Ignis Lisbon Freestanding Ventless Ethanol Fireplace UL Listed/UL Approved Fireplace UL/CUL Listed and Approved Fireplace Ventless - no chimney, no gas or electric lines required Freestanding - can be placed anywhere in your home (indoors & outdoors). Capacity: 1.3 Liter. Approximate burn time - 4 hours per refill. Easy or no maintenance required.