Dr. Heater DR-968H Infrared Portable Space Heater with Humidifier, 1500W by Dr Heater USA Newly Engineered and Designed in the USA with Advanced Dual Heating System. 1500W with High & Low Temperature Settings (Range: 50-85F) Rated to heat up to 1000 sq. feet with proprietary Dual Heating System: Infrared Quartz Tube + PTC. Tip-Over and Overheat Protection. Built-in humidifier produces a cool mist to add much needed humidity to dry, winter air. Can be operated as heater with humidifier or without, ideal for winter time. This newly engineered heater produces 60% more heat than the other models on the market. Great supplemental heating source.