GreasyCoffee pisze:Vinyl Windows VS Aluminum WindowsVinyl WindowsMaintenance-free never requires patniing, sanding or refinishing.Solid virgin vinyl construction provides long lasting beauty and structural integrity.Vinyl is moisture resistant.Vinyl has a high resistance to heat loss or gain.Vinyl is resistant to condensation.Vinyl windows are easy to operate with state-of-the-art balance system.vinyl window frames and sashes are fully fusion-welded for strength and energy efficiency. Welded frames and sashes prevent air and water infiltration. Aluminum WindowsColor is sprayed on, which will scratch, flake and peel, requiring patniing or touch-up.Aluminum is subject to impact damage, denting and scratching.Aluminum corrodes in moist air from pollution and airborne chemicals.Aluminum readily conducts heat and cold.Aluminum supports condensation and can frost in cold weather.Aluminum is subject to abrasion and corrosion, that reduces ease of operation-causing binding and sticking.Aluminum windows are mechanically fastened (screwed), making them prone to air and water infiltration. This condition can cause drafts and leaks, resulting in a loss of energy and damage to your home.