The best InSinkErator garbage disposals

InSinkErator is the brand most American kitchens already have under the sink, which makes a within-brand comparison more useful than it sounds: in many cases you are replacing one of these with another, the mounting ring is already compatible, and the question is only which model. The range splits into two families and one accessory.

Quick picks

Tap any row to jump to the full write-up. There are no scores here because we run no test lab — how picks are chosen is published in full on our methodology page.

#	Product	Best for	Our read	Price
1	InSinkErator Evolution .75HP Best overall	Households of three to five	3/4 HP, three stages, stainless grind, nine-year warranty	$239.99 · View on Amazon #ad Affiliate link · Price as of October 16, 2026
2	InSinkErator Evolution 1HP Best for large households	Large households, frequent jams	1.0 HP with the Jam-Sensor torque circuit	$355.86 · View on Amazon #ad Affiliate link · Price as of October 16, 2026
3	InSinkErator Badger 5 Best for tight cabinets	One or two people, tight cabinets	11-1/2 inches tall, 1/2 HP, the baseline	$110.90 · View on Amazon #ad Affiliate link · Price as of October 16, 2026
4	InSinkErator Evolution Cover Control Best batch feed	Households with small children	Magnetic CoverStart - cannot run with the drain open	$336.27 · View on Amazon #ad Affiliate link · Price as of October 16, 2026
5	InSinkErator SinkTop Switch (dual outlet) Best accessory	Kitchens with no wall switch	Air switch, works with any brand, dual outlet	$54.35 · View on Amazon #ad Affiliate link · Price as of October 16, 2026

Badger is the builder-grade family. The Badger 5 publishes 1/2 HP, a single grind stage, a 26 oz chamber, galvanized steel grind components with stainless swivel lugs, 11-1/2 inches of height and a five-year in-home warranty. It is an honest machine for soft scraps, and its short body is genuinely the reason to choose it in a shallow cabinet.

Evolution is the premium family. The .75HP publishes 3/4 HP, three-stage MultiGrind, stainless grind components, SoundSeal insulation and nine years of in-home warranty. Three stages and stainless are the two specifications that decide whether fibrous waste — celery strings, corn husks, artichoke leaves — grinds or wraps itself around the plate.

Put plainly: if nothing fibrous goes down your drain and the cabinet is tight, a Badger is the right buy. Everything else points at an Evolution. Badger 5 vs Evolution is the head-to-head in full.

The range here spans 11-1/2 inches for a Badger 5 to 14.95 for the batch-feed Cover Control — nearly three and a half inches of difference, all of it hanging below your sink drain. That space is shared with the tailpiece, the P-trap and the fall to the trap arm in the wall.

Measure before you buy horsepower you cannot fit. From the underside of the sink down to the center of the drain stub in the wall is the whole budget, and a deep sink bowl eats into it from above. Garbage disposal sizing and fit has the measurements, and how deep should a kitchen sink be is the other half of the same sum.

Product photograph supplied by Amazon for this listing, used under the Associates program.

1. Best overall

InSinkErator Evolution .75HP

InSinkErator · Best for households of three to five

The disposal we would fit in most houses. Three-quarters of a horsepower with three-stage grinding and stainless grind components is the point on the range where fibrous waste stops being a gamble, and SoundSeal makes it noticeably quieter than a Badger. The nine-year in-home warranty is the longest of any InSinkErator continuous-feed unit we checked.

Published specifications

Motor

3/4 HP Dura-Drive induction source

Grind stages

Three-stage MultiGrind source

Grind components

Stainless steel source

Overall height

12.25" source

Sound

SoundSeal — quieter than a standard disposal source

Septic

Safe for properly maintained septic tanks source

Warranty

9-year We Come to You limited service warranty source

What works

• +Three grind stages and stainless components — the two specs that decide whether fibrous scraps jam
• +Only three-quarters of an inch taller than a Badger 5, so it fits most cabinets that took one
• +Nine-year in-home warranty, which is a real statement about expected service life
• +EZ Connect cord and hardwire adapter in the box, so it suits either wiring situation

What does not

• −InSinkErator publishes no decibel figure, and neither do we — SoundSeal is a comparison, not a measurement
• −3/4 HP still stalls on bones and fruit pits; no domestic disposal is a bone grinder
• −Chamber capacity is not published for this model

Skip it if

Skip it if you are one or two people who scrape plates and little else — you would be paying for capability you will not use.

