Ethanol Fireplaces Ethanol fireplaces do not require chimneys, flues, or gas lines, making them ideal for installation in apartments and condos. Vent-free fireplaces are available in tabletop, wall mounted or freestanding models. They also create no smoke or ash, and require minimal maintenance. Find out more about ethanol fireplaces. 1. https://fireplacesandstovesuk80011.verybigblog.com/29732793/15-terms-that-everyone-involved-in-bio-ethanol-fireplace-industry-should-know