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EcoSmart Fire Flex 18SS Single Sided Fireplace Insert

Sold out
Original price $2,195.00 - Original price $2,345.00
Original price
$2,195.00 - $2,345.00
Current price $2,195.00
Out of stock
Out of stock

The EcoSmart Fire Flex 18SS Single-Sided Fireplace Insert is the perfect addition to your home for those seeking both style and sustainability. With its minimalist stainless steel construction, the Flex 18SS seamlessly integrates into any contemporary interior, creating a focal point that exudes elegance and sophistication. The entire viewing area is dedicated to the eye-catching flame. At just 22.8 inches wide, it's a great fit for small spaces or alongside a handful of other 18SS inserts. 

The EcoSmart Fire Flex 18SS Single-Sided Fireplace Insert is powered by clean-burning bioethanol fuel, producing a captivating flame without the need for gas, electricity, or a chimney. This means no harmful emissions, no ash, and no complicated installation. The innovative Flex burner system allows for effortless customization, allowing you to create a personalized fire feature by choosing from a variety of decorative accessories and configurations. 

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Product Details and Specifications

ApplicationIndoor & Outdoor
Weight56.66lb [25.70kg]
Model Dimensions

W 22.8in [578mm]

D 14.4in [365mm]

H 31.8in [807mm]

Viewing Area

W 14.9in [378mm]

D 13.4in [340mm]

H 19.8in [502mm]


Mild Steel (Zinc Sealed) Hi-temp Powder-coat,

Toughened Glass, Grade 304 Stainless Steel

Burner, with optional Black Ceramic Coating

Model ColorBlack
Included burnerAB3
Burner Color OptionsStainless Steel
Fuel Typee-NRG Bioethanol /
Burner Capacity0.7 Gal [2.5 L]
Heats on Average215ft2 [20m2]
Minimum Room1413ft3 [40m3]
Burn Time8 - 11h
Thermal Output6.1 MJ/h - 5800 BTU/h - 1.7 kW
Shipping Weight68.34lb [31kg]
Packaging Dimensions

L 26.2in [666mm]

W 21.3in [540mm]

H 37in [940mm]


2020 BIMsmith Best Award (USA)

2018 Attendees Choice Award (USA)


Fire lighter

Lighting rod

Jerry can 1.25 gal

Bottle adaptor

XL Baffles

Black Glass Charcoal

O-TL Listed in accordance with UL 1370.

Our fireboxes are manufactured to the highest standards and in accordance with ISO 9001:2008.

* These values are indicative only and may vary depending on the model purchased, installation environment, and the composition of the e-NRG bioethanol sourced in each country.


Carbon-neutral shipping with Shopify Planet
Carbon-neutral shipping on all orders
shipping emissions removed
That's like...
miles driven by an average gasoline-powered car
We fund innovations in...
Direct Air Capture
Bio Oil

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