Osburn Stratford II Zero Clearance Wood Fireplace (OB04007)
High-Performance Zero Clearance Wood Fireplace for Whole-Home Heating
The Osburn Stratford II delivers powerful, EPA-certified wood heat with zero-clearance installation flexibility and exceptional efficiency for modern homes.
Key Features
- Up to 80,000 BTU/h maximum heat output
- Heats 750–2,200 sq ft with efficient wood combustion
- Zero clearance wood fireplace design for framed installations
- EPA 2020 certified, non-catalytic combustion system
- Large glass viewing area with an advanced air-wash system
Product Features
High-Efficiency Zero Clearance Wood Fireplace
The Stratford II is a true zero clearance wood fireplace, allowing safe installation in framed walls while delivering the performance of a high-output wood-burning system.
Powerful 80,000 BTU Heating Capacity
Capable of producing up to 80,000 BTU/h, this wood fireplace provides reliable primary or supplemental heat for medium to large homes.
EPA 2020 Certified Non-Catalytic Combustion
Engineered with advanced non-catalytic technology, the Stratford II meets strict EPA 2020 emissions standards while maintaining strong efficiency and simplified operation.
Large Firebox with Long Burn Times
The 2.5 cu ft firebox supports logs up to 20 inches, offering burn times of up to 8 hours for extended warmth and reduced reload frequency.
Exceptional Flame Presentation
A wide ceramic-glass viewing area, combined with a glass air-wash system, keeps the fire view clean while showcasing beautiful rolling flames.
Premium Construction & Materials
Built with moulded refractory bricks, cast iron andirons, and a stainless-steel secondary air system for durability, cleaner combustion, and long service life.
Integrated Blower for Better Heat Distribution
Includes a 176 CFM premium blower to improve heat circulation and overall comfort throughout the living space.
Designed & Certified for North American Standards
Tested by accredited laboratories in Canada and the USA, ensuring compliance with UL, ULC, EPA, and CSA standards.
Product Specifications
Appliance Performance
| Specification |
Details |
| Fuel Type |
Dry cordwood (16" recommended) |
| Recommended Heating Area |
750 – 2,200 ft² |
| Overall Firebox Volume |
2.5 ft³ |
| EPA Loading Volume |
1.94 ft³ |
| Maximum Burn Time |
Up to 8 hours |
| Maximum Heat Output |
80,000 BTU/h (23.4 kW) |
| Overall Heat Output Rate |
12,700 – 60,700 BTU/h |
| Average Overall Efficiency |
64% (HHV) / 68% (LHV) |
| Optimum Overall Efficiency |
70% |
| Optimum Heat Transfer Efficiency |
68% |
| Average Particulate Emissions |
1.2 g/h |
| Average CO |
98 g/h |
General Features
| Specification |
Details |
| Combustion Technology |
Non-catalytic |
| EPA 2020 Certified |
Yes |
| Maximum Log Length |
20" |
| Log Loading |
Over width |
| Chimney Diameter |
6" |
| Flue Outlet Diameter |
6" |
| Minimum Chimney Height |
15 ft |
| Baffle Type |
C-Cast or equivalent |
| Mobile Home Approved |
No |
| Shipping Weight |
468 lb (212 kg) |
| Door Type |
Double, glass with cast iron frame |
| Glass Type |
Ceramic |
| Glass Size |
22 1/4" W × 12 1/2" H |
| Glass Air-Wash System |
Yes |
| Blower Included |
Yes – 176 CFM |
| Warranty |
Limited Lifetime |
Dimensions
| Specification |
Details |
| Overall Height |
40 5/8" |
| Overall Width |
36 3/4" |
| Overall Depth |
29 3/4" |
| Door Opening Height |
10 1/2" |
| Door Opening Width |
25 3/8" |
| Firebox Height |
12 1/8" |
| Firebox Width |
20 3/8" |
| Firebox Depth |
12 7/8" |
Certifications and Standards
| Category |
Standard |
| USA Emissions |
EPA |
| Canada Emissions |
CSA B415.1-10 |
| USA Safety |
UL 127 |
| Canada Safety |
ULC-S610 |
| Testing |
Accredited laboratory (CAN/USA) |
Approved Chimney Systems (6")
| Manufacturer |
Brand / System |
Type |
| DuraVent |
DuraTech / DuraPlus |
Solid Pack / Triple Wall |
| Selkirk |
Super Vent 2100 / Sentinel |
Solid Pack |
| Olympia Chimney |
Ventis / Champion |
Solid Pack |
| SBI Venting Division |
Nexvent |
Solid Pack |
| Metal Fab |
Temp Guard |
Solid Pack |
| American Metal |
AC Triple Wall |
Triple Wall |
| Security Chimney |
S-2100+ |
Solid Pack |
*Specific components may be required depending on the manufacturer
Minimum Clearance to Combustibles
| Clearance |
Canada |
USA |
| Top (from platform) |
80" |
80" |
| Side Mantle |
8" |
8" |
| Side Wall |
13" |
13" |
| Floor Protection (Front) |
16" |
16" |
| Shelf to Base |
58" |
58" |
Warranty
Warranty Coverage – Osburn Wood Fireplaces
Osburn wood fireplaces are backed by a limited lifetime manufacturer’s warranty that covers specific components for varying durations. Coverage applies to the original purchaser and is subject to proper installation and use per the owner’s manual.
