Thermal Imagery for Energy Efficiency

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Thermal Imagery for Energy Efficiency

Published on
October 16, 2023
Thermal Imagery for Energy Efficiency

All facilities are subject to thermal loss, moisture ingressand equipment failure. Manual inspections can get to the root of the problem,but they can be time-consuming and destructive. Consider what it would take topass through a wall or complex piece of equipment to reach the suspectedproblem.

Thermal imaging allows you to reveal problems moreefficiently and safely because it is non-invasive and visually concise. Usingthermography for roof inspections allows you to see behind the covering anddetect air tightness or thermal efficiency issues in a way that isnon-destructive and non-invasive.

Thermography accurately identifies problems such as moisturespots in the insulation of a sandwich roof. If you can see what is underneaththe trim without having to make a cut that needs to be repaired, the problem ismuch easier and quicker to solve. Whether your project is a full or partialrestoration, a thermal inspection of the roof components means you only need toreplace what is damaged. You save time and money!

How does a Thermal scan work?

A thermal imaging camera or infrared camera detects the heatemitted by an object or person. Thermal imaging cameras have lenses, just likenormal visible light cameras. But in this case, the lens focuses on waves ofthe infrared energy present in the objects and sends it to an infrared sensorarea.

A thermal scan is made with a special thermal imaging camerathat can record infrared heat radiation. That is why it is also known asinfrared photo. The camera contains a so-called microbolometer, which heats upby infrared radiation. The temperature differences are converted intoelectrical voltage, which is in turn converted into an image. On most commonlyused appliances, blue indicates cold and red indicates heat.

Thousands of sensors convert the infrared energy intoelectrical signals, which create a video image. The infrared camera measuresand shows a “thermal profile” of objects compared to the temperature of thesurrounding objects. So if a person is warmer than the surrounding area, theywill appear in a “white” or “red/orange color” while the cooler surroundingareas or buildings will appear in different shades of gray or other colors forexample green and blue.

A thermal imaging camera like the one Volare DroneInnovations uses provides a clear and sharp image from early in the morning tolate in the evening and in the middle of the night. Because a special part ofthe infrared spectrum is used (seen as heat), the image is always the same,whether it is during the day or in complete darkness.

Thermography is a measuring method that works with infraredimages. Temperature differences are clearly visualized via a thermographiccamera. In the photo you can see perfectly where your house loses (the most)heat... and you immediately know what you can do about it!

An ideal day for a thermographic scan is one withtemperatures of <10° C. The sun is also not shining too hard. This way yourheat loss is optimally displayed.

Why a thermal image?

A thermal scan indicates where heat is lost from the homeand where it makes sense to install extra insulation. Insulation makes yourhome more pleasant, but also healthier: inadequate insulation (cold bridges)can cause moisture and mold in walls and wood rot in floors and roofs.

The following defects can be detected with a thermal imagingcamera:

- Missing insulation

- Wet or sagging insulation

- Thermal bridges (in the insulation)

- Cracks, seams and holes

- Airtightness of the home

- Construction defects

- Incorrect detailing

- Leakages

Poor insulation can save an average-sized home aroundC$2,000 in heating costs annually. This is equivalent to approximately tenpercent of the total climate burden of an average household. Living in a poorlyinsulated, drafty house is also unpleasant: it always feels cold.

Thermography is used for a variety of purposes, and canprovide many benefits:

It can quickly locate problem areas and potentialwater-related issues

It eliminates the need for exploratory demolition

It can minimize long-term repair costs

It helps control claims costs

What can we do for you?

If you would like to know where your problem area of yourhome or building is, ask our specialist at Volare Drone innovations at403-866-9537 or visit our website to see what else wecan offer with our drones.

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