Osburn 1700-I Wood Burning Fireplace Insert – OB01705
Efficient, Mid-Size Wood Insert for Reliable Whole-Room Heat
Upgrade your masonry fireplace with the Osburn 1700-I wood fireplace insert—an EPA-certified heating solution built for efficiency, durability, and everyday comfort.
Key Features
- Heats 500–1,800 sq. ft.
- Up to 65,000 BTU/h heat output
- EPA 2020-certified clean-burn technology
- Durable cast-iron door with ceramic glass
- High-efficiency blower included (144 CFM)
- Multiple faceplate sizes for proper fireplace coverage
Product Features
EPA-Certified Non-Catalytic Combustion
This EPA 2020-approved wood fireplace insert uses advanced non-catalytic combustion technology to deliver clean burns, improved fuel efficiency, and reduced emissions.
Powerful Heating Performance
With up to 65,000 BTU/h output and a heating capacity of up to 1,800 square feet, the Osburn 1700-I is ideal for medium-sized homes or main living areas.
Durable High-Quality Construction
Engineered for long-term performance, this wood insert features:
- High-density refractory bricks
- Stainless-steel heat shield with C-Cast firestop
- Heavy-duty cast-iron door
- Steel body construction
These materials improve heat retention and extend service life.
Large Viewing Area with Air-Wash System
A ceramic glass door with integrated air-wash helps keep the glass cleaner, providing a clear view of the flames while reducing maintenance.
Quiet, High-Performance Blower Included
The included 144 CFM blower helps distribute warm air evenly throughout the room for more consistent comfort.
Flexible Faceplate Options for Fireplace Coverage
Choose from two faceplate sizes to properly cover your existing masonry fireplace opening:
-
Standard faceplate: 29" H × 44" W
-
Large faceplate: 32" H × 50" W
These options ensure the insert seals and finishes the fireplace opening correctly, resulting in a clean, professional installation.
Installation Note for Safety
Important: Wood-burning inserts must be installed only in an existing masonry fireplace and never in combustible or prefabricated structures.
Product Specifications
Appliance Performance
| Specification |
Details |
| Fuel type |
Dry cordwood (16" recommended) |
| Recommended heating area |
500 – 1,800 ft² |
| Overall firebox volume |
1.86 ft³ |
| EPA loading volume |
1.44 ft³ |
| Maximum burn time |
Up to 7 hours |
| Maximum heat output |
65,000 BTU/h (19 kW) |
| Overall heat output rate |
9,800 – 52,200 BTU/h |
| Average overall efficiency (HHV) |
68% |
| Average overall efficiency (LHV) |
73% |
| Optimum overall efficiency |
76% |
| Optimum heat transfer efficiency |
75% |
| Average particulate emissions rate |
2.4 g/h |
| Average CO emissions |
103 g/h |
General Features
| Specification |
Details |
| Combustion technology |
Non-catalytic |
| EPA certification |
EPA 2020 approved |
| Maximum log length |
18" |
| Log positioning |
Loading over width |
| Chimney diameter |
6" |
| Flue outlet diameter |
6" |
| Chimney type |
Liner – ULC-S635, CAN/ULC-S640, UL1777 |
| Minimum chimney height |
15 ft |
| Baffle type |
C-Cast or equivalent |
| Mobile home approved |
No |
| Blower included |
Yes (144 CFM) |
| Door type |
Single, glass with cast iron frame |
| Glass type |
Ceramic glass |
| Glass air-wash system |
Yes |
| Firebox lining |
Refractory bricks |
| Secondary air system |
Stainless steel |
| Adjustable threaded legs |
Yes |
| Steel thickness – body |
3/16" |
| Steel thickness – top |
5/16" |
| USA emissions standard |
EPA |
| Canadian emissions standard |
CSA B415.1-10 |
| USA safety standard |
UL 1482, UL 737 |
| Canadian safety standard |
ULC S628 |
| Tested and listed |
Accredited laboratory (CAN/USA) |
| Warranty |
Limited lifetime |
| Shipping weight |
361 lb (164 kg) |
Certifications & Standards
| Certification Type |
Standard |
| USA emissions standard |
EPA |
| Canadian emissions standard |
CSA B415.1-10 |
| USA safety standard |
UL 1482, UL 737 |
| Canadian safety standard |
ULC S628 |
| Tested and listed |
By an accredited laboratory (CAN/USA) |
Dimensions
| Specification |
Details |
| Overall height |
21 1/4" |
| Overall width |
27 1/8" |
| Overall depth |
22 3/8" |
| Door opening height |
8 3/4" |
| Door opening width |
17 1/4" |
| Glass size (W × H) |
15 3/4" × 9 3/8" |
| Firebox height |
11 7/8" |
| Firebox width |
19 5/8" |
| Firebox depth |
13 1/2" |
Minimum Fireplace Opening Requirements
| Specification |
Minimum Size |
| Height |
21 1/2" |
| Width |
27 1/2" |
| Depth |
12 7/8" |
Faceplate Sizes (Important Fit Information)
| Faceplate Type |
Width |
Height |
| Standard faceplate |
44" |
29" |
| Large faceplate |
50" |
32" |
Placement:
The faceplate mounts on the front of the insert and overlaps the existing fireplace opening to cover gaps and provide a finished appearance. Always verify that the faceplate dimensions will fully cover your masonry fireplace opening.
Minimum Clearances to Combustibles
| Clearance |
Canada |
United States |
| Top clearance (from base) |
84" |
84" |
| Combustible side mantel |
9" |
9" |
| Combustible top mantel |
27" |
27" |
| Combustible side wall |
16" |
16" |
| Floor protection (in front) |
18" |
16" |
| Shelf clearance above insert |
27" |
27" |
Clearances listed are minimums. Always follow the certification label and installation manual.
Warranty
Warranty Coverage – Osburn Wood Stoves & Inserts
Osburn wood-burning appliances 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:
- Wood stoves & inserts 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 stoves & inserts 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 Wood Stoves 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 Products EPA Certified?
Yes. Osburn fireplaces and stoves 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 stoves can heat 750 to over 2,000 square feet, depending on the model, home layout, and installation. While often installed for ambiance, Osburn stoves 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
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