PolarTech Vinyl Replacement WindowsHome / Replacement Windows / PolarTech Vinyl Replacement WindowsPolarTech 8000 Vinyl WindowsOur top-tier window model offers the most options and features. ENERGY STAR® qualified windows manufactured with Low-E glass and argon gas to replace your single pane clear glass windows will reduce energy consumption.PolarTech 5000 Mid-Tier Vinyl WindowsOur mid-tier window model offers expanded options and features. Maintenance free vinyl formulations that retain color and smooth surface; multi-chamber extrusions that add strength and insulation.PolarTech 3000 Economical Vinyl WindowsOur baseline window model for the most savings and value. Energy saving, maintenance-free vinyl window at an economical price.Window Types AvailableDouble Hung2-Lite Glider 3-Lite GliderCasementCasement Double3-Lite Casement4-Lite CasementAwningSlimline PicturePictureCasement PictureGarden