Furnace Exhaust Fan

The stale humid or contaminated air is propelled through the exhaust vent exiting the home.

Furnace exhaust fan.

They re commonly used to reduce moisture and remove smoke and odors in restaurants residences shop and production floors and commercial buildings. If you have your furnace again or air conditioning fan set to auto your system s fan will run during the furnace s heating cycle only. Blowers have wire leads some have plugs no switches unless otherwise indicated. These blowers fans are sold as complete assemblies we do not sell any parts for these units note.

Exhaust fans force out stale indoor air so it can be replaced by fresh outdoor air. Exhaust fans mount through a cutout in a roof or wall. Remember that larger spaces will need more powerful ventilation to help filter out humid air mold mildew dust odors and chemicals from the room. Exhaust fans operate using electricity.

High efficiency gas furnaces have plastic vent pipes that extend to the outdoors to get rid of exhaust gases and bring in fresh air for combustion. Belt driven exhaust fans handle large volumes of air at. These fans must run whenever the furnace is lit and they often cycle when the furnace is not blowing warm air because the pilot light is always burning. Exhaust fans pull odors fumes and moisture from an area of the home venting them outdoors for removal.

These pvc or cpvc pipes can be inviting to rodents and birds especially in the winter as well as insects mostly in summer looking for a home. Vivosun 6 inch inline duct fan 240 cfm hvac exhaust intake fan low noise extra long 5 5 grounded power cord. The fan uses a motor to turn its blades which function to pull air out of the space. A central heating system with a gas furnace includes a fan to pull out the exhaust from the burning natural gas or oil used to heat the air.

Once you know that you need a ventilation fan that will cover a small medium or large range of square feet you should determine the sound level fan style and features you d like to have.