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EcoSmart Fire Flex Double Sided Ethanol Firebox


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A 2-Sided Fireplace That Adds Luxurious Ambiance to Two Rooms at Once

Do you want to create a modern and luxurious atmosphere in your home, but don't know where to start?

Expensive renovations and redecoration can be tedious and pricey. You also have to worry about indoor air pollution every time you light a traditional log fire.

With the EcoSmart Fire Flex Double-Sided Ethanol Firebox, you can enjoy its soothing ambiance in two rooms in moments. Create the inviting atmosphere you’ve been dreaming of without suffering from any unpleasant odors. What's more, you can install it indoors or outdoors. Enjoy the versatility this ethanol fireplace offers that electric or gas fireplaces can't.

You won't need costly renovations to enjoy its beautiful, flickering flames. This ethanol firebox runs on liquid bioethanol fuel, eliminating the need for a gas line or electricity. Moreover, without the need for chimneys or vents, you can install it anywhere. So, sit back, pour some fuel, light it up, and relish the gorgeous display of warm, real flames.

Available in 9 sizes from 15" to 159" viewing areas, it's best to install this firebox between two interior rooms or a dividing wall to get the most out of its 2 sided look.

Indulge in the soothing warmth and unparalleled ambiance of a real flame fireplace. Get the best deal here with our free shipping offer. Shop now!

This firebox is also available in other configurations: EcoSmart Fire Flex Collection

What's Included: Ethanol Firebox, Fire Lighter, Lighting Rod, Jerry Can (1.25 Gal), Bottle Adaptor, Black Glass Charcoal, and User's Manual

EcoSmart Fire Flex Ethanol Firebox Video:


  • Built-in See-Through Ethanol Firebox for Indoor or Outdoor Multi-room Installation
  • Ventless - all the fuel is housed within Flex’s self-contained burner so you don’t have to run a gas line or electric wires through your walls. And because e-NRG Bioethanol is clean-burning, you don’t need a flue or a chimney
  • Virtually no maintenance is required
  • Quick and Easy Assembly - requiring virtually no assembly, Flex Fireboxes are designed to be placed into the desired location, safely secured into position, and operated immediately.
  • Zero Clearance - self-contained, zero clearance construction allows your Flex fireplace to be framed into wood or metal studs, providing installation freedom and flexibility for builders.
  • Luxurious Finish - timeless black finish firebox with high-quality 304 stainless steel burner and black glass charcoal.
  • Rust Proof - zinc sealed steel construction powder coated with super hi-temp black paint prevents rusting so all fireplaces can be used both indoors or outdoors
  • Seamless Construction - ensures no leaks or corrosion on the seams
  • Sliding Door Shut-off Mechanism - quickly and safely extinguish the fire and regulate flame height and fuel consumption
  • Adjustable Flame - allows you to control the flame intensity and heat output
  • Safe Filling - safer than most other ethanol fireplaces
  • 2 Glass Windscreens Included for safety and wind protection
  • UL Listed - thoroughly tested to meet safety standards in the USA
  • ISO Certified
  • ICC Certified
  • 2-Year Manufacturer's Warranty
  • Uses Clean-burning Bioethanol Fuel (Purchase separately)

This firebox is also available in other configurations: EcoSmart Fire Flex Collection


15" 0.7 Gallons 8-11 hrs 5,800 215 sq.ft 19.8" L x 14.9" W x 13.4" D 58.42 lbs
32" 1.3 Gallons 10-13 hrs 11,430 431 sq.ft 19.8" L x 31.9" W x 13.4" D 103 lbs
42" 1.8 Gallons 9-12 hrs 13,650 538 sq.ft 19.8" L x 41.9" W x 13.4" D 135 lbs
50" 2.4 Gallons 8-13 hrs 15,000 646 sq.ft 9.8" L x 50" W x 13.4" D 156 lbs
68" 2.6 Gallons 9-14 hrs 15,290 700 sq.ft 19.8" L x 68.1" W x 13.4" D 211 lbs
86" 4.8 Gallons 8-13 hrs 30,000 1,292 sq.ft 19.8" L x 86.2" W x 13.4" D 226 lbs
104" 5.3 Gallons 9-14 hrs 30,580 1,399 sq.ft 19.8 " L x 104" W x 13.4" D 313 lbs
122" 7.1 Gallons 8-13 hrs 45,000 1,938 sq.ft 19.8" L x 122" W x 13.4" D 321 lbs
159" 7.9 Gallons 9-14 hrs 45,870 2,099 sq.ft 19.8" L x 159" W x 13.4" D 500 lbs

What's in the Box:

  • Ethanol Fireplace - 1 pc.
  • Fire Lighter - 1 pc.
  • Lighting Rod - 1 pc.
  • Jerry Can (1.25 Gal) - 1 pc.
  • Bottle Adaptor - 1 pc.
  • Black Glass Charcoal - 1 pc.
  • User's Manual - 1 pc.


WARNING: The use of this product and byproducts of the combustion of fuel, such as propane, natural gas, and/or ethanol can expose you to chemicals including formaldehyde, which are known to the State of California to cause cancer, and including acetaldehyde, which are known to the State of California to cause birth defects or other reproductive harm. For more information go to

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We offer market-leading 30-Day Free Returns! Read more about our Returns Policy here.

EcoSmart Fire offers a full 2-year warranty from date of purchase on stainless steel parts including raw, linished and powder coated.

Mild steel including powder coated and chrome plated, concrete composite, glass, leather, fabric and MDF (painted or cement rendered) are covered for 1 year from the date of purchase.

Chips and scratches are not covered by warranty. Natural variation in color, texture and porosity may occur with Concrete Composite products and are considered inherent and valued qualities of the material. Non-structural hairline cracks are possible and shall not be considered a manufacturing defect.

What if I have modified the product?

If the product has been modified or altered in any way, it will not be covered under warranty unless the modifications were approved in writing by EcoSmart Inc or The Fire Company Pty Ltd. However, EcoSmart Fire is happy to provide assistance with any issues you are experiencing.

How do I submit a warranty claim?

You will need to provide proof of purchase along with a description and images of the issue. Once you’ve gathered this information, please email all details to Your claim will be reviewed within 7 days and you will be contacted with a decision and the next steps, if applicable.

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