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Energy audits

Thermal camera for insulation inspection

How weather, temperature difference and wind affect insulation scans.

Short answer

Missing or compressed insulation may create a surface-temperature pattern, but wind, sun and recent heating cycles can dominate the image.

A practical workflow

  1. Aim for calm, dry weather and a useful indoor-outdoor temperature difference.
  2. Scan broad areas before zooming into anomalies.
  3. Compare repeating framing patterns with irregular gaps.

Common mistakes

  • Inspecting a sun-heated elevation
  • Ignoring wind washing
  • Confusing framing with missing insulation
Confirmation step: Repeat under better conditions or use blower-door testing and physical inspection.

Choosing a camera for this job

Start with native IR resolution, thermal sensitivity, field of view and focus. Close electronics work often needs macro or manual focus; broad building scans benefit from a useful field of view and enough native pixels to resolve an anomaly from a safe distance. Compatibility and reporting workflow matter as much as the headline detector specification.

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Reviewed August 2026 · Educational information, not a substitute for qualified electrical, mechanical or structural advice.