Empire 18" 10,000 BTU White Modulating Hydraulic Thermostat Control, Natural Gas Vent Free Blue Flame Heater 61in What is the difference between

What is the difference between Millivolt and electronic ignition fireplaces

allowing quick and easy access to your cable box

this electronic unit emits authentic-looking flames that emulate a real fire

a Smart Thermostat – which modulates flame height as the room reaches the desired temperature

Empire 18" 10,000 BTU White Modulating Hydraulic Thermostat Control, Natural Gas Vent Free Blue Flame Heater 61in What is the difference betweenVent Free systems draw room air to support combustion in a clean burning blue flame or radiant plaque system. Rated at 99. 9 percent efficient, vent free heaters release nearly all of the available heat energy into the room. To ensure safe operation, all vent free systems include an Oxygen Depletion Sensor (ODS) to automatically turn off the heater if room oxygen level drops to an unsafe level. Empire Blue Flame heaters warm the air, which rises to