Quote:
Originally Posted by redneck
... I've used a IR thermometer to validate the results and found that temperature of the bubble wrap and adjacent wall are the same....
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Redneck, I absolutely believe that the bubblewrap works to insulate windows per BuildItSolar.com. But I think you need to use the IR Thermometer on the outside of the window and wall.
Because heat energy is moving from hot (inside the house) to cold (outside) in winter I believe that your interior surface temps probably won't differ by much at all. To determine how much heat your window is losing I think you need to use the IR thermometer on the outside of the window and wall. If you compare two equivalent windows, one with bubblewrap and one without, from the outside you will probably see a temperature difference.
FWIW,
Tim