WHAT'S INSIDE: APPLIANCES

Home appliances make life easier, but what's really going on inside them? HowStuffWorks Home Appliances articles take a look inside common household appliances.
  • All-in-One Products
  • Appliance Repair
  • Bath and Laundry
  • Energy Efficient Appliances
  • Household Appliances
  • Kitchen Appliances
  • New Appliances
  • Vacuum Cleaners and Systems
FEATURED: APPLIANCES

A regular light switch takes care of off and on. A dimmer switch handles off, on and everything in between. Find out what this clever switch does with electrical current.

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You probably don't give it much thought until the shower goes cold, but water heaters are part of our daily lives. Find out how these ever-important appliances produce hot water -- and what may be wrong if they don't.

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