Just another datapoint for you to consider.....
It's been my experience that the Xtrordinair is hit or miss, and if it's a miss it's going to cost you thousands of dollars to replace.
I purchased a home a few years ago that had an Xtrodinair in the living room. Whenever I added more wood, it spilled smoke into the house. Also, when not in use it spilled cold air into the house. Every time we put wood in the fireplace we would need to open all the windows.
I spent a lot of time troubleshooting the problem, and never could resolve it. I reached the conclusion that it had to be replaced. I ended up turning the chase into an alcove, and installing a PE Alderlea free standing stove. I couldn't be happier with the change.
To replace the Xtrordinair you have to tear apart everything in front of it, all the rockwork, tilework, everything. Ran me about $10K.
On the other hand, one of my neighbors loves his Xtrordinair, never had a problem.
On the other other hand, one of the contractors who worked on my job had installed an Xtrordinair in his daughter's living room and had the exact same problems as I had.
The performance seems to be hit or miss.
(And by the way, the Xtrordinair WAS installed properly, I checked when we tore it out.)
The problem with the Xtrordinair (and any zero clearance), is that if you have any problems with the stove, it costs thousands of dollars in masonary, drywall, painting, flooring etc. to fix it. And of course, their warranty doesn't cover any of that. With a free standing stove, you disconnect it and have the stove dealer pick it up.
Here are a couple links to some threads where we tried to troubleshoot the problem. (My Login used to be rjustice4, but I lost my email address and forgot my password, so now I have a new login.)
Just thought I would share what I learned the hard way....
Bob
https://www.hearth.com/talk/threads/11446/
https://www.hearth.com/talk/threads/8953/