High Efficiency Inserts      Fireplace Xtrordinair 31 DVI 33 DVI 564 EI    Scan                                                                                    Scan 65i Scan 70i Scan 40i         Valor     Legend G3   Legend G4      Enviro E20 E30    Regency       HZI540E  E33S   Marquis   Capella              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.   Click on image for specific details for each model.