Heaters have a full function electronic thermostat New thermostat replaces the standard mechanical thermostat found on other brands. Provide sensitive control of room temperatures to around 1 degree. Feature Heaters will not reduce humidity or oxygen. Heats up to 1000 Square Feet. Uses 1.26 kilowatts hour when it's running full time. Washable pre-filter. BTU 5600. Use Accurate Digital Thermostatic Controls Display. Temperature setting Thermostat range 37-86 Quartz Infrared Emitters Stainless deflection coils. Safety cutoff, Simple operation. Pre-setting on off. Efficient heating. Energy saving function. Fan Noise Level 42 dB much quieter and softer. Full function remote control with delay start feature. Plastic Cabinet with Caster Wheels.