For almost two decades, our business has helped a wide range of clients in San Jose, San Francisco, and Sacramento, CA bring the benefits of natural light and fresh air into their home or business. With a reputation for quality, innovation, trouble-free installation and dedicated service, D.R. Troutner & Associates is a VELUX Skylight Specialist. From residential to commercial applications, D.R. Troutner & Associates proudly carries the full line of energy-efficient, architectural grade VELUX daylighting solutions - including skylights, SUN TUNNEL skylights and accessories. We only use VELUX products - they are the best!