Thinking about upgrading your kitchen with an undermount sink? Great choice! They offer a sleek, seamless look that instantly elevates any kitchen design. But when it comes to dealing with food waste, you’ll want to pair that beautiful sink with a reliable garbage disposal. Finding the best garbage disposal for an undermount sink isn’t just about functionality; it’s also about ensuring a secure fit, minimizing noise, and maximizing convenience.
Undermount sinks don’t have a rim sitting on top of the counter, which means all the support for the sink, and whatever’s attached to it (like a garbage disposal), comes from underneath. This can put extra stress on your cabinetry and plumbing. That’s why selecting the right disposal – and potentially the right support – is crucial for long-term durability and peace of mind. In this guide, we’ll dive into some top-notch options, including standalone disposals, sink-disposal combos, and even essential support brackets, to help you make an informed decision. Let’s get grinding!
Our Top Picks for the Best Garbage Disposal for Undermount Sinks
Whether you’re looking for raw power, quiet operation, or a complete sink-and-disposal package, we’ve got you covered. Here are our reviews of 7 excellent choices that work wonderfully with undermount installations.
YOKUGO Medium Garbage Disposal Undermount Sink Support
While not a disposal itself, this YOKUGO support bracket is an absolute game-changer for anyone installing a garbage disposal with an undermount sink. It’s designed to take the strain off your sink and countertop, providing crucial stability and effectively combating the vibrations and noise that disposals can generate. If you want to ensure your undermount sink and its new disposal stay put and perform optimally, this support is a brilliant investment.
- NOISE REDUCTION & SHOCK ABSORPTION: Features a thick 10mm EVA mesh foam top and four non-slip pads to minimize vibration and noise.
- STURDY STAINLESS STEEL SUPPORT: Crafted from high-quality 304 stainless steel, ensuring rust-free and long-lasting durability even in wet environments.
- HEIGHT ADJUSTABLE BRACKET: Easily adjusts from 3.35 to 10.63 inches (8.5-27 cm) to fit most kitchen garbage disposals and cabinets.
- HIGH LOAD-BEARING STAND: Supports up to 135 lbs (60 kg), providing robust stability and preventing accidental drops.
- EASY TO USE: Simple, tool-free installation by just turning a lift button to adjust height and provide solid support.
Pros:
– Significantly reduces noise and vibration
– Enhances the stability and safety of your undermount sink setup
– Durable, corrosion-resistant stainless steel construction
– Highly adjustable to fit various disposal sizes
– Extremely easy, no-tool installation
Cons:
– It’s a separate purchase from the actual garbage disposal
– May take up a small amount of under-sink space
User Impressions: Customers frequently rave about how this support bracket instantly reduced the rattling and swaying of their garbage disposals, making their kitchens noticeably quieter. Many appreciate its sturdy build and the incredibly simple, tool-free installation process.
QruiLanTu Garbage Disposer Bracket Adjustable Shock Absorber
Another fantastic support option, the QruiLanTu bracket steps up the game with an even higher load-bearing capacity and extra-thick rubber padding. If you have a particularly heavy-duty garbage disposal or just want maximum assurance for your undermount sink, this robust bracket is built to impress. It’s a simple, yet highly effective solution for adding stability and quietness to your kitchen’s waste management system.
- SINK DISPOSER HOLDER: Made from thickened stainless steel for superior sturdiness, durability, and resistance to water and rust.
- NOISE REDUCTION AND ANTI-VIBRATION: Features extra-thick 4-inch rubber pads on top and four supporting feet to effectively dampen noise and vibration.
- UNIVERSAL ADJUSTABLE STAND: Height is adjustable between 3-10 inches (8-26cm) to fit most kitchen garbage disposals and cabinets.
- EXTRA LARGE LOAD BEARING: Capable of holding up to an impressive 300 lbs, preventing sink and disposal from sagging or falling over time.
- EASY INSTALLATION: Designed for tool-free installation, allowing for quick setup by hand.
Pros:
– Exceptional load-bearing capacity for even the heaviest disposals
– Superior noise and vibration reduction with extra-thick rubber pads
– Highly durable and rust-proof stainless steel construction
– Wide range of height adjustment for universal compatibility
– Very easy, tool-free installation
Cons:
– An additional purchase, not the disposal itself
– Its robust design might occupy slightly more under-sink space
User Impressions: Reviewers consistently highlight the QruiLanTu bracket’s incredible sturdiness and how well it stabilizes their garbage disposals, eliminating wobbles and significantly cutting down on operational noise. The ease of installation is a major plus for many homeowners.
