Kozy Heat Osseo Electric Insert / Fireplace
AUTHORIZED DEALER The Kozy Heat Osseo Insert Electric Fireplace is designed for one specific job: dropping into an existing fireplace cavity (wood-burning fireplace that's no longer used, older gas unit being replaced, or new construction cavity sized for the Insert) and delivering modern flame ambiance plus modest supplemental heat without the complexity of gas line work or venting. Available in two sizes — Osseo e29 and e34 — the Insert Series turns an unused or outdated fireplace into a clean, customizable, plug-and-play feature in a single afternoon.
Why electric? Three big advantages over gas: No gas line required (plug into a standard 120V outlet, or hardwire), no venting required (no chimney work, no exterior wall vent), and dramatically simpler installation (typically a DIY afternoon project rather than a multi-day certified-installer job). The trade-off: electric fireplaces produce ambiance + supplemental heat, not primary heating. If you need real heat as a primary heating source, see our gas fireplace collection. If you want a fireplace that looks beautiful, runs anywhere there's an outlet, and adds 5,000 BTU of supplemental warmth — the Osseo Insert Series is purpose-built for exactly that.
Universal Osseo Insert Features
Both Insert Series models share the same core technology and customization. Size and viewing area change between e29 and e34; everything else stays the same:
| Brand | Kozy Heat |
|---|---|
| Series | Osseo Insert Electric Fireplace |
| Models Available | Osseo e29 / Osseo e34 |
| Power | 750W / 1500W at 120V (selectable heat output) |
| Heat Output | Up to 5,000 BTU/hr |
| Installation | Plug-in (standard 120V outlet) or hardwired (still 120V) |
| Venting Required | None — completely vent-free |
| Lighting | Energy-saving LED with multi-color changing capability |
| Sound Effects | Crackling log effect (adjustable) |
| Controls | Standard remote control included |
| Thermostat | Thermostat control with set-temperature operation |
| Timer | 30-minute incremental timer settings |
| Decorative Screen Fronts | Compatible with Kozy Heat Chaska screen front options |
| Made In | USA (Hussong Manufacturing, Minnesota) |
Two Sizes to Match Your Existing Cavity
The Osseo Insert Series is engineered to retrofit into existing fireplace openings. Choose the size that matches your existing cavity dimensions:
| Model | Overall Width | Viewing Area | Best For |
|---|---|---|---|
| Osseo e29 | ~29" wide | 19-1/16" H × 28-9/16" W | Smaller existing fireplace cavities, bedrooms, dens, secondary living spaces, smaller masonry openings |
| Osseo e34 | 32-9/16" W × 23-1/2" H × 11-1/2" D | 19-1/4" H × 31-1/2" W | Standard 36" masonry fireplace cavities, living rooms, family rooms, most common retrofit choice |
Customization: The Real Reason to Choose Osseo
The Osseo Insert Series offers one of the most extensive customization systems in residential electric fireplace inserts. The same Osseo e34 can look dramatically different from one installation to the next depending on which combinations you choose:
-
Log Set Options
- Traditional Log Set — classic split-log appearance, pairs with rustic, transitional, and warm-modern interiors
- Birch Log Set — lighter coloring with white-bark detailing, suits contemporary, Scandinavian, and minimalist styles
-
Alternative Decorative Media — instead of logs, you can use:
- Driftwood — coastal/cottage aesthetic
- Small or Large Crystals — contemporary glass-bed look
- Lava Rock — modern volcanic-stone aesthetic
- River Rock — natural smooth-stone look
-
Flame Color Options
- Traditional Orange — classic warm fire appearance
- Blue Flame — striking contemporary cool-tone look
- Orange + Blue Combination — blended dynamic effect
- 13 Glowing Ember Bed Colors — LED-illuminated ember bed colors that can be set independently from the flame, allowing extensive mood customization
- 7 Downlight Accent Colors — LED accent lighting that washes the firebox interior with selectable colors
- Chaska Decorative Screen Fronts — adds a decorative metalwork screen in front of the viewing glass for an additional layer of visual customization
Brand
Kozy Heat®
Kozy Heat electric fireplaces are a flexible, low-maintenance way to add flame ambiance and supplemental warmth to your home. With linear and insert-style options, electric fireplaces are ideal for spaces where gas venting is not practical or where year-round visual ambiance is a priority.
Kozy Heat offers indoor electric fireplaces suitable for wall mounting or insertion into existing masonry spaces.
Distinctive Features
Flexible Installation Options
Kozy Heat electric fireplaces include insert and linear models, giving homeowners more freedom in remodels, media walls, bedrooms, basements, offices, and existing fireplace openings.
Customizable Flame, Ember, and Media Looks
The Kozy Heat Osseo eSeries includes insert sizes and linear options with decorative media choices. Kozy Heat describes the Osseo eSeries inserts as offering traditional or birch log sets, multiple downlight accent options, and glowing ember options.
Ambiance With Supplemental Heat
Electric fireplaces are popular for their ability to provide visual flame effects with or without heat, making them useful across multiple seasons. Dealer specifications for the Kozy Heat Osseo list a 5,000 BTU two-stage heater, LED system, remote control, thermostat control, and timer.
Kozy Heat Electric Fireplace FAQs
Do Kozy Heat electric fireplaces need venting?
No. Electric fireplaces do not burn gas or wood, so they do not require a chimney or gas venting system.
Can I use the flame effect without heat?
Many electric fireplaces allow flame effects to operate with or without heat, making them useful for year-round ambiance. Check the specific Kozy Heat model for available controls.
Are Kozy Heat electric fireplaces good for media walls?
Yes. Linear electric fireplaces are popular for modern media walls and contemporary room designs because they do not require gas venting.
Can an electric fireplace heat a room?
Electric fireplaces provide supplemental heat, not whole-home heating. They are best for taking the chill off a room or adding comfort to a specific area.
Do electric fireplaces require professional installation?
Some plug-in models are simpler to install, while built-in or direct-wire installations may require a qualified professional or electrician.
Should I choose electric or gas?
Choose electric if you want simple installation, no venting, and year-round flame ambiance. Choose gas if you want stronger hearth heat, real combustion flames, and natural gas or propane operation.
Fireplace Blog Posts
Is my Fireplace Safe to Use? What Safety Checks Do I Need?
Before you light that first fire of the season, take a few minutes to make sure your fireplace is safe. This guide walks you through the DIY safety checks you can do yourself for gas, wood-burning, and electric fireplaces, explains what a professional inspection covers, and tells you exactly when to stop and call for help — including the 8 warning signs you should never ignore.
How Much Does It Cost to Install a Fireplace?
The fireplace unit gets most of the attention, but installation is where the real budget lives. In this guide, we break down every installation cost line by line — venting, framing, gas line, electrical, permits, labor, and finishing — for gas, wood-burning, and electric fireplaces. Plus, exactly what to bring to your first consultation so we can give you an accurate estimate on the spot.
How Much Does a Fireplace Cost?
Adding a fireplace to your home is one of the most impactful upgrades you can make—for comfort, ambiance, home value, and even energy savings. But before you walk into a showroom, most homeowners want to know one thing: how much is this actually going to cost?






