Hobbies and Crafts How much does a ride on aerator cost? How much does a ride on aerator cost? Based on a survey of 12 different aerators and 9 different rental companies, the average cost to rent a motorized aerator for a day is approximately $92. The cost ranges between $58-$205 dollars per day and is based on the size. Related Posts:How do I know what size my faucet aerator is?Best Pull Behind Aerators: Key Features Compared - Thriving Yard.How do I increase the water flow in my sink?How do I change a faucet filter?