Vent-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.

Vent-free systems are designed to provide supplemental heat and may not be used as a primary heat source.

· Total Comfort for Half the Cost of Electric Heat · Radiant or Blue Flame Design · 99.9 Percent Efficient · Safe Operation with Auto Shut-off Safety Controls · Manual or Hydraulic Thermostatic Controls · Matchless Piezo Igniter LP or Natural Gas Models · Mounts on Floor or Wall

· All Models Heat without Electricity · Optional Manual and Automatic Blowers · Empire BF and SR Models Include 5-year Limited · Warranty on Parts and Labor · HearthRite Models Include 3-year Limited Warranty     on Parts and Labor