Sierra Flame 48-Inch Lyon 4-Sided See-Through Direct Vent Built-In Linear Gas Fireplace
Best see-through fireplace for homeowners seeking a seamless room divider.
Elevate your living space with the Sierra Flame 48-Inch Lyon Linear Gas Fireplace. This stunning 4-sided see-through unit acts as a beautiful divider, connecting any two rooms with its full 360-degree view. Experience a mesmerizing flame behind safe-to-touch glass, free from screens, louvers, or gaps. Designed for convenience, installation is quick and simple, and internal glass cleaning requires no technician. This natural gas fireplace features integrated components, allowing combustible materials like wood and drywall to be safely placed nearby, offering both ambiance and practicality.
$10999.00
Owner Satisfaction
4.6
/ 5
Category Rank
89
/ 1218
#89 in Fireplaces
Price vs Category Average
+447%
Above average
Heating BTU
32500
/ BTU
Who it's for
- Homeowners creating a dramatic architectural centerpiece for open-concept living
- Eco-conscious residents prioritizing indoor air quality and heating efficiency
- Design enthusiasts seeking a sleek, modern focal point for large rooms
Who should skip it
- Budget-conscious buyers avoiding extensive structural renovations and professional labor costs
- Residents in smaller or highly insulated spaces prone to overheating
- Homeowners needing versatile placement options beyond a central room divider
Performance breakdown
Visual Impact
The 360-degree see-through design creates a stunning, immersive architectural focal point.
Installation Flexibility
Direct vent technology and combustible-friendly clearances simplify complex room-divider installations.
Safety Standards
Safe-to-touch glass eliminates the need for intrusive screens or protective barriers.
Maintenance Ease
User-friendly internal access allows for quick glass cleaning without professional help.
Heating Capacity
The 32,500 BTU output provides comfortable supplemental warmth for medium-sized living spaces.
Design Integration
Clean lines and hidden components ensure a seamless, modern built-in aesthetic.
Key Specs
Heating BTU
32500 BTU
Fuel Type
Natural Gas
Venting Type
Direct Vent
Dimensions (H x W x D)
38.52 in x 51.24 in x 23.5 in
Weight
345 Pounds
Model Number
LYON-48-NG
Glass Type
Safe to touch glass
Installation Type
Built-In
Features
- Full 360-degree view connects any two spaces
- Safe-to-touch glass, no screens or louvers
- Mesmerizing flame for ambiance
- Quick and simple installation process
- No heat dump technology
- Combustibles permitted near unit
- All components contained internally
- No technician needed for interior glass cleaning
What customers say
Customers overwhelmingly view the Sierra Flame Lyon Fireplace as a premium architectural centerpiece due to its stunning four-sided viewing capability. The aesthetic appeal, featuring vibrant and mesmerizing linear flames, is the primary draw, transforming open spaces. Quality construction is perceived as robust, justifying the investment. While the final look is universally loved, the complexity of installing this direct vent, see-through unit often requires professional expertise, leading to higher initial project costs. Functionally, the system offers efficient supplemental zone heating. Overall sentiment is strongly positive, driven by unparalleled visual impact and high-end design quality, solidifying its status as a luxury home feature.
Know before you buy
Yes. Because the unit features integrated components and no heat dump technology, you can safely install combustible materials like wood or drywall right up to the edge of the fireplace.
No. The Lyon features safe-to-touch glass, which eliminates the need for unsightly screens, louvers, or gaps, providing a clean, unobstructed view of the flames.
You can clean the interior glass yourself without needing a professional technician. The design allows for easy access to the glass panels for routine maintenance.
Absolutely. The 4-sided see-through design is specifically engineered to act as a room divider, offering a full 360-degree view that connects two separate living spaces.
This is a direct vent fireplace, meaning it uses a dedicated venting system to draw in outside air for combustion while exhausting gases safely to the exterior of your home.
No, the Sierra Flame Lyon 48-inch model does not include an integrated timer function.
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$10999