The Element 4 Sky Small Tunnel Bio is a contemporary tunnel-style built-in bioethanol fireplace designed to be enjoyed from two opposing sides. Its clean, see-through format makes it ideal for dividing rooms or connecting adjoining spaces while maintaining a strong visual link and modern architectural appeal.

Powered by a high-performance bioethanol double burner, the Sky Small Tunnel Bio delivers an adjustable heat output of 5–7 kW with 100% efficiency. The clean-burning bioethanol fuel produces real flames without smoke, soot, or ash, removing the need for a chimney or flue and offering complete flexibility in installation.
Supplied with a remote control as standard, the Sky Small Tunnel Bio can be tailored with a wide range of optional accessories. Anti-reflective glass, black reflective rear panels, LED bottom lighting, convection grills, an access door, and the Invisimesh safety screen allow the fireplace to be customised to suit both aesthetic and functional requirements. Technical drawings and installation manuals are available to support seamless planning.
Features & Benefits
- Tunnel-style see-through fireplace
- Bioethanol double burner
- 5–7 kW heat output
- 100% efficient clean burning
- Black steel finish as standard
- Real flames without chimney
- Remote control included
- Optional safety and lighting upgrades
Specification:
| Type of fireplace: | Bio-Ethanol fires |
|---|---|
| Net natural Bio Ethanol capacity (min-max): | 5-7 kW |
| Efficiency: | 100% |
| Black steel: | (Standard) |
| Black reflective panels: | (Optional) |
| Remote control: | (standard) |
| Anti-reflective glass: | (optional) |
| Access door: | (optional) |
| Convection grills built-in and surface-mounted: | (optional) |
| LED bottom lighting: | (optional) |
| Safety screen Invisimesh: | (optional) |


















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