DeShine Technology Corporation D01-005 Rhythm 250-watt Carbon Crystal Heating Panel, 24 by 24-Inch Infrared heat from Carbon Crystal provides luxurious warmth with no noise and requires 50 percent less energy usage than conventional space heaters Size and wattage varies to best suit your space's heating needs with a wide range of beautiful artwork available to complement every environment Maintenance free design with certification from both ETL and CE and warranty available DeShine Carbon Crystal Heaters use far-infrared heat which is the same as the sun and offers numerous health benefits