Highly-rated vacuums for wood floors include the Shark Rotator Powered Lift-Away, Bissell Hard Floor Expert Deluxe, Miele Classic C1 Olympus and the Eureka Mighty Mite 3670G. The most important features hardwood vacuum should have are rubber stripe padding, strong suction power and no beater brushes,.
As of June 2015, the Shark Rotator Powered Lift-Away costs around $230 and comes equipped with a detachable canister, a motorized brush roll that can be turned on and off and numerous attachments, such as a power brush and extra straight suction floor nozzle.
The Miele brand of vacuums are specially designed to be used on hardwood flooring. They range in price from about $330 for a Miele S2121 Olympus canister vacuum to around $1,500 for a Miele S8990 UniQ canister vacuum.