HowStuffWorks: How Vacuum Cleaners Work
Graphic tutorial looks inside a vacuum cleaner and shows how it works.

Dirt Devil Vacuum Cleaners
Detailed information on Dirt Devil brand vacuum cleaners and carpet shampooers.

Appliance.com: Vacuums and Cleaners
Lists brands, features, describes new products, prices, specifications, and links to shopping sources.

Epinions: Vacuum Cleaners
Consumer-generated reviews, buying tips and advice, ratings, price information, and searchable in a variety of ways from price to product type.

Kirby Vacuum Cleaner Bags and Parts
Provides information and tips on finding vacuum cleaner bags and parts online.

HEPA-filter Vacuum Cleaners
Brief consumer comment on message board.

eHow: Vacuum Cleaner
How to choose a vacuum cleaner.

ConsumerSearch.com: Upright Vacuums
Identifies which products reviewers like and dislike, where they agree or disagree, and why.

Vacuum School
Features vacuum cleaner ratings, reviews, and information.