A recent inspection of my fireplace and chimney revealed that the original builders did not properly tile the chimney, and that an 11 inch sleeve would likely not fit inside the chimney as currently constructed. As a result, we are looking into wood burning inserts. That said, I have no desire to use it for heat generation. The room the fireplace is in is not all that large, and we don't have any issues heating our home with our heat pump. Are there any inserts out there without a blower, or that can be used with the blower off?