The Vail 32 and 36 Premium Vent-Free Fireplaces feature the choice of a hand-painted ceramic ?ber or rugged refractory Sassafras log set to complement the ?ames from the Slope Glaze Burner. At 99.9 percent ef?cient, the Vent-Free Slope Glaze Burner delivers more heat for your energy dollars 32,000 Btu for the Vail 32 and 36,000 Btu for the Vail 36. Ceramic glazed pellets in the burner tumble and swirl the gas to produce a natural ?ickering ?ame. The matte black arched screen front perfectly frames the interior ?rebox to create an exceptionally beautiful ?replace. Complete your Vail Fireplace with an optional stacked stone or brick style liner. Hem-bent seams provide a better seal while eliminating dozens of screws and fasteners. The result is a lighter, more rigid box that is easier to install.Zero-Clearance Certi?ed Integrated Oxygen Depletion Sensor Thermostat and Remote Control Models IP operated systemBTU: 32,000 Depth: 17-3 8 Fuel Types: Liquid Propane, Natural Gas Gas Inlet: 3 8 Height without standoff: 32-3 4 Width: 34