Check the listing for details. Indoor Portable Space Heater with Remote Control, 1500W Dual Heating, 4 Wheels. Condition: New. Listed at 109.00 USD. The Eco mode automatically adjusts power to save on energy costs. DUAL HEATING TECHNOLOGY: Advanced Infrared Quartz Tube and PTC fan-forced heating work together to provide fast, widespread, and comfortable warmth that feels natural and doesn't dry out the air.