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The primary function of a thermal imaging camera in home inspections is to detect variations in temperature. This technology works by visualizing thermal energy and identifying areas of heat loss, moisture intrusion, or insulation deficiencies within a building envelope. By seeing temperature differences, inspectors can locate potential issues that might not be visible to the naked eye, such as insufficient insulation, air leaks, or water leaks that could compromise the integrity of the property.

While assessing structural integrity, evaluating insulation quality, and identifying pest infestations are all important aspects of a home inspection, they are not the primary role of thermal imaging. The camera provides a visual representation of thermal patterns, enabling inspectors to make informed assessments based on the temperature anomalies it detects. This information is crucial for identifying areas needing further investigation or repair to enhance energy efficiency and prevent damage within the home.