We wanted a fireplace that could heat 3000 sq ft and that we could leave burning while away with confidence. This unit delivers. It did take a couple of years of use before it worked perfectly as it does now partly operational and maybe some seasoning. The manual indicates that a grate is not needed and I completely disagree. This fireplace can be a little fussy about starting and maintaining a fire especially when completely clean. Also, I recommend sliding the flu control all the way to the right and then back about 2 inches from the left and leaving it there and never changing it. Also, to close the left door completely while the right door is about an inch open will help get your fire started. My issues could be that my altitude is 10,300 feet and getting enough air to the fire is difficult. It is a great stove with fabulous heating power once it takes off. We only use the fans on the very coldest nights or it would run us out of the house! I hope this helps someone.
Wonderful but has a learning curve 
