Eureka Gemini Double Sided

The Eureka Gemini Freestanding double sided wood heater has been developed to fill the demand for a rugged, efficient and powerful double fronted wood heater. The Gemini has been designed from a combination of the Duet and Opal Freestanding wood heater models.

Capacity: 280m2
Log Length: 710mm
Flue Size: 150mm
Efficiency: 64%*
Emissions: 2.4g/kg
Output: 16kW

(Eureka Heater Range)


  • Two one-piece flat glass doors.
  • Strong 5mm thick firebox.
  • 8mm Baffle Plate.
  • Two quality three-speed fans designed for greater air movement.
  • Pre-heated primary air
  • Firebrick lined on both sides to retain heat
  • Complies to Standards AS/NZS 2918.2001, AS/NZS 4012/4013.

Dimensions – Freestanding Dimensions

Capacity: Up to 280m2
Height: 700mm
Width: 680mm
Depth: 820mm
Weight: 218kg
Flue Size: 150mm

Dimensions – Through Combustible Wall

Height: 700mm
Width: 680mm
Wall Thickness: 100mm – 110mm

Dimensions – Through Masonary Wall Double Sided Fireplace

Height: 920mm
Width: 696mm
Wall Thickness: 468mm – 748mm

Gemini Freestanding – Clearances and Hearths

Minimum Hearth Size: Width: 900mm – Depth: 1750mm – Thickness: 6mm
(500mm in front of woodheater base)
Side Wall: 275mm
Hearth Type: Full – No Air Gap

Gemini Through Wall – Clearances and Hearths

Minimum Heath Size: Width: 969mm – Depth: 1750mm – Thickness: 6mm
(500mm in front of woodheater base)
Hearth Type: Full – No Air Gap

*Peak efficiency % quoted

Gemini Through Wall or thru Wall

The Gemini “through wall” dual room heater has been designed to be installed into a combustible (plaster) interior wall (100mm to 110mm thickness).

In one room you have a freestanding heater and in the other room you have an insert.