Certified Energy Auditor Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

When using Batt insulation, unevenly cut materials should be avoided because they can lead to gaps and unsealed areas within the insulation envelope. Proper installation is crucial for achieving the optimum thermal performance and energy efficiency of Batt insulation. Gaps can create thermal bridges, allowing heat to bypass the insulation altogether, which decreases the overall effectiveness and can lead to energy loss, cold drafts, and increased heating or cooling costs.

Even cuts allow the insulation to fit snugly in the cavities they are intended to fill, ensuring comprehensive coverage and minimal airflow between the inside and outside of a building. This tight fit not only enhances thermal performance but also helps in sound attenuation and moisture control, further contributing to a comfortable indoor environment.

Natural fibers, plastic sheets, and loose fill insulation, while they have their own considerations, do not directly relate to the installation effectiveness of Batt insulation in the same way that unevenly cut materials do. Therefore, it is essential to ensure that Batt insulation pieces are cut accurately to fit the intended spaces to maximize their benefits.