With its outsize proportions, its contemporary burner, and its programmable lighting system concealed beneath an ocean of crushed glass, a Boulevard Large Linear Vent-Free Fireplace makes a bold statement that’s sure to turn heads in any setting. Choose the Boulevard 60 or Boulevard 72 – as in a true five foot or six foot fireplace opening. Both systems are available in LP (38,500 Btu) and Natural Gas (40,000 Btu).