I was replacing a in wall fireplace that I had for 13 years.  No question that this fireplace is beautiful and very realistic, however unless you stand directly in front of it, you do not feel any heat.  I thought the remote temperature gage was broken because after 2 hrs. It never moved. 

The fireplace I replaced had the heat coming from the bottom.  This one comes from the top.  I believe that might be the problem since heat rises.  It is way too expensive just to look pretty and not produce heat.