It's a bad line fexofenadine kopen Looks very cool, but it also sounds like something that would end up like the solar panel fad Bill Gates described as 'cute'. If these things are expensive they will be used only by companies with money to burn who are trying to improve their 'green' cred. The average person will not care about saving a few bucks a month on heating if it costs $250 per window to do it.
