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84" Firebox DS - Built-in See-Though Ethanol Fireplace - Front view of the fireplace on a white background

84" Firebox DS - Built-in See-Through Ethanol Fireplace

by The Bio Flame
SKU FB-DS-84-60M-Silver-Spacer
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$9,695.00
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84" Firebox DS Built-in See-Through

  • See-Through Panoramic Design: The dual-sided viewing window creates a dramatic focal point that fills both sides of a room with warm, flickering flames — perfect for open-concept spaces and room dividers.
  • Powerful 43,000 BTU Output: A 60-inch bioethanol burner delivers serious heat, warming up to 1,640 square feet so you can rely on this fireplace as a real heating solution, not just a decorative accent.
  • Ventless, No-Hassle Installation: With no chimney, gas line, flue, or electrical connection required, this firebox can be installed virtually anywhere — saving you thousands in installation costs.
  • Patented Heat Isolation Chamber: A built-in heat isolation chamber prevents heat transfer to surrounding materials, giving you peace of mind that your walls, cabinetry, and framing stay protected.
  • Premium 304 Stainless Steel Build: Double-walled, fully insulated 304-grade stainless steel construction paired with 8mm tempered glass means this fireplace is built to last and safe to operate for years to come.
  • Certified to Highest Safety Standards: CE-approved and EN 16647 certified through third-party testing, and backed by a 5-year manufacturer warranty, this firebox meets rigorous international safety benchmarks.
84" Firebox DS - Built-in See-Through Ethanol Fireplace
Specifications
Flame & Controls
  • Burner Size: 60 inches
  • Fuel Type: Bio-ethanol
  • Heat Output: 43,000 BTU
  • Heating Coverage: Up to 1,640 sq ft
  • Flame Type: Real open flame, bio-ethanol powered
  • Operation: Ventless, no gas or electricity required
General
  • Dimensions: 84" W x 26.5" H x 15" D
  • Dimensions (mm): 2133.6mm W x 672mm H x 381mm D
  • Material: 304 stainless steel, double-walled, insulated
  • Internal Frame: Brushed stainless steel
  • Glass: 8mm tempered glass

84" See-Through Ethanol Fireplace – Modern Elegance

The Bio Flame 84-Inch Firebox DS is a premium built-in see-through ethanol fireplace designed to elevate any space with its sleek, modern design and powerful performance.

Featuring a 60-inch burner, it delivers an impressive 43,000 BTU of heat, efficiently warming areas up to 1,640 square feet.

Constructed from high-quality 304 stainless steel with a fully insulated, double-walled design and a brushed stainless steel internal frame, this firebox ensures both durability and safety.

The 8mm tempered glass enhances the viewing experience while adding an extra layer of protection.

Certified to the highest safety standards, including CE approval and EN 16647 certification, this fireplace is third-party tested to guarantee reliability.

Backed by a five-year warranty, it offers a clean-burning, ventless heating solution with no need for gas lines, electricity, or chimneys.

84" See-Through Ethanol Firebox Features

    • Versatile Installation – Easily converts traditional wood, gas, or electric fireplaces into a sleek, modern ethanol fireplace.
    • Single or Double-Sided Design – Available in both configurations, providing flexibility for open-concept spaces or room dividers.
    • Ventless & Eco-Friendly – Burns clean bioethanol fuel, eliminating the need for chimneys, gas lines, electricity, or flues.
    • Patented Heat Isolation Chamber – Ensures maximum safety by preventing heat transfer to surrounding materials.
    • Premium Stainless Steel Construction – Built entirely from high-quality 304-grade stainless steel for superior durability and longevity.
    • Customizable Finishes & Sizes – Tailor the fireplace to match your unique aesthetic and space requirements.
    • Industry-Leading Warranty – Backed by a 5-year manufacturer’s warranty for peace of mind
    • Dimensions: H 26.5” (672mm) W 84.0” (2133.6mm) D 15.0” (381mm)
    Installation
    • Built-In, Ventless Installation
    Downloads & Resources

    Every order ships free to any address in the contiguous United States — no minimums, no fine print.

    Due to its size, your 84" Firebox DS - Built-in See-Through Ethanol Fireplace ships via LTL freight carrier on a pallet. The carrier will call 24–48 hours ahead to schedule your delivery window.

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    Full manufacturer warranty honored on every purchase. Direct relationship with The Bio Flame — not a grey-market reseller.
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    Frequently Asked Questions

    • No, the 84" Firebox DS is completely vent-free and requires no chimneys, gas lines, venting, electricity, or flues. Because it is entirely self-contained, most buyers can complete setup in approximately 30 minutes without professional help or permanent modifications to their home.

    • The heating output depends on which burner you select: the 60" burner delivers 43,000 BTUs and can heat up to 1,640 sq. ft., while the 72" burner delivers 47,400 BTUs and covers up to 1,819 sq. ft. Both burner options produce natural-looking 12" flames as a visual centerpiece alongside the functional warmth.

    • The "DS" stands for double-sided — the fireplace features a see-through design with viewable flames from both sides simultaneously. It is specifically designed for dividing walls or openings between two rooms, and is equally well-suited for residential spaces like apartments and houses, as well as commercial settings like bars, restaurants, and offices.

    • The 84" Firebox DS includes dual 8mm tempered glass panes, full insulation, and a patented heat isolation chamber to protect surrounding structures. The clean-burning bioethanol fuel produces no harmful smoke, soot, or dangerous emissions, making it safe for indoor use, and Bio Flame is noted as the only fireplace company in North America with UL/ULC-certified products.

    • The Bio Flame 84" Firebox DS is backed by an industry-leading 5-year parts and labor warranty, which begins on the date of purchase. Coverage is limited to factory service repair of defective parts, and items deemed unrepairable will be replaced with the same or a similar model; however, installation costs are not reimbursed under any circumstance.