Infrared Energy Audit Procedures

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Energy audit : "Steps to a successful building envelope inspection"

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The following steps to an infrared camera energy audit survey are meant to cover the basics. For in-depth procedures or consultation and recommendation for your own application Contact Us today.

Prepare The Site
It is important when performing the survey to have the structure prepared in advance. As we reviewed in the theories, thermal cameras see temperature differences. This is why it is important to maximize the difference in temperature between the interior and exterior of the building. We are going for at least a 20°F temperature difference. This is easily obtained by heating or cooling the interior and performing your survey at the right time. Make sure that the heat or AC is turned off about an hour before your inspection. Try to inspect the location at a time when the least activity is going on inside the structure. Early morning is a good time. Remember that the sun shinning on the exterior will affect your results so plan your inspection accordingly.


Equipment Check
Sounds obvious but dead batteries can ruin your day. Make sure your equipment is operating correctly and that you have fully charged batteries, memory cards, floppy disks, video tapes, or other supplies that you will need. TIP: If possible find a place at the site to charge your batteries (even 12volt in your vehicle) and start to recharge them as soon as they go out so you will be prepared for any delays you might encounter. Remember an infrared camera without power is a very expensive paperweight!


Walk The Site
Familiarize yourself with the layout! Look for potential problem areas and arrange access to any blocked areas. It is much easier to do this now rather than try to find someone later. Keep an eye out for areas that appear damaged to the naked eye and note the areas that typically have problems. The most common problems areas are around doors / windows, joints, corners, add ons or new construction, and through-the-membrane installation.


Fire up that system and perform the inspection. Look for any anomalies in the structure. Pay close attention to the obvious areas. Some leakage will occur in all structures and is not necessarily indicative of a problem. Watch for abnormal uneven or gross patterns to emerge. Make sure you inspect the interior outside facing walls. Take regular pictures of suspect areas to include in your report. Take one overview shot of the facility or key areas.


Download your images and start up your reporting software. Manipulate the image to achieve a clean look. Utilize your palate controls to maximize information in the problem areas. Attach a regular image to each problem area in the report. Deliver the report to the customer in a timely manner. Always deliver the most professional product you are able to and make sure it arrives when you say it will.





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