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Bio-Ethanol Fireplaces – Pleasing Odorless & Ventless Fire

by Bill Ferris Leave a Comment

Close-up of bio-ethanol burning fireplace insert with tempered glass wind guard and stainless steel firebox

Table of Contents

  • Bio-ethanol fireplace inserts
    • Ventless fireplace inserts for indoor or outdoor use
    • Zero clearance means construction freedom
    • Pleasing flames but less heat
    • Bio-ethanol is a heat-efficient eco-friendly fuel
    • Look for certified ethanol fireplaces
  • When bio-ethanol is best
  • Additional firebox fuel options

Bio-ethanol fireplace inserts

The third fuel in our guide is bio-ethanol. Eco-friendly bioethanol fireplace inserts burn liquid ethanol, a clean-burning fuel source that doesn’t generate fumes or smoke. This self-contained fireplace is becoming increasingly popular due to its convenience and efficiency. Ethanol fireplaces are easy to install and don’t require a chimney, venting system or utility connection lines. They’re also relatively inexpensive to operate. Liquid ethanol is more affordable than propane (up to 35% cheaper) without the huge upfront installation cost of natural gas.

Ventless fireplace inserts for indoor or outdoor use

Bioethanol doesn’t produce toxic fumes or smoke that need to be vented. These self-contained fireplaces can be installed inside and outside your home. Ethanol fuels like e-NRG have low odor, so you don’t have the strong smell that comes with many gas models. Add-on bio-ethanol fireplaces are smokeless. This gives you unlimited freedom to install them wherever you want on your porch or deck regardless of wind patterns. This makes them a smart alternative to wood-burning inserts in windy environments.

End of a concrete wall with peninsula style bio-ethanol burning fireplace insert with grey decorative media surrounding the burner

Zero clearance means construction freedom

Bio-ethanol fireplace inserts are an ideal solution when there’s no flue or chimney. They’re perfect for homes where neither gas nor wood fireplace inserts can be accommodated. Without gas lines or electrical wiring, bio-ethanol fireplace inserts are simple to install in a wall like a new window. Many models are designed with zero clearance requirements, which gives builders and architects greater flexibility. Flush-mount, peninsula, island, double-sided and other configurations add to the flexibility of some commercial-grade bio-ethanol fireplace inserts. Add decorative black glass charcoal or stones around burners for a stylish final touch.

Pleasing flames but less heat

While bioethanol has many benefits versus alternative fuels, it generates less heat when burned. Bio-ethanol fireplace inserts produce an attractive orange flame that burns at a lower temperature than wood or gas. They provide warmth on a chilly evening but don’t radiate the heat of a roaring wood bonfire or gas-fueled fireplace. Aesthetic qualities and easy installation are bigger selling points for bio-ethanol fireplace inserts than the temperature of their flames [2010 Storesund, Mai & Sesseng].

Helpful Article

Read our article Fire Pit Fuel Types – Pros & Cons for more information on wood and other fuel types for fireplace inserts.

Bio-ethanol is a heat-efficient eco-friendly fuel

Other fuels generate harmful emissions and smoke when burned but bio-ethanol releases only heat, steam and relatively low CO2. No heat is lost up a chimney, flue or other ventilation system, increasing the efficiency of this green fuel. Despite generating less heat overall than vented alternatives, bio-ethanol fireplace inserts can keep more heat in the room. Bioethanol is a renewable fuel by-product of several easily replenished plant sources. This makes it a much more sustainable energy source than fossil fuels.

Look for certified ethanol fireplaces

If you’re considering a bio-ethanol fireplace insert for your home, choose only EPA or ISO-certified models. This ensures that your unit will burn with less pollution than uncertified models. Additionally, ethanol burners should be UL-listed to guarantee they have undergone rigorous testing by Underwriters Laboratories. This organization ensures products meet the highest standards for sustainability and safety.

Fireplace Insert Buying Guide - Bio-Ethanol

When bio-ethanol is best

Inserted bio-ethanol fireplaces are ideal for creating a mesmerizing ambiance and don’t need the heat of a raging bonfire. You get the glow of controllable dancing flames without odors, fumes or smoke. They can be installed indoors or outdoors and you don’t have any mess with these eco-friendly, clean-burning fireboxes.

They aren’t as enticing when the weather turns frigid and bio-ethanol fuel can be expensive compared to other options.

Additional firebox fuel options

Bio-ethanol is an underrated fuel for fireplace inserts due to its heat efficiency and absence of fumes or smoke. Another fuel option that is growing in popularity is pellets. Check out the next section of our guide to read up on this efficient fuel source.

Guide Sections

Fireplace Insert Buying Guide

Fireplace Insert Buying Guide

Iron wood-burning fireplace insert set in brick wall near firewood and fire tools

Wood Burning Fireplace Inserts – Cost-Saving But High Maintenance

Close-up of blue gas flame and decorative black glass charcoal

Gas Fireplace Inserts – Energy-Efficient Natural Gas Heating

Close-up of compressed wood pellets with a metal scoop on a wooden table

Pellet Fireplace Inserts – Modern Eco-Friendly Convection Heating

Wide black frames electric fireplace insert with clear decorative glass media on white wall

Electric Fireplaces – Energy-Efficient & Easy to Use Heaters

Black iron fireplace inset being installed in red brick wall with tools and a mobile phone sitting on the hearth

Fireplace Insert Installation – Finding the Right Size & Safety


References

  • Storesund, K., Mai, T. T., & Sesseng, C. (2010). Ethanol-fuelled, flue-less fireplaces-An evaluation.

Filed Under: Fireplaces, Guide - Fireplace Inserts, Outdoor Fireplaces

Avatar for Bill Ferris

About Bill Ferris

Bill Ferris is the president of Decor Outdoor and founded the company in 2007. He's been quoted on patio furniture by Living Cozy and on home improvement by Realtor.com. When not writing posts for the website, he's a frequent guest contributor on the subject of online marketing and an interior design enthusiast.

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Guide Sections

  • Fireplace Insert Buying Guide
  • Wood Burning Fireplace Inserts – Cost-Saving But High Maintenance
  • Gas Fireplace Inserts – Energy-Efficient Natural Gas Heating
  • Pellet Fireplace Inserts – Modern Eco-Friendly Convection Heating
  • Electric Fireplaces – Energy-Efficient & Easy to Use Heaters
  • Fireplace Insert Installation – Finding the Right Size & Safety

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