Garbage disposals are the unsung heroes of many a kitchen. Mounted beneath the sink drain, these devices pulverize food waste into tiny bits so you can easily wash it away. As a result, less food winds up in your trash can, helping you cut down on funky odors and pests. The finer the disposal grinds the scraps, the less environmental impact they have once they enter the waste stream.

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The least expensive garbage disposals in CR’s latest tests cost around $63. “On the lower end of the price range, you’ll see disposal motors with one-third horsepower and a shorter one-year warranty,” says Larry Ciufo, who oversees the testing of garbage disposals at Consumer Reports. “Typically, more money buys you more power, less noise, sturdier stainless steel components, and auto-reversing grinders that help prevent jams.” That said, a high price doesn’t guarantee great performance. The most expensive model we tested, the InSinkErator Evolution Excel, costs more than $800 and offers just a middling performance.

Garbage disposals fall into two categories: continuous-feed and batch-feed. 

Continuous-feed disposals are the most common. These operate with a wall switch and allow you to toss in scraps while they’re running. They will continue to grind until you flip the switch off, and they require some caution to make sure that fingers and small utensils remain clear of the opening.

Batch-feed disposals are less common and grind food in batches with a twist or a push on a stopper that covers the opening. Because of the stopper, batch-feed disposals are safer, quieter, and require no extra electrical wiring beyond powering the under-sink unit. Batch-feed disposals typically offer more horsepower than continuous-feed models but are generally more expensive. Because they operate only when covered, there’s less risk of injury.

We don’t track data on the predicted reliability of residential garbage disposals, but according to the Association of Home Appliance Manufacturers, they usually last about 12 years. Your current model might be ready for replacement if you notice it taking longer to grind or making louder-than-usual noises, or if you need to press the disposal’s reset button often.

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CR members can read on for ratings and reviews of the best-performing garbage disposals from our tests, listed alphabetically in each category. We find that how well a garbage disposal performs varies even within the same brand. You’ll find models from a single manufacturer at the top as well as the bottom of our ratings. See our garbage disposal buying guide for tips on choosing one, and for test results on more than 60 models, check our full garbage disposal ratings.

How CR Tests Garbage Disposals
Consumer Reports bases the ratings of garbage disposals on several tests.

To test speed, we grind pieces of beef rib bones for 1 minute with cold running water and then weigh how much food remains in the disposal. The more food that’s left, the longer it takes to grind—and the lower the score on this test.

To see how thoroughly the disposals grind food, we toss a mix of bones and raw vegetable scraps into each model and run the resulting fragments through four different-sized sieves to gauge fineness. A garbage disposal that garners an excellent rating in that test turns out food particles fine enough to slip through most of the sieves. The bigger the bits left over, the greater the chance the kitchen sink drain will clog, resulting in a lower score on this test.

For noise, we measure the decibels emitted while the disposals grind a mix of bones and vegetables, using a panel to simulate the buffering effect of a cabinet. In general, we find that the quieter models are heavier due to more insulation.

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