Weekly Deal 1 Sunbeam Therapedic Queen Size Heated Electric Warming Mattress for $89.95. DealYard SKU#: HGSUNBEAM7228038000. Snuggle into warmth and relaxation with the Sunbeam Therapedic comfort mattress pad in Queen Size (60" x 80"), fits mattresses up to 18 inches deep. It offers the comfort of a lofty quilt design and the popular "pre-heat" setting. You can even save up to 10 percent a year on your heating bills by turning on your Sunbeam Heated Mattress Pad and setting your thermostat back 10 percent to 15 percent for 8 hours while you′re sleeping. We have all rienced the need for more warmth on a chilly night and sunbeam heated mattress pads deliver your desired warmth setting throughout the night, without layers of blankets and heavy comforters.