Indoor lighting is one of the most important features of a home, right after walls and the ability to identify and bite intruders. Protect your house with luminescence with today's Groupon: for $20, you get $50 worth of lighting and accessories at Lightstyle of Orlando.

Lightstyle of Orlando's trained staff of illuminators maintains a 15,000-square-foot showroom of lighting solutions and home décor housed in the historic Johnson Electrical building. Fashionably brighten hallways with a frosted-glass lantern complete with artistic silver framing ($46.62), or add a soft glow to home offices with a crinkle-shade floor lamp, which provides essential light and preserves artistic flair ($90). Lightstyle of Orlando also carries a plethora of outdoor lighting, ceiling fans, and home décor, including decorative vases (starting at $70.11) and intricately designed clocks (starting at $70.40). The eclectic spread of lamp shades offers up a solution to clothing lamps prone to spontaneous, nude light-bulb flashing (starting at $19.50).

With an ever-changing environment of effulgence, patrons can peruse the showroom for brightness-inducing pieces or consult with a friendly staff member for expert design advice. The radiant retailer also lends a light with community restoration projects, charity benefits, and shadow-puppet vignettes depicting Benjamin Franklin's discovery of static electricity but failed attempt at impressing the ladies.