Single Sided Fireplaces

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Single Sided Fireplaces

Create a striking addition to any feature wall

EcoSmart’s Flex Single Sided Firebox creates a striking addition to a feature wall, be it in a residential dining room, outdoor living area, or intimate commercial space.

12 opening sizes to fit any wall

Transform any room with a range of Flex sizes to choose from. Elevate your space with the perfect ambience, no matter how big or small.

Industry exclusive decorative box

Optional or included box configurations for select firebox lengths. Fill with any non-combustible accessory or choose our optional eye-catching log set available in copper finish.

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True zero clearance

Self-contained, zero clearance construction provides unlimited installation freedom and flexibility for builders, architects, interior designers, landscapers and homeowners.

Quick and easy installation

With no need for ventilation or utility connections, integrating a fire feature has never been simpler. Flex installs fast and is ready for the finishing touches in less than an hour.

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Included accessories

Each Flex comes with decorative Black Glass Charcoal and integrated fire screen which sits flush behind the frame.

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Unmatched heat efficiency

Unlike gas fireplaces that lose 30% of heat through vents, Flex’s closed combustion system keeps every BTU in your room. Warmth stays where it belongs—no energy wasted, no chimneys needed.

Indoor or outdoor application

Powered by clean-burning e-NRG ethanol fuel, Flex is suitable for indoor or outdoor installation. Ethanol is a sustainable fuel choice made by fermenting plants like sugarcane or corn.

Configuration	All Flame
Viewing area	14.9x19.8 in
Minimum Room Size	1,413 ft³

Configuration	All Flame
Viewing area	19.8x31.9 in
Minimum Room Size	2,825 ft³

Configuration	All Flame
Viewing area	19.8x41.9 in
Minimum Room Size	3,178 ft³

Configuration	All Flame All Flame Box Left Box Right
Viewing area	19.8x50 in
Minimum Room Size	3,885 ft³

Configuration	Box Left Box Left Box Right
Viewing area	19.8x60 in
Minimum Room Size	3,178 ft³

Single Sided Fireplaces

Create a striking addition to any feature wall

Models

Flex 18SS Single Sided Fireplace Insert

Flex 32SS Single Sided Fireplace Insert

Flex 42SS Single Sided Fireplace Insert

Flex 50SS Single Sided Fireplace Insert

Flex 60SS Single Sided Fireplace Insert

Flex 68SS Single Sided Fireplace Insert

Flex 78SS Single Sided Fireplace Insert

Flex 86SS Single Sided Fireplace Insert

Flex 104SS Single Sided Fireplace Insert

Flex 122SS Single Sided Fireplace Insert

Flex 140SS Single Sided Fireplace Insert

Flex 158SS Single Sided Fireplace Insert