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The Kozy Heat Osseo e34 Electric Fireplace Insert (OSO-E34) provides a wider traditional-format electric fireplace for existing openings and recessed built-in applications. Smoked crushed glass media and a multifunction remote are included, with adjustable flame and lighting effects and optional traditional or birch log sets.
The e34 operates on 120V at up to 1,500W and 5,000 BTU. Insert installations can use the supplied power cord; recessed installations must be hardwired. Appliance dimensions are 32 5/16" W × 22 7/8" H × 11 1/2" D. For recessed construction, the framed opening is 32 5/8" W × 23 7/8" H × 11 5/8" D. It is intended for indoor use and is covered by a two-year limited warranty.
Osseo eSeries Insert comes in 29" and 34" with customizable lighting, and log options.
View Inspiration ->Interactive Fit Checker
Will This Fit My Fireplace?
Enter the finished inside dimensions of your existing fireplace opening. The checker will compare them with this model’s minimum requirements.
Measure the usable finished opening—not the outside brick, stone, tile or mantel.
We’ll compare your opening with the minimum space required.
The shaded opening shows the space you have. The dashed box shows the minimum space this unit needs.
How to Measure Your Fireplace Opening
Measure the narrowest inside width at the front.
Check whether the opening narrows toward the back.
Measure from the hearth to the lowest point above.
Measure to the shallowest obstruction inside.
Dimensions & Installation Information
Review the official product specifications and installation manual before ordering.
Key Features
Designed for performance, simplicity, and everyday comfort.
A premium electric fireplace experience with refined design, modern controls, and dependable performance.
Amber & Orange flame colours
13 Ember Bed color options
Smokey Glass Media
Optional 12pc Traditional Log Set or 12pc Birch Log Set
Product Specifications
Technical specifications for planning, installation, and product comparison.
Fit and finish
Dimensions
Overall size
W × H × D- Width
- 32 5/16"
- Height
- 22 7/8"
- Depth
- 11 1/2"
Framing / rough opening
Required opening- Framing width
- 32 5/8"
- Framing height
- 23 7/8"
- Framing depth
- 11 5/8"
Performance
Heating and electrical
- Maximum heat output
- 5,000 BTU
- Maximum wattage
- 1,500 W
- Heating area
- 400 sq. ft.
- Voltage
- 120V
- Amperage
- 12
- Hardwire
- Yes
- Plug-in
- Yes
Project planning
Installation and viewing
- Installation type
- Insert
- Viewing style
- Front View
- Best For
- Existing fireplace openings
- Indoor / outdoor rating
- Indoor Only
- Heater location
- Front Vent
- Installation configurations
- Front View
Everyday experience
Controls and experience
- Flame Colours
- Multi-colour
- Smart / app control
- No
- Remote
- Yes
- Media type
- Smoked Crushed Glass
Model information
Product details
- Series
- Osseo
- Size
- 34"
- Size range
- A. Compact (Under 50")
- Shipping weight
- 90 lbs
Coverage
Warranty
2 Year Limited
Product Resources
Manuals & Documents
Access installation details, measurements, framing requirements, and product documentation before you buy.
Delivery & Pickup
Qualifying orders under $1,999 ship across Canada for a $199 flat rate, while qualifying orders $1,999+ receive free standard shipping. Free local delivery is available on qualifying orders $999+ within our Burlington-area delivery zone. Select oversized products and remote destinations may require a custom freight quote. Pickup may also be available by arrangement for eligible orders.
Warranty & Protection
This product is sold by an authorized dealer and is backed by manufacturer warranty support. Optional protection plans can be selected above. Protection plan coverage is for parts only and does not include labour, diagnostics, installation, removal, reinstallation, service calls, or shipping.
Which Size Is Right For You?
Use our Fireplace Size Calculator to find the perfect fit for your space.
Launch CalculatorAvailable Sizes
Complete The Look
Recommended accessories for your fireplace
Frequently Asked Questions
How much heat does this fireplace provide?
This model provides supplemental heat for approximately 400 sq ft. Actual performance can vary based on room layout, insulation, ceiling height, and wiring setup.
What voltage does this fireplace use?
This fireplace is designed for 120v power. Always confirm wiring requirements with the installation manual or a licensed electrician before installation.
How is this fireplace installed?
This model is designed for insert installation. Review the product manual for framing, clearance, and finishing requirements before starting your project.
Can this fireplace be installed under a TV?
Many electric fireplaces can be installed below a TV, but clearances vary by model and installation type. Always confirm the manual, mantel clearances, and TV manufacturer guidance before installing.

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