Duluth Forge 18 Inch 30,000 BTU Ventless Dual Fuel Liquid Propane or Natural Gas Fireplace Log Set with Thermostat, Split Red Oak

Ventless 18-inch gas log set features 30,000 BTUs, heating up to 1,100 square feet for a warm, cozy home any time of year; Heats the air and circulates the warmth through the room, much like your central heating system Hand-painted logs cast in concrete from real wood for amazing detail and a high-end look; Uses superior refractory ceramics to ensure a long lifespan; U-Burner chassis design provides 2 rows of flames to create a realistic fire; Chassis is solid and powder-coated for lasting durability Operates off of liquid propane or natural gas with user-friendly Piezo ignition for easy startup; Thermostat control (5 settings) lets you customize the heat in your room for optimal convenience Oxygen Depletion Sensor (O.D.S.) automatically shuts off the unit if carbon monoxide or lack of oxygen is detected to keep you and your family safe; Economical design offers 99.9 percent efficiency; No outside duct or chimney needed Fireplace accessory suitable for indoor use only; Must be installed in a masonry or agency-approved firebox; Some assembly required