Valor’s radiant-heat advantage makes its way outdoors with the L1 Outdoor series. The sleek, linear design is optimal for outdoor living—and what better outdoor fireplace than a Valor radiant gas fireplace? Open-fronted fireplaces can’t match the radiant performance of a well-engineered direct-vent fireplace with a glass window. Excess air through an open-fronted unit washes out heating performance, causing radiant output to plunge.