OsburnSKU: OB04010-Bundle


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Beyond the Size! This wood fireplace offers peace of mind due to the combination of energy efficiency and clean heating.

Full description
1,000 - 2,800 ft²
11 h
1.6 g/h
Full specifications
Customize your productSubtotal: 0

Beyond the Size!
This wood fireplace offers peace of mind due to the combination of energy efficiency and clean heating. A simple solution; its clean design suits any type of decor.

Large fireplace. Behind its large glass door, the 4.28 cubic foot combustion chamber can hold an impressive 60 lbs of wood.

Low emissions. This energy efficient fireplace complies with the EPA’s clean-air standards (only 1.6 g/hr of emissions) in particular through the intelligent air control mechanism is a patented design that optimizes combustion quality.

High efficiency. The Horizon fireplace is capable of heating large spaces and burns for 11 hours.

Any installation must be done according to the data and drawings detailed in the owner’s manual.


General features

Baffle type
C-Cast or equivalent
Recommended chimney diameter
Flue outlet diameter
Firebox size (Height)
Firebox size (Width)
25 3/8"
Firebox size (Depth)
17 7/8"
Overall dimension (Height)
43 3/8"
Overall dimension (Width)
50 3/4"
Overall dimension (Depth)
31 3/4"
Door opening size (Height)
12 3/4"
Door opening size (Width)
High-efficiency certified appliance
Yes, EPA 2020 approved
Limited lifetime
Minimum chimney height
Maximum log length
Mobile home approved
Canadian Standard (emissions)
CSA B415.1-10
USA Standard (emissions)
EPA / ASTM WK47329
Canadian Standard (safety)
USA Standard (safety)
UL 127
Moulded refractory panels
Shipping weight
560 lb (254 kg)
Log positioning
Loading over width
Glass surface - W x H
29 3/4" x 13 1/2"
Stainless-steel secondary-air system
Combustion technology
Certified according to applicable standards
By an accredited laboratory (CAN/USA)
Type of chimney
CAN/ULC S629, UL 103 HT (2100 °F)
Door type
Double glass with cast iron frame
Premium quality blower included (CFM)
176 CFM included
Glass type
Ceramic glass

Appliance performance

Optimum efficiency(1)(2)
70 %
Average particulate emission rate(3)
1.6 g/h
EPA loading volume
4.28 ft²
Maximum heat output-dry cordwood(4)
95,000 BTU/h (27.8 kW)
Maximum overall heat output rate(4)(5)
43,000 BTU/h (12.6 kW)
Minimum overall heat output rate(4)(5)
16,900 BTU/h (5.0 kW)
Average overall efficiency-dry cordwood (HHV)(5)(6)
64 %
Average overall efficiency-dry cordwood (LHV)(5)(7)
69 %
Optimum heat transfer efficiency(8)
69 %
Recommended heating area(9)
1,000 - 2,800 ft²
Average CO(10)
159.0 g/h
Maximum burn time(9)
11 h
Fuel type
Dry cordwood (16" recommended)
Overall firebox volume
4.28 ft²


Clearance - Base of the unit to ceiling**84"84"Clearance - Combustible side mantle to unit8"8"Clearance - Combustible side wall to unit24"24"Clearance - Base of the unit to a combustible shelfN/A (non-combustible shelf only installed at least 52" from the base of the fireplace)N/A (tablette non-combustible permise installée à au moins 52" de la base du foyer)
Manuals and Instructions

Consult the available manuals and leaflets for more information on performance, installation and use requirements, etc.

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Frequently Asked Questions

Our stove and fireplace expert Alain answers your questions about this product.

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