Energy E33 insert

With 38,000 BTU’s of comforting controllable heat and a full glowing fire this insert is guaranteed to warm your room quickly and consistently. Turn your existing drafty masonry fireplace into a high efficiency heater with the E33. Backed by the industry’s most comprehensive Limited Lifetime Warranty. How it Looks: Efficient upgrade to keep the heat in your home; Large depth firebox adds mimics the style and elegance of a real wood fire; Heat radiating ceramic glass provides maximum viewing area; Realistic logs with beautiful flames and platinum infused bright embers; How it Works: Controllable heat with up to 50% flame turn down; Easy access waist height controls; Whisper quiet variable speed blower to push the heat; Direct vent technology protects your in-home air quality.; Operates on natural gas or propane;