Benefits of a Bio Ethanol Fireplace If you're looking for a fireplace that provides real flame and heat, but does not require a chimney or flue, you should consider a bio ethanol fireplace. It's safe to use as long as you follow some basic guidelines. Use only e-NRG liquid ethanol https://fireplaces19753.shotblogs.com/electric-fireplace-wall-it-s-not-as-hard-as-you-think-44088701