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HVAC Blowers & Motors - Parts & Accessories - Fan Blades, Wheels & Impellers

Fan blades and impellers in HVAC systems are rotating components that move air to circulate conditioned air, but they differ in design and application: fan blades are typically straight or propeller-like structures in axial fans, pushing air parallel to the rotation axis in a straight-line flow for high-volume, low-pressure scenarios, such as condenser fans in outdoor AC units that expel heat by drawing air through the coil.

Impellers (also called blower wheels or centrifugal wheels) are enclosed or semi-enclosed assemblies with multiple curved blades—most commonly forward-curved (squirrel-cage style for residential furnaces and air handlers), backward-curved, or airfoil types—that draw air in axially and discharge it radially at 90 degrees, generating higher static pressure to overcome duct resistance and efficiently force air through filters, coils, and ductwork in indoor blowers.

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Need help finding the correct blower or fan kit for your fireplace? Let our experts help you track down the correct replacement blower, fan kit or part for your application. We typically only need the fireplace or stove's make and model to determine exactly what you need. This information can usually be found on gas fireplaces by removing the lower access panel and finding your fireplace's name tag or identificaton card. Wood inserts will often times have the same identificaton card, while freestanding stoves and others might have this information printed on a rear panel or door.

Once you've located your fireplace's brand and model information, simply use the Find Your Blower tool above, or the Help Find My Blower at the top of the page.

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