This type of professional blower is commonly used to help distribute heat from fireplaces and stoves. These are extremely quiet (less than 2 sones) and won’t be heard over the fire crackling. Use it to push heat away from your fireplace or stove and to where it can be enjoyed. Professional Fireplace Blower 160-180 CFM based on application, 3000 RPM, 1.13 Max Amps Attached 3-prong Plug-in Cord Speed Control (Helps control the heat output into the room) Thermostatic Activation Switch.