Rather than tearing out the lens, it might have been better to move the=20 stereo and replace it with something that stores the thermal energy=20 during the day and releases it later. A brick? Joe W On 11/14/2013 03:14 PM, YES NOPE9 wrote: > I felt compelled to share what happened this week......... > In the interests of recycling everything , I used the front lens of a pro= jection TV to winterize a window. > The lens is a flat piece of plastic about 3mm thick. I guess it is a fre= snel lens. > I cut it to fit the window and installed it as an additional transparent = layer. > I thought nothing of it until today when I happen to look at the stereo r= eceiver sitting near the window. > The top of the receiver and two of the knobs were partially melted. > So now I am removing the plastic. > https://plus.google.com/u/0/photos/106062573647649373210/albums/594620907= 6234785857 > Gus in Denver --=20 Joe Wronski Stillwater Embedded Engineering www.stillwatereng.net --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .