Shop for Heating, Venting & Cooling at The Home Depot. Use the NuTone 100 CFM White Exhaust Fan with Light and Heater to help prevent mildew in rooms up to 100 sq. ft. The fan offers 4 functions: fan-forced heat, ventilation, bright light and nighttime light. The fan comes with a wall switch with on/off switches for all 4 functions. Use a 100-watt light bulb and a 7-watt bulb for primary and nighttime lighting (bulbs no included). The fan's quiet motor operates at 3 sones.