KRAUS Kore Workstation 30-inch Undermount 16 Gauge Stainless Steel Sink with Integrated Ledge and 1 HP Garbage Disposal
Why buy separate when you can get a complete, high-end package? This KRAUS Kore Workstation sink isn’t just a sink; it’s a kitchen command center that comes bundled with a powerful 1 HP garbage disposal. The integrated ledge allows you to slide custom accessories, turning your sink into a prep station. This is the ultimate solution if you’re undertaking a full kitchen renovation and want a cohesive, stylish, and highly functional setup with the best garbage disposal for undermount sink integrated right in.
- STAINLESS STEEL WORKSTATION SINK: 30-inch L x 19-inch W x 10.5-inch D (16-gauge TRU16 stainless steel) with integrated ledge for accessories.
- SINK KIT INCLUDES: Stainless steel sink, 1 HP garbage disposal, heavy-duty bamboo cutting board, roll-up dish drying rack, protective bottom grid, drain assembly, and decorative drain cover.
- UNDERMOUNT INSTALLATION: Creates a seamless transition from sink to countertop for easy cleaning and a modern aesthetic.
- DURABLE 16 GAUGE SINK: Heavy-duty TRU16 gauge stainless steel offers long-lasting durability and a timeless appearance.
- 1 HP GARBAGE DISPOSAL: Included high-performance disposal ensures efficient food waste grinding.
Pros:
– Complete kitchen workstation solution with matching accessories
– High-quality, durable 16-gauge stainless steel sink
– Powerful 1 HP garbage disposal included
– Seamless undermount installation for easy cleaning
– Modern and elegant design elevates kitchen aesthetics
Cons:
– Higher initial investment due to being a complete kit
– Requires a minimum 33-inch cabinet size for installation
User Impressions: Homeowners absolutely love the versatility and luxury of this workstation sink. The integrated ledge system transforms their kitchen experience, and the included 1 HP disposal is praised for its power and efficient handling of food waste, making cleanup a breeze.
InSinkErator Power .75HP, 3/4 HP Garbage Disposal, Power Series with 2-Stage MultiGrind Technology
When it comes to garbage disposals, InSinkErator is a name synonymous with reliability, and their Power Series .75HP model lives up to that reputation. This unit is specifically engineered to prevent clogs, thanks to its innovative 2-Stage MultiGrind Technology that grinds food scraps finer than standard disposals. It’s a fantastic standalone option for those who want a powerful, dependable, and relatively quiet garbage disposal for their undermount sink.
- INSINKERATOR POWER .75HP: Features a 3/4 HP Dura-Drive induction motor for maximum durability and reliable performance.
- DESIGNED TO PREVENT CLOGS: Equipped with 2-Stage MultiGrind Technology to break down food scraps into very fine particles.
- DIY EZ CONNECT SINK GARBAGE DISPOSAL: USA-assembled with EZ Connect Hardwire Adapter, EZ Removable Dishwasher Inlet Plug, and Lift and Latch technology for straightforward installation.
- REDUCED SOUND AND COMPACT: Operates with lower noise levels compared to standard disposals and boasts a space-saving design.
- 6-YEAR LIMITED SERVICE WARRANTY: Backed by InSinkErator’s “We Come to You” limited service warranty for peace of mind.
Pros:
– Excellent grinding efficiency with 2-Stage MultiGrind
– Dependable and durable Dura-Drive induction motor
– Relatively quiet operation for a powerful disposal
– User-friendly EZ Connect installation features
– Long 6-year warranty with in-home service
Cons:
– EZ Connect Power Cord is sold separately
– Requires hardwiring or separate power cord purchase
User Impressions: Users consistently praise the InSinkErator Power Series for its ability to handle tough food waste without jamming, attributing it to the MultiGrind technology. Its quieter operation and the ease of installation also frequently receive positive remarks.
KRAUS Premier 31 1/2-inch Undermount Single Bowl 18-Gauge Stainless Steel Sink with WasteGuard 3/4 HP Garbage Disposal
Here’s another great KRAUS combination, featuring a spacious single-bowl undermount sink paired with their robust WasteGuard 3/4 HP garbage disposal. This setup is perfect for those who need ample sink space for large pots and pans, complemented by a powerful and efficient disposal for everyday food waste. It’s a smart choice for a busy kitchen, offering a sleek look with uncompromising utility, and another strong contender for the best garbage disposal for undermount sink integrated package.
- KITCHEN SINK EXTERNAL DIMS: 31 1/2″ L x 18 3/8″ W x 10″ D (18-gauge stainless steel) with generous single bowl dimensions.
- UNDERMOUNT SINK INSTALLATION: Creates a clean, seamless transition from sink to countertop, simplifying cleanup.
- POWERFUL PERFORMANCE: KRAUS WasteGuard Garbage Disposal offers fast and reliable grinding with a superior 3800 RPM to 3/4 HP ratio.
