Ethanol Fireplaces Ethanol fireplaces do not require chimneys, flues or gas lines, making them ideal for installation in apartments and condos. These vent-free fireplaces come in freestanding, wall mounted and tabletop models. They also don't produce smoke or ash, and require minimal maintenance. Find out more about ethanol fireplaces. 1. https://fireplaces-and-stoves-uk44442.blog-kids.com/30210429/how-to-get-better-results-from-your-bio-ethanol-fireplace