness of the insulation, thus lessening the amount of air that can be trapped. This change in density can lead to a higher thermal conductivity, further lowering the insulation's effectiveness. Together, these issues can lead to a significant decrease in insulation performance, which is crucial for maintaining energy efficiency in a building. Therefore, recognizing that gaps and compressions negatively impact batt insulation is essential for proper energy auditing and management.