Feb 07 2010
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I picked up one of these Black & Decker TLD100 Thermal Leak Detectors last week from Amazon. It’s awesome. Basically, you point it at a neutral temperature spot in your home to calibrate it, then point it elsewhere to find out where the cold and hot spots are. It shoots a color coded beam onto the spot.
Some spots are obvious, such as leaks around door frames. Others are more subtle, such as differences in insulation behind closets.
If you’d like to borrow it, let me know. I’ll totally hook you up.