Sunmaster is a full-service window and home improvement solutions company based in Napa, serving the town and surrounding areas. The company offers a wide range of services for residential, commercial and automotive windows, and also provides a full range of window covering work. Some products and services provided include anti-graffiti windows, decorative coverings, and replacement work, which can help decrease heat loss issues. Some products offered include a wide range of window coverings, such as blinds, shades, and shutters. The company also works with automobiles and provides numerous coverings including scratch resistant, glare reducing and heat rejecting materials.