Napoleon Altitude X 42" Direct Vent Fireplace
Designed with an ideal aspect ratio for a beautifully balanced flame presentation, the Napoleon Altitude X™ 42 Gas Fireplace blends classic styling with modern flexibility—making it a traditional fireplace you can truly customize.
A wide range of options makes installation and personalization effortless. The clean-faced, minimalist design and full-width firebox are enhanced by the included NIGHT LIGHT™, adding a soft ambient glow that highlights the fireplace even when the flames are off.
Set the mood with your choice of premium, hand-painted log sets, including driftwood, oak, and birch, each offering a distinct look from rustic to refined. Optional heat management solutions further expand your design possibilities by allowing easier placement of artwork, electronics, or a TV above the fireplace.
For ultimate convenience, control the Altitude X 42 from the comfort of your seat using your mobile device with the eFIRE™ app. With a broad selection of front styles, decorative brick panels, and log set options, the only decision left is how you’ll personalize the Altitude X 42 to make it unmistakably yours.
Napoleon Altitude X™ 42 Direct Vent Gas Fireplace Features
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Up to 36,500 BTUs of powerful, efficient heating for medium to large living spaces
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Clean-face design with a full-view firebox for an unobstructed, modern flame presentation
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Exclusive NIGHT LIGHT™ system provides a soft ambient glow when the fire is off
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Choice of Ultra HD premium log sets, including Driftwood, Oak, and Birch, for a realistic, hand-crafted appearance
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Zen Front available in Charcoal or Black for a sleek, minimalist aesthetic
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Whitney and Denali premium fronts offered with three accent color options to complement your décor
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Optional finishing trims available in Charcoal, Black, Gunmetal, and Copper for a polished, custom look
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Selection of seven decorative brick panel options, including:
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eFIRE™ Remote App included, providing total control of your fireplace from your mobile device
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Heat-circulating blower included, featuring variable speed and thermostatic control for enhanced comfort and heat distribution
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Optional AMBIENT-GLOW™ metal fibers enhance ember glow and flame realism
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Optional Heat Management solutions reduce clearances to combustible materials and allow easier placement of mantels, TVs, and artwork
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Available in natural gas or propane configurations for installation flexibility
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Designed for extensive customization with a wide range of premium accessories
Control Options & Operating Features for the Napoleon Altitude X™ Direct Vent Fireplace
The Napoleon Altitude X is equipped with a complete set of control and comfort features designed for ease of use, safety, and performance.
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NIGHT LIGHT™ System (Included)
Provides a soft ambient glow that enhances the firebox and surrounding space when the flames are off.
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eFIRE™ Full-Function Remote Control (Included)
Allows convenient, full control of fireplace operation and key settings from your mobile device.
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Full-Featured Handheld Remote Control (Included)
Offers intuitive, everyday control of flame operation and comfort settings.
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Premium Safety Screen (Included)
Adds an extra layer of safety while maintaining a clear, unobstructed view of the fire.
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Heat-Circulating Blower (Included)
Distributes warm air evenly throughout the room for improved heating performance.
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Anti-Condensation Switch (Included)
Helps minimize moisture buildup during startup, supporting consistent performance and long-term reliability.
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Wall-Mounted Control Panel (Optional)
Provides a fixed, built-in control option for a clean and integrated installation.
Customization Options for the Napoleon Altitude X™ 42 Gas Fireplace
Personalize your Napoleon Altitude X™ 42 Direct Vent Gas Fireplace with an extensive selection of panels, log sets, trims, and designer fronts to create a look that fits your space and style perfectly.
Choose from a range of decorative panel options, including MIRRO-FLAME™ Porcelain Reflective Panels, Black Illusion Glass Panels, Newport, Westminster, Grey Herringbone, or Grey Standard panels. Each option provides a distinct backdrop that enhances flame depth and overall visual impact.
Complete the firebox with your choice of enhancement log sets, including Split Oak, Driftwood, or Birch, allowing you to tailor the fireplace aesthetic from classic and rustic to clean and contemporary.
Further refine your installation with a variety of optional trims and front styles. Finish trims are available in Black, Charcoal, Copper, and Gunmetal, while a Beveled Trim adds a subtle architectural accent. Front options include the minimalist Zen Front in Black or Charcoal, as well as the more detailed Arched Whitney Front and Denali Premium Front.
For added design detail, optional decorative iron elements are available for select fronts. The Arched Whitney Front can be paired with arched iron elements in Antique Pewter, Burnished Brass, or Satin Nickel. The Denali Premium Front supports straight iron elements in Satin Nickel, Antique Pewter, or Burnished Brass, allowing for a coordinated, high-end finish.
With these versatile customization options, the Altitude X 42 can be styled to complement traditional, transitional, or modern interiors—making it easy to create a fireplace that feels truly custom.
Heat Management for the Napoleon Altitude X™ Direct Vent Fireplace
Napoleon’s advanced Heat Management solutions are designed to enhance comfort, safety, and design flexibility. These innovative systems allow heat to be redirected away from the fireplace opening, making it easier to install TVs, electronics, and heat-sensitive artwork closer to the unit without compromising performance.
Engineered to operate quietly and without electricity, these industry-leading solutions provide a more effective alternative to traditional blowers. By reducing clearances to combustible materials, Heat Management also simplifies installation and allows for easier placement of mantels and surrounding finishes.
With cooler glass and lower wall temperatures near the fireplace, your family can enjoy the warmth and ambiance of a gas fireplace with added peace of mind. With Napoleon’s Heat Management technology, you stay in control of where the heat goes—without sacrificing comfort or design.
Specs & Dimensions

Napoleon Altitude X 42" Direct Vent Fireplace Product Resources