Fanelli Window Pros Looking for the finest vinyl replacement windows on the market today? You have come to the right place. Fanelli Window Pros™ manufactures and installs the very best vinyl replacement windows money can buy. When combined with our unbelievable "Double the Life of the Home Warranty," you have a win, win combination that no other window company will come close to. Every Fanelli vinyl replacement window is made of 100% pure virgin vinyl, not recycled vinyl like our competitors. The corners of our windows are assemble by fusion welding. If the window frames are going to be 100% air tight, they have to be fusion welded.  Check out some of our best features. Click here for a free estimate Window Styles The Tech 2000 line offers many different styles for almost any application including: Double hung, 2 lite slider, 3 lite slider, casement, bay and bow garden windows. Miracle Glass Energy Efficiency - Miracle Glass utilizes cutting edge spacer technology and argon gas to create insulation at the glass surface, and combines it with a highly advanced process to create glass that is clear looking, but highly reflective to radiant heat. Virtual Tour Click here to see how our windows are made. Free Estimate Click here to schedule your free in-home estimate.