$239.99 · View on Amazon→

#ad Affiliate link · Price as of October 16, 2026

Raw specifications: InSinkErator’s own page for the InSinkErator Evolution .75HP.

Product photograph supplied by Amazon for this listing, used under the Associates program.

2. Best for large households

InSinkErator Evolution 1HP

InSinkErator · Best for large households, frequent jams

The full-horsepower option, and the only one here with a published jam-breaking mechanism: the Jam-Sensor circuit raises motor torque by 500% to clear a stall instead of tripping the reset. If you have a large household and a history of resetting a disposal weekly, this is what that problem costs to solve.

Published specifications

Motor

1.0 HP, single phase, 120 V, 60 Hz, 1725 rpm source

Grind stages

Three-stage MultiGrind, against one on a standard disposal source

Jam handling

Jam-Sensor circuit increases motor torque 500% to break jams source

Sound

SoundSeal, plus the Quiet Collar sound-reducing baffle source

Overall height

13" source

Weight

23.0 lb shipping weight source

Warranty

7-year parts and in-home service source

What works

• +Jam-Sensor is the one published feature that addresses the most common disposal complaint
• +The Quiet Collar baffle is included rather than sold separately, and the baffle is most of the perceived noise fix
• +1 HP with three stages handles the fibrous waste that stalls half-horsepower units
• +InSinkErator publishes a full spec sheet including amperage and RPM

What does not

• −13 inches tall and 23 lb — the largest unit here, and the most likely to foul a shallow cabinet or a P-trap
• −Seven-year warranty is shorter than the 3/4 HP Evolution's nine
• −1 HP does not make it a bone grinder; the failure point just moves

Skip it if

Skip it if your cabinet is shallow or your trap arm sits high — measure the 13-inch height before buying horsepower you cannot fit.

$355.86 · View on Amazon→

#ad Affiliate link · Price as of October 16, 2026

Raw specifications: InSinkErator’s own page for the InSinkErator Evolution 1HP.

Product photograph supplied by Amazon for this listing, used under the Associates program.

3. Best for tight cabinets

InSinkErator Badger 5

InSinkErator · Best for one or two people, tight cabinets

The baseline every other disposal is measured against, and an honest buy for a small household as long as you know what you are getting: half a horsepower, one grind stage, and galvanized steel grind components rather than stainless. It is short at 11-1/2", which is often the deciding factor in a shallow cabinet.

Published specifications

Motor

1/2 HP source

Grind stages

One source

Chamber capacity

26 oz source

Overall height

11-1/2" source

Grind components

Galvanized steel with stainless swivel lugs source

Motor speed

1725 rpm, 120 V, 60 Hz source

Warranty

5-year We Come to You in-home limited warranty source

What works

• +Shortest unit here at 11-1/2" — it fits cabinets a 1 HP unit cannot
• +Cheapest route to a working disposal from the brand with the best parts availability
• +Genuinely adequate for soft scraps: peelings, plate scrapings, coffee grounds
• +In-home warranty service rather than ship-it-back

What does not

• −Galvanized grind components, not stainless — this is the real difference between Badger and Evolution
• −One grind stage, so fibrous waste like celery and corn husks is where it stalls
• −No sound insulation of any kind, and the product page makes no noise claim

Skip it if

Skip it if you cook for four or more, or if anything fibrous goes down the drain. Buy 3/4 HP with three stages instead.

$110.90 · View on Amazon→

#ad Affiliate link · Price as of October 16, 2026

Raw specifications: InSinkErator’s own page for the InSinkErator Badger 5.

Product photograph supplied by Amazon for this listing, used under the Associates program.

4. Best batch feed

InSinkErator Evolution Cover Control

InSinkErator · Best for households with small children

The batch-feed pick, and the only disposal here that cannot run with the drain open. A magnet in the cover starts it, so there is no wall switch and no way for a spoon — or a hand — to be in the chamber while the motor turns. That is the entire argument for batch feed, and in a household with small children it is a good one.

