The 'Sun Tunnel' skylight is a tubular skylight that bends light to accommodate smaller rooms like closets, hallways and laundry rooms. In terms of energy efficiency, nothing's more sustainable than natural sunlight.
Implications - Velux explains that having skylights are a very important part of being energy efficient and environmentally friendly. Having lots of natural light inside your home also has health benefits both physically and emotionally. The featured images give you a good idea of how much light can come into your home through the Velux 'Sun Tunnel' skylights.