A Clear View On Vinyl Window Options Free PLR Article Windows are an investment in your homes real estate value. They add style- both indoors and out. But old, leaky windows can also add to home heating and cooling costs by as much as 30 to the 1970s, millions have been installed and the demand continues to grow. Advanced manufacturing techniques shape vinyl windows into different styles, including single- and double-hung, horizontal sliding, casement, architectural shapes and more, ...