Napoleon Altitude X 42″ Direct Vent Gas Fireplace AX42NTE

FAQ

What is a direct vent gas fireplace like the Altitude X 42?

A direct vent fireplace is a sealed unit that draws combustion air from outside and exhausts outside through one coaxial pipe. The Altitude X 42 (AX42NTE) needs no chimney, keeps indoor air quality intact, and installs into a framed wall.

Can you mount a TV above the Altitude X 42?

In many installations, yes. It ships with Napoleon’s LHAD heat-management system, which lets your installer redirect a portion of the heat away from the wall cavity above the fireplace — the key to safely finishing the wall or mounting a TV. Follow the clearances in the installation manual.

How powerful is the Altitude X 42?

It delivers up to 38,000 BTU through a tall 42.25 x 36.13 in viewing area — a large, nearly square flame presentation rather than a low linear ribbon. That is enough output to zone-heat most family rooms.

What are the framing requirements for the Altitude X 42?

Minimum framing is 42.75 in wide x 46.63 in high x 19 in deep, with the unit measuring 42.25 x 45.44 x 18.63 in. The 19 in depth means it fits a standard 2×4 chase bump-out more easily than deeper luxury models.

Will the Altitude X 42 run when the power goes out?

Yes — battery backup on the electronic ignition lets you light the fire during an outage, so you keep a heat source exactly when you need one. Blower-driven circulation resumes when power returns.

Is the Altitude X 42 available for propane homes?

The AX42NTE is set up for natural gas from the factory. Reach out before purchase if you need propane and we will confirm the right configuration. You can also compare sizes across our Napoleon fireplace collection.

Does the Altitude X 42 have a damper or flue?

No — and it doesn’t need one. The Altitude X 42 is a sealed combustion appliance: its coaxial direct vent replaces the traditional flue, and there is no damper to open, close, or forget. That sealed design is also why it loses no room air up a chimney.