Making Green Living Logical

Thermal, or infrared energy, is light that is not visible because its wavelength is too long to be detected by the human eye; it's the part of the Electromagnetic Spectrum that we perceive as heat.  Everything with a temperature above absolute zero emits heat, and therefore infrared energy.

Thermal imaging is a wonderful non-contact means of detecting and profiling surface temperature differences (see images below).  Used in place of more traditional temperature sensors, it paints a picture of temperature gradients.  This is useful for locating damaged or missing insulation, damaged or missing weather stripping, and many other anomalies.  Thermal imaging can also be useful in locating areas of water leakage or moisture by showing areas that are at a different temperature than their surroundings (often cooler due to evaporation). Thermal imaging can also be used to detect heat from electronics and mechanical equipment.  It’s often used to survey equipment to detect heat emitted by equipment that is not functioning properly or near failure.

A thermal imaging camera is an invaluable tool, but it is important to note that the camera has limitations.  It cannot see through walls, and only shows temperature gradients on surfaces.  The camera will not, for example, show a roof leak from the inside of a home unless the operator is inside the attic, or the moisture has moved into the ceiling.

Thermal Imaging

Example Thermal Images

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