Replacement air conditioner fans can be found online at Amazon.com and AirConditionParts.com, as of 2015. Fan blades for air conditioner condensers and other air handlers can also be found at BestBuyHeatingandAirConditioning.com.
Amazon.com sells a number of air conditioner replacement fan motors for brands such as Fasco, American Standard, Rheem and General Electric. Several fan motor capacitors are also listed on the site.
The Air Conditioning Parts website advertises replacement fans for all air conditioner makes and models. Buyers can contact the company by phone or email, or submit a short online form to get price quotes on replacement parts for specific models.
BestBuyHeatingandAirConditioning.com has a large selection of two-, three-, and four-blade fans for air conditioners as well as blades for commercial air conditioners.