With the cold weather coming, here's a way to find where the warm air is leaking out of your home.

Black & Decker Thermal Leak Detector lets find leaks around doors, windows, your air conditioner, etc. It even can check to see if air is coming in around electric outlets. If the light is green, there’s no leak. When you first turn it on it will get a ‘reference’ temperature of the room and the light will turn green. Then you start your scanning, moving the device 1 to 4 inches from each part of the room where outside air might enter. If the beam turns blue it means cold air is leaking in. Use this when checking for leaks in the winter. When the light turns red it means hot air is getting in. Use that in the summer when you want to keep cool air-conditioned air inside. You also set the Leak Detector for the range of temperature difference you want, 1, 5 or 10 degrees. Black & Decker says their Thermal Leak Detector could save you up to 20% of your heating and cooling energy costs. Not bad for a device that sells for under $50. Runs on one 9-volt battery.

http://blackanddecker.com/Energy/ThermalLeakDetector.aspx?WT.mc_id=BDThermalLeakDetector

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