Published specifications

Motor

3/4 HP Dura-Drive induction source

Feed type

Batch source

Grind stages

Three-stage MultiGrind source

Activation

Magnetic CoverStart — runs only when the cover is on source

Overall height

14.95" source

Warranty

9-year limited service warranty with in-home repair or replacement source

What works

• +Cannot run uncovered, which removes the one genuine safety failure mode of a continuous-feed disposal
• +No wall switch to install, a real saving if there is no switch there now
• +Same 3/4 HP three-stage grinding platform as the continuous-feed Evolution
• +Nine-year in-home warranty

What does not

• −At 14.95 inches it is the tallest unit here, and batch-feed bodies are wide as well as tall
• −You cannot feed scraps continuously while rinsing — the workflow is genuinely slower
• −The cover is a part that can be lost, and the disposal will not run without it

Skip it if

Skip it if you scrape a sink full of prep waste in one go and want to run water over it as it grinds. Buy continuous feed and an air switch.

$336.27 · View on Amazon→

#ad Affiliate link · Price as of October 16, 2026

Raw specifications: InSinkErator’s own page for the InSinkErator Evolution Cover Control.

Product photograph supplied by Amazon for this listing, used under the Associates program.

5. Best accessory

InSinkErator SinkTop Switch (dual outlet)

InSinkErator · Best for kitchens with no wall switch

The right way to add disposal control to a kitchen with no wall switch, because it moves no electricity: the button pushes air down a tube to a relay module under the sink. That is why it can sit in a wet countertop. It needs a 1-1/4" hole and a live outlet below, and it will not create power that is not there.

Published specifications

Type

Air-activated switch, mounts to sink or countertop source

Requires

AC power below the sink source

Hole size

1-1/4" diameter source

In the kit

33" power module cord, 6 ft air tube, chrome button source

Outlets

Dual — the second can power a hot water dispenser source

Warranty

1 year source

What works

• +No mains voltage at the button, which is precisely why it belongs near a sink
• +Works with any disposal, not only InSinkErator units
• +Dual outlet means it can also feed an instant-hot tank later
• +Installs in an existing soap-dispenser or sprayer hole on many sinks

What does not

• −Needs a 1-1/4" hole — in granite or quartz that is a diamond bit and a careful hand, or a trade call
• −Still needs a live outlet under the sink; it is a switch, not a power source
• −One-year warranty, the shortest of anything in this registry

Skip it if

Skip it if you already have a working wall switch. It solves a missing-switch problem, not a convenience one.

$54.35 · View on Amazon→

#ad Affiliate link · Price as of October 16, 2026

Raw specifications: InSinkErator’s own page for the InSinkErator SinkTop Switch (dual outlet).

The honest answer is: not mostly horsepower. The Evolution 1HP publishes a Jam-Sensor circuit that raises motor torque by 500% to break a stall rather than tripping the reset — the only published jam-breaking mechanism in the range, and a direct answer to the commonest disposal complaint. It also includes the Quiet Collar sound-reducing baffle rather than selling it separately.

What it does not do is grind bones. No domestic disposal does; 1 HP simply moves the point at which it gives up. And its warranty is seven years against the 3/4 HP unit's nine. If you reset a disposal weekly, the Evolution 1HP is what that problem costs to fix. If you do not, the .75HP is the better-warranted machine. 3/4 HP vs 1 HP is the full comparison.

The Evolution Cover Control is the same 3/4 HP three-stage platform in a batch-feed body. A magnet in the cover starts it, which means it physically cannot run with the drain open — no wall switch, no way for a spoon or a hand to be in the chamber while the plate turns. In a house with small children that is a real argument.

The costs are height — 14.95 inches, the tallest here — and workflow: you cannot feed scraps continuously while rinsing. Continuous feed vs batch feed weighs it properly.

• Buy the Evolution .75HP unless something specific points elsewhere. Three stages, stainless grind, nine-year warranty, fits most cabinets that took a Badger.
• Buy the Evolution 1HP if you have a large household and a history of resetting a disposal, and you have 13 inches of height.
• Buy the Badger 5 for one or two people, soft scraps only, and a cabinet that will not take anything taller.
• Buy the Evolution Cover Control if you want a disposal that cannot run uncovered and have the height for it.
• Add the SinkTop Switch if there is no wall switch — it works with any brand, not only InSinkErator.

If you want to look outside the brand before deciding, InSinkErator vs Waste King is the cross-brand comparison and the best garbage disposals is the open-field roundup.