Halogen styled heater use radiant technology which warms like the sun - they heat surfaces,not the air.As surface temperatures rise above the air temperature,they in turn warm the air. It's a little bit like sitting in a sun filled room on a cold day. Power:1500 W Loading Capacity(Sets/40'): 610 Set/40' Weight: 10 Lbs Dimensions: 17X17X36 Inch MS-10RRegular price: $69.00Sale price: $45.00 1999-2012 ShoppingAtNet.com All Rights Reserved.