The best prices on Air Innovations humidifiers can be found through Amazon.com and The Home Depot. Both websites feature refinement options to limit search results to a specific price range. They also have sorting options to force the lowest prices to appear at the top of the list.
Amazon.com also has refinement options for used and refurbished product that may be sold at a lower price than new items sold directly by Amazon. Users can further filter results by discount amount.
The Home Depot has free shipping to home and store for these products, which reduces the total final price.