1. This fireplace is everything you want. Ambiance, warmth, and solid construction.
2. My 8 year old son, and 10 year old daughter put it together with my guidance. If you’ve done legos with your kids, this is a breeze. Actually it’s a breeze even  if you haven’t!
(I suggest white caulk used on my crown moldings to carefully fill some cracks of that bothers you.)
3. It’s MDF and solid (but treated) wood but it didn’t trigger air quality in my home (I have an air 
Dr.)
4. Operations
The flame is dimmable to 4 settings. There are various light options. Heat settings get the entire open living space nice and cozy.