Heating and cooling prices at all-time highs, can you afford to select anything but the most energy-efficient windows and doors for your home. Madison Vinyl Windows & Doors provides energy efficient windows and doors that are designed specifically to provide exceptional thermal performance. Most window owners experience a significant decrease in home energy consumption because nearly all of Madison Vinyl’s windows qualify for the ENERGY STAR label when one of Madison’s numerous high-performance Low-Energy glass systems is selected.