Red Seal Insulator (Heat and Frost) Practice Exam

Improper installation of insulation can lead to significant issues, primarily mold growth and energy loss. When insulation is not installed correctly, it can create gaps or compressions that allow air leaks. This disrupts the intended thermal envelope of a building, leading to heat loss during the winter and heat gain in the summer.

Poorly installed insulation can also trap moisture, especially in areas like attics or around ducts. If the insulation is damp for prolonged periods, it provides an ideal environment for mold spores to thrive, potentially leading to health issues and structural damage. This highlights the importance of proper installation techniques to maintain both the energy efficiency of the building and to prevent moisture-related problems.

While enhanced energy efficiency and improved indoor air quality are desirable outcomes associated with proper insulation, they are not attainable if the installation is flawed. The option regarding storage of excess insulation is not relevant to the immediate effects of installation quality. Therefore, the correct answer emphasizes the critical consequences of improper insulation practices.