Vinylmax A4 Series Double-Hung Vinyl Window

It is a residential window designed to let light in while keeping the elements out. Because it is a "double-hung" window, both the top and bottom glass panels (sashes) slide up and down independently, and they tilt inward for incredibly easy cleaning from inside the house.

Dimensions: 28" Width × 28" Height

• Glass Package: Double-glazed (two panes) filled with Argon gas and treated with a Low-E coating for solar control.

• Energy Ratings (From the NFRC Sticker):

  • U-Factor: 0.28 (Excellent heat retention; keeps winter heat inside).

  • Solar Heat Gain Coefficient (SHGC): 0.35 (Blocks roughly 65% of the sun's scorching radiant heat).

  • Climate Zone: Formally certified for Energy Star efficiency in the Northern and North-Central United States.