Home > Shop > Stoves & Fireplaces > Wood Stoves & Fireplaces > Wood Fireplaces > Everest III Wood Fireplace by Osburn
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.
| EPA loading volume-ft³ | 2.61 |
| Optimum heat transfer efficiency | 68% |
| Combustion technology | Non-catalytic |
| Fuel type | Dry cordwood (16″ recommended) |
| Recommended heating area-ft² | 750 – 2,500 |
| Overall firebox volume-ft³ | 3.04 |
| Maximum burn time | 8 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 efficiency | 71.6% |
| Average particulate emissions rate | 1.9 g/h |
| Average CO | 1.7 g/min |
| High-efficiency certified appliance | Yes, EPA 2020 approved |
| Maximum log length | 20″ |
| Log positioning | Loading over width |
| Chimney diameter | 6″ |
| Flue outlet diameter | 6″ |
| Type of chimney | CAN/ULC S629, UL 103 HT (2100 °F) |
| Minimum chimney height (feet) | 15′ |
| Baffle type | C-Cast or equivalent |
| Approved for a mobile home installation | Yes, only in Canada |
| Shipping Weight | 525 lb (238 kg) |
| Door type | Double, glass with cast iron frame |
| Glass type | Ceramic glass |
| Glass surface – dimensions (Width X Height) | 18 3/4″ X 11″ |
| Glass air-wash system | Yes |
| 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 bricks | Yes |
| Stainless-steel secondary-air system improving gas combustion | Yes |
| 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 standards | By an accredited laboratory (CAN/USA) |
| Warranty | Limited lifetime |
| Manufacturiers* | Brand | Type | Diameter |
|---|---|---|---|
| American Metal | HSS | AC Triple Wall | 6″ (15 cm) |
| American Metal | HS | AC Triple Wall | 6″ (15 cm) |
| DuraVent | Dura Tech | 1″ Solid Pack | 6″ (15 cm) |
| DuraVent | Dura Tech Canada DTC | 1″ Solid Pack | 6″ (15 cm) |
| DuraVent | Dura Tech Premium | 2″ Solid Pack | 6″ (15 cm) |
| DuraVent | Dura Plus HTC | 2″ Solid Pack | 6″ (15 cm) |
| DuraVent | Dura Plus | AC Triple Wall | 6″ (15 cm) |
| Metal Fab | Temp Guard | 1″ Solid Pack | 6″ (15 cm) |
| Olympia Chimney | Champion Chimney System | 1″ Solid Pack | 6″ (15 cm) |
| Olympia Chimney | Rockford Chimney Systems | 1″ Solid Pack | 6″ (15 cm) |
| Olympia Chimney – SBI Division Venting | Ventis | 1″ Solid Pack | 6″ (15 cm) |
| SBI Division Venting | Nexvent | 1″ Solid Pack | 6″ (15 cm) |
| Security Chimney | ASHT | 1″ Solid Pack | 6″ (15 cm) |
| Security Chimney | S-2100 | 2″ Solid Pack | 6″ (15 cm) |
| Selkirk | Ultimate Plus | 1″ Solid Pack | 6″ (15 cm) |
| Selkirk | CF Sentinel (CF) | 2″ Solid Pack | 6″ (15 cm) |
| Selkirk | Super Pro 2100 (ALT) | 2″ Solid Pack | 6″ (15 cm) |
| Selkirk | Super Vent 2100 (JM) | 2″ Solid Pack | 6″ (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) | ||
| Canada | United-States | |
| Clearance – top (measured from the platform on which the appliance is installed)** | 80″ | 80″ |
| Clearance – combustible side mantle to unit | 8″ | 8″ |
| Clearance – combustible side wall to unit | 21″ | 21″ |
| Clearance – from the shelf to the base of the fireplace | 48″ | 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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