Black and Decker offers the TLD100, a Thermal Leak Detector that detect leaks and drafts. The HeatSeeker is an infrared sensor that finds these leaks along walls, molding, ductwork and more. When device hits a hot or cold spot, light changes to red or blue and the temperature will be displayed on LCD screen.
The Black & Decker TLD100 will be available in January for $39.99.