Enerzen 1500 Watt 6 Element Electric Infrared Portable Home Heater (Wood) Approved By 2 USA Rating Agencies - Tested and approved by 2 USA rating agencies ensuring the highest safety standards: ETL Intertek No. 3182690 and CSA No. C22.2 No. 46. Lifetime Washable Air Filter - Removes air borne particles, never needs replacing, and can be removed to be cleaned under warm water very easily. Triple Heating Systems and Power Levels - Eco:Energy saving mode uses 1/3 less energy once the room reaches the desired temperature.. Low: 750 watts High: 1500 watts Tip-Over and Overheat Safety Features - Automatically shuts the heater off in the event of a tip-over or overheating. 30,000 Hour Life Span - Over 10 years usage if used 8 hours per day 365 days of the year.