Warranty Coverage:
| Component / Description |
Parts Coverage |
Labor Coverage |
| Combustion chamber (welds only) and cast-iron door frame |
Lifetime* |
5 years |
| Ceramic glass**, plating (manufacturing defect**), convector air-mate |
Lifetime* |
N/A |
| Surrounds, heat shields, ash drawer, steel legs, pedestal, trims (aluminum extrusions), vermiculite, C-Cast or equivalent baffle**, secondary air tubes**, removable stainless steel combustion chamber, deflectors, and supports |
7 years* |
N/A |
| Handle assembly, glass retainers, and air control mechanism |
5 years |
3 years |
| Removable carbon steel combustion chamber components |
5 years |
N/A |
| Standard and optional blower, heat sensors, switches, rheostat, wiring, and electronics |
2 years |
1 year |
| Paint (peeling**), gaskets, insulation, ceramic fiber blankets, refractory bricks (fireplace only*) and other options |
1 year |
N/A |
| All replacement parts supplied under warranty |
90 days |
N/A |
Important Warranty Notes
- Lifetime coverage is limited to one replacement.
- Photo documentation may be required to validate claims.
- Warranty applies to manufacturing defects only.
- Damage caused by improper installation, misuse, abuse, over-firing, or failure to follow installation instructions is not covered.
- Labor coverage applies only where explicitly stated.
- Warranty terms are subject to the manufacturer’s full warranty policy.
What This Means for Homeowners
Osburn’s warranty reflects long-term confidence in the structural components that matter most—while clearly defining wear items and electronics that naturally experience use-related aging.
For full warranty eligibility:
- Installation must comply with the owner’s manual
- Appliance must be operated using approved fuels
- Routine maintenance must be performed as recommended
About the Manufacturer
Who Is Osburn?
Osburn is a Canadian manufacturer specializing in high-efficiency wood stoves and zero-clearance wood fireplaces designed for real-world home heating. The brand is widely recognized in North America for producing EPA-certified wood-burning appliances that combine strong heat output, clean combustion, and durable construction.
Founded in Québec, Canada, Osburn has built its reputation around performance-driven wood heating, offering products capable of heating entire homes while meeting modern emissions and safety standards.
What Is Osburn Known For?
Osburn is best known for:
- Zero-clearance wood fireplaces with high BTU output
- EPA 2020–certified wood-burning technology
- Non-catalytic combustion systems that simplify operation
- Large fireboxes and extended burn times
- Canadian manufacturing and engineering standards
Osburn fireplaces are designed to deliver both ambiance and functional heat, making them suitable for homeowners seeking a real wood fire that also contributes meaningful warmth.
Where Are Osburn Fireplaces Made?
Osburn fireplaces and wood stoves are designed and manufactured in Canada. The brand operates under Stove Builder International (SBI), one of North America’s largest and most established hearth appliance manufacturers.
This manufacturing structure allows Osburn to maintain:
- Consistent quality control
- In-house testing and certification
- Long-term parts availability
- Proven reliability across product lines
Are Osburn Fireplaces EPA Certified?
Yes. Osburn wood fireplaces meet EPA 2020 emissions standards, making them compliant for installation in the United States. These certifications ensure:
- Lower particulate emissions
- Improved fuel efficiency
- Cleaner-burning fires compared to older wood fireplaces
Many Osburn models are also certified to UL and ULC safety standards for use in both the U.S. and Canada.
Can Osburn Fireplaces Be Used for Heating a Home?
Yes. Many Osburn wood fireplaces are capable of heating 750 to over 2,000 square feet, depending on the model, home layout, and installation. While often installed for ambiance, Osburn fireplaces are frequently used as:
- Primary heat sources in open-concept homes
- Supplemental heating systems to reduce reliance on fossil fuels
- Emergency heat during power outages
Osburn’s Design Philosophy: Beyond Fire
Osburn describes its approach as “Beyond Fire”—a focus on preserving the authenticity of a real wood fire while reimagining it for modern homes. This philosophy emphasizes:
- Efficient combustion
- Clean-burning technology
- Durable materials
- Contemporary styling that fits today’s interiors
The result is a fireplace that delivers more than just appearance—it delivers dependable heat.
Why Homeowners Choose Osburn
Homeowners choose Osburn fireplaces because they offer:
- Canadian-made quality
- High heat output with clean emissions
- EPA 2020 compliance
- Zero-clearance installation flexibility
- Large glass viewing areas
- Long-term manufacturer support
Osburn Manufacturer FAQ
Is Osburn a good brand for wood fireplaces?
Yes. Osburn is widely regarded as a high-quality Canadian brand known for efficient, EPA-certified wood fireplaces and stoves.
Are Osburn fireplaces suitable for heating?
Yes. Many Osburn fireplaces are designed to heat large areas and can serve as primary or supplemental heat sources.
Are Osburn fireplaces EPA 2020 compliant?
Yes. Osburn wood fireplaces meet EPA 2020 emissions standards for installation in the U.S.
Where is Osburn located?
Osburn is based in Québec, Canada, and is part of Stove Builder International (SBI).
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