High Efficiency Inserts High Efficiency Inserts are installed in existing masonry fireplaces or in approved metal fireboxes. Most inserts are efficient heaters and are available with a number of features such as fans, thermostatic control, ceramic fiber logs for a realistic glowing effect and a variety of trim options. Quality inserts range in price from $1,450 and up. (Click images for more details)

B-Vent Inserts Valor 738BVN Legend G3 Retrofire   Adorn               Direct Vent Inserts Valor 739 DVN Legend G3 Retrofire                        Enviro Focus Sienna Sonnet   Kingsman Jøtul Kozy Heat IDV33   GI450 DV Katahdin Chaska