Napoleon. Offering a designer look without the price tag, the LHD50 Linear Direct Vent Gas Fireplace features the Crystaline glass ember bed with optional use of river rocks or colored glass. Available in a one-sided or see-through model, the linear burner can emit up to 25,000 BTU, and features an adjustable flame and heat control. Optional features include prism-shaped Porcelain Reflective Radiant panels, Crystalites accent lights beneath the ember bed, and contemporary designer surrounds. 800.461.5581. www.napoleonfireplaces.com.