*Heaters have a full function electronic Thermostat- This new thermostat replaces the standard mechanical thermostat found on other brands. Provide sensitive control of room temperatures to 1 degree. *The patented quartz infrared heating element never gets to a temperature to ignite anything. *The outside of heaters only gets warm to touch so that it will not burn children or pets. Feature: (1)cTUVus approved (UL Equivalent) (2)Heater will not reduce humidity or oxygen (3)Heater up to 400 Square Feet (4)Washable pre-filter (5)BTU: 3600 (6)Use Accurate Digital Thermostatic Controls Display (7)Temperature setting (Thermostat range 37~86) (8)Quartz Infrared Emitters /Stainless deflection coils (9)Safety cutoff, Simple operation (10)Pre-setting on/off (11)Efficient heating (12)Energy saving function (13)Fan Noise Level: 42 dB - much quieter and softer (14)Full function remote control with delay start feature (15)Weight approximate 18.5lbs (16)Plastic Cabinet with Caster Wheels