Cellular Shades & Honeycomb Shades Cellular shades are a versatile, energy-efficient, and effortlessly stylish window treatment option. Built to help block light and save energy better than any other window shade, cellular shades give you good control over your home. Beat the heat, the cold, and a boring interior with cellular shades from Sunburst. Take a look at why cellular shades are popular for homeowners and designers across the country.