A built-in thermostat with LED display shows you what the ambient temperature is and helps regulate the temperature efficiently. Included remote control allows you to control the temperature with ease. Our patented heat exchanger with HMS technology combines with humidity in the room to provide soft, safe heat without reducing oxygen or humidity. Small convenient size makes this perfect for any room in the house. Optional casters make it easy for you to move from room to room or wherever you may need some extra heat. Energy-efficient mode reduces the wattage from 1500 to 750. This heater comes with a 1-year manufacturer 1500 WATTS of power and 5200 BTU. As a primary heat source: Up to 300 sq. ft of zone heating (in a well-insulated room). As a supplemental heat source: Up to 1000 sq. ft of zone heating (depending on room insulation)