Milgard. Quiet Line vinyl windows can be specified with a 40 to 47 Sound Transmission Class (STC) rating. Once a frame type has been selected, the firm can build a window to meet a specific STC requirement by combining heavier glass, laminated glass, or differing glass thickness. The windows, available in white or almond, come in slider, double-hung, casement, and picture styles. 800-645-4273. www.milgard.com.

Windsor. Featuring pre-punched nail fins, multi-chambered extrusions, galvanized steel reinforcement bars, and multi-point locking systems, Next Dimension vinyl windows are strong and easy to maintain, says the firm. The windows, which come in a variety of shapes and sizes, are available with obscure, tinted, and low-E glass options. 800-887-0111. www.windsorwindows.com.

Weather Shield

Weather Shield. Vision 2000 vinyl windows are maintenance-free and won't rust or corrode, the firm says. The windows are available in single-hung, double-hung, casement, and awning styles. The line comes standard with integral nailing fins and fusion-welded corners. Optional grilles and glazes also are available. 800-477-6808. www.weathershield.com.

Andersen. The 200 series gliding vinyl-clad window comes in 3-1/4-inch and 4-9/16-inch frame widths with seamless frame vinyl cladding. The window, which is available with a natural pine or pre-finished white interior, features optional between-the-glass grilles and snap-in wood interior grilles. The firm manufactures many other windows and doors. 800-426-4261. www.andersenwindows.com.

CertainTeed

CertainTeed. Part of the New Castle XT vinyl line, the newest single-hung design is built with two real sashes to create the look of a double-hung window. The removable upper sash allows the unit to be used as a drywall window and allows for easier replacement of glass from the interior, the firm says. 800-233-8990. www.certainteed.com.

Simonton

Simonton. ProFinish vinyl windows come in double-hung, single-hung, casement, slider, picture, and geometric-shaped styles. The windows, which won't pit, peel, or chalk, claims the maker, feature welded frames and sashes and integral J-channels. Numerous glass options and grids are available. 800-542-9118. www.simonton.com.

Summit

Summit. Fusion-welded vinyl windows are perfect for new or remodeling applications because they resist water, corrosion, and mold, claims the firm. Available in white and almond, they feature removable nailing fins. Muntins are optional. The company also manufactures aluminum-clad and wood windows as well as patio doors. 800-877-9482. www.summitwindows.com.

CertainTeed

CertainTeed. Part of the New Castle XT vinyl line, the newest single-hung design is built with two real sashes to create the look of a double-hung window. The removable upper sash allows the unit to be used as a drywall window and allows for easier replacement of glass from the interior, says the firm. 800-233-8990. www.certainteed.com.

MW

MW. Shown here with the easy-tilt option that allows both the upper and the lower sash to tilt in for cleaning, the V-Wood vinyl-clad window comes standard with 5/8-inch-thick insulating glass. Between-the-glass and removable wood grilles, as well as low-E, tinted, low-E/tinted, and low-E/argon glazing options are available. 800-999-8400. www.mwwindows.com.

Hy-Lite

Hy-Lite. Made from acrylic block, these operable casement windows are available with aluminum and vinyl frames. Multiple block sizes, colors, patterns, and shapes allow the block units to be used nearly anywhere, for new and retrofit applications, claims the firm. Accessories, including corner caps and muntins, also are available. 877-712-4013. www.hy-lite.com.

Vetter

Vetter. ProV vinyl windows, in white or sandstone, come standard with integral nailing fins, stepped exterior frames, and accessory grooves. The series is available in double-hung, single-hung, casement, awning, gliding, bow, bay, and specialty styles. Optional color-coordinated grilles and argon-filled low-E glass are available. 800-838-8372. www.vetterwindows.com.

Crestline

Crestline. Featuring all-vinyl construction, VinylCrest windows come standard with fusion-welded corners, extruded multi-chambered frames, and 3/4-inch insulated glass. The windows, available in white or almond, come in single-hung, double-hung, gliding, casement, awning, bow and angle bay, and specialty styles. Optional grilles also are available. 800-552-4111. www.crestlinewindows.com. Search ebuild's catalog for windows.