Home 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.

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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.

By Tom Harris

Without the refrigerator, you'd be salting your meat, tossing leftovers and drinking everything warm. Examine the inner workings of this food-preservation icon.

By Marshall Brain & Sara Elliott

Americans spend an estimated $250 million annually on air purifiers for their homes. Asthma and allergy sufferers are responsible for most of these sales. How can you benefit from owning an air purifier?

By Ed Grabianowski

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Make your kitchen feel like new with our instructions on sharpening knives and scissors; fixing china, porcelain, and glass; making a polish for brass, silver, and copper; and making new potholders out of old towels.

By Editors of Consumer Guide

A washing machine is actually an amazing device once you get inside. Learn about the agitator, the pumps, the controller and much more!

By Karim Nice

Thermometers are used in everything from medicine to cooking. Find out how thermometers gauge temperature and learn how to make your own!

By Marshall Brain

How can the same device keep hot things hot and cold things cold? Find out what goes on inside a Thermos!

By Marshall Brain

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You probably have at least one light that is controlled by two separate switches -- either switch can turn it on or off. Find out how the light knows what to do with two sources of input.

By Marshall Brain

The garbage disposal is often overlooked until it breaks down or starts to smell. Find out how to clean, fix and buy a garbage disposal with the help of this article.

The green movement is bringing tankless water heaters to the forefront of the appliance market. They last longer, don't take up much space and give you as much hot water as you want. Is there a catch?

By Charles W. Bryant

Your water heater's just bought the farm, and now you're in the market for a new one. Where to start? From fuel source to size, here's what you need to know.

By Charles W. Bryant

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Steam is a powerful cleaning agent. It sterilizes without detergent and can effectively detach dried-on muck from plates and cups. But do steam dishwashers live up to their hype?

By Jane McGrath

Ever wonder how a toaster knows when something is done? Does it pop it up regardless? Does it really care if you pick "Light" or "Medium" or "Dark"?

By Marshall Brain

What do chefs, bartenders and geneticists have in common? They all use blenders. A blender is an appliance you can't live without if you want to turn solid ingredients into liquid deliciousness.

By Emilie Sennebogen

Appliances are built to perform. They work hard, usually without too many problems. When an appliance breaks down, you may be completely at a loss. Learn how to repair major household appliances.

By Fix-It Club

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Gas and electric ovens operate fairly simply, and they're usually easy to repair, mainly because the components are designed for quick disassembly. Learn how to service and repair gas and electric ovens.

By Fix-It Club

Central air and window conditioners require routine maintenance to keep them operating at peak efficiency. It's important to know how a system's main parts function. Learn to troubleshoot a central air and room conditioner system.

By Fix-It Club

Before you toss out that malfunctioning hair dryer, toaster, or other small appliance, make sure the problem isn't an easy one to fix. Learn troubleshooting tips for all types of small appliances.

By Fix-It Club

Burned chunks or gooey paste can be the disappointing result of rice gone wrong, but a rice cooker can even the odds for even the klutziest cooks in the kitchen.

By Jessika Toothman

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Washing machines make the work of getting your clothes clean so much easier than laundering them by hand. How do these machines mix duds and suds so effectively?

By Stephanie Crawford

Lots of people like the relaxing massage they get from the water jets in a hot tub. But some people prefer a gentler touch. How are air tubs different from whirlpools?

By Dan Fontaine

For busy families, every minute in the kitchen counts. But for some chefs, it's less about how long it takes to cook and more about how long it takes to clean. That's where nonstick cookware comes in.

By Jessica Brown

Everyone loves a fire. But the chopping and storing and constant stoking of firewood can be a drag. Now there's an alternative that's not only more convenient, but also cost-effective and environmentally friendly: the wood pellet stove.

By Emilie Sennebogen

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Getting your oven dirty is easy. Getting it clean again is another matter entirely. Self-cleaning ovens sound good, but do they really work as well as their makers promise?

By John Kelly

Many new freezers have features to prevent frost and digitally monitor temperatures, but the technology has been evolving for years. How do freezers keep your food from spoiling?

By Brian Boone