If insulation is your top priority for your home, then insulated vinyl could be your best option. This option comes equipped with extra insolating foam built right in. This is a good choice for the savvy, cost-winded builder with long-term savings in mind. This insulating option can save you a lot on heating bills over the course of years. With plenty of styles to choose from, and plenty of practical qualities, this may be the best choice for you.