Napoleon $$
Napoleon: Ascent X 42
A gas fire that reads as a real wood fire—with the remote, blower, and safety barrier already in the box. Quick Facts • Heating Capacity: 750–1,500 sq ft• Viewing Area: 37 11/16″ x 23 11/16″.• Fuel: Propane; a natural gas...

Verified Estimate answers a few fit questions so the price uses the exact vent kit and install add-ons your space needs. The most accurate number.
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Product Configuration
Set the unit up the way you'd order it—then price it installed or see it in your own room, right on this page.
This one prices person-to-person—book your free in-home visit and our team measures, confirms every install detail, and writes your estimate on the spot.
Basic Product Info
Approx. Heating Area
750–1,500 sq ft
Turn-Down Rate
Not published
More Product Info
A gas fire that reads as a real wood fire—with the remote, blower, and safety barrier already in the box. Quick Facts • Heating Capacity: 750–1,500 sq ft• Viewing Area: 37 11/16″ x 23 11/16″.• Fuel: Propane; a natural gas conversion kit is available.• Controls: Thermostatic remote with digital screen included; Bluetooth app control optional.• Fan: Included Who It’s For Plenty of gas fireplaces look fine in the showroom and turn out to be a base model at home: the blower is an add-on, the remote is an add-on, and the fire itself is the same log set as every other unit on the wall. You need a fireplace that looks like a real fire and arrives ready to live with. If you’re building or remodeling—this unit builds into a framed wall, not into an existing masonry fireplace—and you want one choice that covers the warmth, the controls, and the look, the Napoleon Ascent X BX42 is that choice. Pick a stripped-down unit instead and you’ll spend the first winter adding the pieces this one already has. What Makes It Special The fire is the point. Hand-painted split oak logs sit over a glowing ember bed light, behind ceramic glass, with a safety barrier that keeps your family safe without blocking the view. From across the room, it reads as a wood fire, not an appliance. Everything you touch day to day is included. The remote runs power, flame height, and blower speed without leaving your seat, and the variable-speed blower pushes warmth to the far side of the room—enough fire for a large living room and the kitchen beyond it. If the power goes out, battery backup still lights the fire—as long as you’ve kept batteries in it, or you can run it from your own power bank. Possible Downsides • This is the propane model. Running it on natural gas takes a conversion kit.• Hanging a TV or reducing mantel clearances requires the optional Universal Heat Management system. Without it, standard clearances above the fireplace apply.• App control is optional, not included. Out of the box, the remote is the controller. If you want a gas fire that looks like a wood fire and is ready to use the day it’s installed, the Ascent X BX42 is the right decision. The room it’s in becomes the room the house lives in. The look is yours to set: Heritage or Zen fronts, decorative panels from MIRRO-FLAME reflective porcelain to Westminster, Newport, Old Town Red, and Sandstone brick, beach fire, shore fire, mineral rock, and woodland media kits, a wrought iron surround, and black finishing trims.
Manuals & Spec Sheets
Documentation for this model is available in the showroom.
Common Product Questions
Can I get an instant online estimate for the Napoleon: Ascent X 42 in Southeast Michigan?
Yes. Fireside Shoppe & Aqua Mist prices the Napoleon: Ascent X 42 right here on this page—the unit, a real vent kit, and professional installation for your space—in about a minute, free and with no obligation. No phone call required.
What does the estimate include—just the fireplace?
Everything it takes to get it running: the Napoleon: Ascent X 42 unit itself, the venting it needs, and turn-key professional installation by our own factory-trained crew. One honest number, not a stack of surprises.
Is the online price real, or just a rough guess?
It’s a real, configured estimate from our live catalog—not a vague range. Choose your options above and the number reflects that exact build. Final pricing is confirmed at your free in-home visit.
Do you install and service the Napoleon: Ascent X 42 yourselves?
Yes—we’ve installed and serviced Southeast Michigan fireplaces since 1975. Our own crew handles the whole job, and if something needs attention later, one call handles it—.
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