Guide to Detecting Building Heat Loss with the Testo 868 Thermal Camera

Guide to Detecting Building Heat Loss with the Testo 868

Using Thermal Imaging to Improve Energy Efficiency

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Energy loss in buildings is often invisible to the human eye. Poor insulation, hidden air leaks, and thermal bridges can significantly increase heating and cooling costs. A thermal camera like the Testo 868 makes these issues visible by capturing temperature differences across surfaces.

With its 160 × 120 infrared resolution and SuperResolution up to 320 × 240, the Testo 868 helps inspectors, contractors, and maintenance teams identify heat loss areas quickly and accurately.

• 160 × 120 infrared resolution with SuperResolution up to 320 × 240
• Thermal sensitivity < 0.08 °C for detecting small temperature differences
• Temperature range from -30 °C to +650 °C
• ScaleAssist technology to automatically optimize thermal image contrast
• ε‑Assist feature for accurate emissivity adjustment
• WLAN connectivity with the Testo Thermography App

Improve Building Energy Efficiency

Thermal imaging has become one of the most effective tools for detecting building heat loss. By using the Testo 868 thermal camera, inspectors and maintenance teams can quickly locate insulation failures, air leaks, and hidden moisture issues.

Early detection allows building owners to fix problems faster, reduce energy costs, and improve indoor comfort.