How to Compare Vinyl to Aluminum Windows

Research the basic differences between vinyl and aluminum windows. Vinyl windows are made from a material called polyvinyl chloride, which is durable and resistant to damage, condensation and heat loss. Aluminum windows are also durable, and they're lightweight, making them easy to install. A finish will protect against deterioration and corrosion in most climates, and insulation made of extruded vinyl and foam can increase resistance to condensation and heat loss.

Pay attention to your area's climate when choosing between vinyl and aluminum windows. Vinyl windows can warp and become distorted in extreme temperatures, including heat and cold, while aluminum windows will corrode and deteriorate in areas with moist, salty air, such as areas near the coast.

Check the U-factor of the vinyl and aluminum windows. The U-factor is the measure of how well the window helps insulate your home. Lower U-factors are better, and they range from 0.25 to 1.25 for vinyl and aluminum windows.

Inspect the hardware closely on the vinyl and aluminum windows you're comparing. The hardware is what latches the windows and keeps them closed. These should always be made of metal, not plastic, and the finish should match nicely with your home's interior.

Read the warranty information carefully for the vinyl and aluminum windows. The warranty you choose should last for a minimum of five years and should cover things such as glass-seal, the insulation and the window parts.