Everest III Wood Fireplace by Osburn

SKU: OB04016

Starting at $5,199.00

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Proudly Made in Canada 🇨🇦

The Everest III combines authentic warmth with proven performance, offering a heating solution designed for everyday comfort. Both versatile and efficient, this wood fireplace transforms your home into a welcoming retreat—perfect for braving even the coldest winter days.

Its cast iron retractable doors highlight its adaptability. With the doors closed, the Everest III optimizes combustion to deliver steady, efficient heat. With the doors open, and paired with the optional fire screen (AC01226), you can safely enjoy the ambiance and soothing crackle of the flames.

Built as a high-efficiency fireplace, the Everest III maximizes heat output while keeping emissions to a minimum, meeting the strictest environmental standards. Capable of heating up to 2,500 sq. ft., it is the perfect alternative heat source for your home.

Expertly crafted in Canada, this non-catalytic unit stands out for its durable construction and premium design. Available with a timeless black or brushed silver door finish, it blends seamlessly into any decor while adding a touch of refinement.

With the Everest III, experience the authentic comfort, efficiency, and charm of wood heating, all in a fireplace designed to maximize your well-being.

🔥 New Option – NightFlame Ceramic Glass
The ROBAX® NightFlame ceramic glass panels feature a sleek, modern design. When the fire is out, the glass conceals the interior for a clean look. When lit, it reveals a crystal-clear view of the flames.

General features

EPA loading volume-ft³2.61
Optimum heat transfer efficiency68%
Combustion technologyNon-catalytic
Fuel typeDry cordwood (16″ recommended)
Recommended heating area-ft²750 – 2,500
Overall firebox volume-ft³3.04
Maximum burn time8 h
Maximum heat output (dry cordwood)85,000 BTU/h (24.9 kW)
Overall heat output rate <25,900 BTU/h (7.6 kW)
Overall heat output rate (max.)78,200 BTU/h (22.9 kW)
Average overall efficiency (dry cordwood)65%
Optimum efficiency71.6%
Average particulate emissions rate1.9 g/h
Average CO1.7 g/min
High-efficiency certified applianceYes, EPA 2020 approved
Maximum log length20″
Log positioningLoading over width
Chimney diameter6″
Flue outlet diameter6″
Type of chimneyCAN/ULC S629, UL 103 HT (2100 °F)
Minimum chimney height (feet)15′
Baffle typeC-Cast or equivalent
Approved for a mobile home installationYes, only in Canada
Shipping Weight525 lb (238 kg)
Door typeDouble, glass with cast iron frame
Glass typeCeramic glass
Glass surface – dimensions (Width X Height)18 3/4″ X 11″
Glass air-wash systemYes
Premium quality blower included (CFM)176
Overall dimension (Height)49 1/8″
Overall dimension (Width)41 7/8″
Overall dimension (Depth)29″
Door opening – dimension (Height)9 5/8″
Door opening – dimension (Width)20 3/4″
Firebox – dimension (Height)16 7/8″
Firebox – dimension (Width)18 3/4″
Firebox – dimension (Depth)17″
Moulded refractory bricksYes
Stainless-steel secondary-air system improving gas combustionYes
USA standard (emissions)EPA
Canadian Standard (emissions)CSA B415.1-10
USA standard (safety)UL 127
Canadian standard (safety)ULC-S610
Tested and listed as per applicable standardsBy an accredited laboratory (CAN/USA)
WarrantyLimited lifetime

Approved chimney types

Manufacturiers*BrandTypeDiameter
American MetalHSSAC Triple Wall6″ (15 cm)
American MetalHSAC Triple Wall6″ (15 cm)
DuraVentDura Tech1″ Solid Pack6″ (15 cm)
DuraVentDura Tech Canada DTC1″ Solid Pack6″ (15 cm)
DuraVentDura Tech Premium2″ Solid Pack6″ (15 cm)
DuraVentDura Plus HTC2″ Solid Pack6″ (15 cm)
DuraVentDura PlusAC Triple Wall6″ (15 cm)
Metal FabTemp Guard1″ Solid Pack6″ (15 cm)
Olympia ChimneyChampion Chimney System1″ Solid Pack6″ (15 cm)
Olympia ChimneyRockford Chimney Systems1″ Solid Pack6″ (15 cm)
Olympia Chimney – SBI Division VentingVentis1″ Solid Pack6″ (15 cm)
SBI Division VentingNexvent1″ Solid Pack6″ (15 cm)
Security ChimneyASHT1″ Solid Pack6″ (15 cm)
Security ChimneyS-21002″ Solid Pack6″ (15 cm)
SelkirkUltimate Plus1″ Solid Pack6″ (15 cm)
SelkirkCF Sentinel (CF)2″ Solid Pack6″ (15 cm)
SelkirkSuper Pro 2100 (ALT)2″ Solid Pack6″ (15 cm)
SelkirkSuper Vent 2100 (JM)2″ Solid Pack6″ (15 cm)

* Specific components may be required depending on the chimney manufacturer.

Minimum clearances to combustibles*
(Data expressed in inches. 1 inch = 25.4 mm)
 CanadaUnited-States
Clearance – top (measured from the platform on which the appliance is installed)**80″80″
Clearance – combustible side mantle to unit8″8″
Clearance – combustible side wall to unit21″21″
Clearance – from the shelf to the base of the fireplace48″48″

* The information given on the certification label affixed to the appliance always overrides the information published in any other media (owner’s manual, catalogues, flyers, magazines and/or web sites).

** Some appliances have been tested with a low ceiling. Before setting up your unit, refer to the installation manual.

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Come and meet us

Rosemère

253 a Bd Curé-Labelle
Rosemère
QC J7A 2H3

Saint-Sauveur

175 Chem. Jean-Adam
Saint-Sauveur
QC J0R 1R6

Gatnineau

253 a Bd Curé-Labelle
Rosemère
QC J7A 2H3

Drummondville

253 a Bd Curé-Labelle
Rosemère
QC J7A 2H3