- EASY-INSTALL DISPOSAL: Features an EZLock 2-step mounting assembly for quick and secure installation.
- CONTINUOUS FEED DISPOSAL: Activated via wall switch or air switch (sold separately) for continuous shredding of large quantities of food waste.
- MOTOR-SAVING SHUT-OFF SYSTEM: Automatically stops power in case of blockage to prevent damage, with an easy-to-use reset button.
Pros:
– Expansive single bowl sink ideal for large cookware
– High-performance 3/4 HP disposal with impressive RPM
– Durable 18-gauge stainless steel sink construction
– EZLock mounting system makes disposal installation a breeze
– Built-in safety features like motor-saving shut-off
Cons:
– Wall or air switch for disposal is sold separately
– Sink is 18-gauge, which is slightly thinner than 16-gauge options
User Impressions: Customers love the large capacity of this KRAUS sink, finding it incredibly practical for meal prep and dishwashing. The included WasteGuard disposal receives high marks for its powerful and swift operation, effectively handling food scraps without issues.
KRAUS 31 Inch Undermount Single Bowl Black Onyx Granite Composite Sink with 3/4 HP Garbage Disposal
If you’re looking to add a touch of modern elegance and superior durability to your kitchen, this KRAUS Black Onyx Granite Composite sink with an integrated 3/4 HP garbage disposal is an outstanding choice. The granite composite offers the luxurious look and feel of natural stone with excellent resistance to impacts and heat, while the WasteGuard disposal handles food waste with powerful efficiency. It’s a statement piece that doesn’t compromise on performance, offering a sleek aesthetic alongside a robust garbage disposal for your undermount sink.
- OUTER SINK DIMENSIONS: 30.5″ L x 17″ W x 9.25″ D (Minimum Cabinet Size 33″); features an extra-deep basin.
- KIT INCLUDES: Black Onyx Granite Composite sink, basket strainer, Kraus kitchen towel, 3/4 HP garbage disposal, drain/dishwasher connectors, power cord, and mounting flange.
- HIGH-QUALITY GRANITE COMPOSITE: Made from 80% natural quartz and high-performance acrylic resin for exceptional durability, heat resistance, and a naturally sound-absorbing, non-porous surface.
- POWERFUL PERFORMANCE: KRAUS WasteGuard Disposal with 3800 RPM to 3/4 HP ratio and heavy-duty MagnaGrind permanent-magnet motor for instant power.
- CONTINUOUS FEED DISPOSAL: Activated via wall or air switch (sold separately) with motor-saving shut-off system and reset button for safety.
- UNIVERSAL DESIGN: Compatible with standard 3.5″ drain openings and 1.5″ plumbing connections.
Pros:
– Stunning black onyx granite composite sink provides a premium aesthetic
– Highly durable, heat-resistant, and naturally sound-absorbing sink material
– Powerful 3/4 HP MagnaGrind disposal for rapid food waste processing
– Complete kit with all necessary components, including power cord
– Seamless undermount installation and easy-to-clean non-porous surface
Cons:
– Requires a minimum 33-inch cabinet, potentially limiting installations
– Disposal activated by separate wall or air switch (not included)
User Impressions: Customers consistently praise the striking appearance of the black onyx sink, noting its high-end look and exceptional durability. The included garbage disposal is frequently commended for its strong performance and relatively quiet operation, making it a perfect match for the sophisticated sink.
Moen Prep Series PRO Continuous Feed Compact Garbage Disposal, 1/2 HP
For those with smaller under-sink spaces or looking for a straightforward, reliable replacement, the Moen Prep Series PRO is an excellent candidate. This 1/2 HP continuous feed disposal packs a punch with its Vortex motor while maintaining a compact design. Moen is known for quality, and this unit doesn’t disappoint, offering powerful food waste processing in a footprint that leaves more room for other essentials. It’s a great choice if you need a dependable and space-saving garbage disposal for your undermount sink.
- POWERFUL FOOD WASTE PROCESSING: Features a 2,600 RPM Vortex motor for fast, powerful grinding, significantly reducing disposal jamming.
- COMPACT DESIGN: The 1/2 HP disposal is lightweight for easy installation and maximizes valuable under-sink space.
- SIMPLE SWAP: Effortlessly replaces most existing garbage disposals, including non-Moen brands, thanks to its pre-installed power cord.
- SEPTIC SAFE: Safe to use with properly-sized septic tanks, making it versatile for various plumbing systems.
- ECO-FRIENDLY: Helps reduce waste sent to landfills, contributing to a greener home.
- BUILT TO LAST: Backed by a Moen 5-year limited warranty with in-home service.
Pros:
– Space-saving compact design ideal for smaller cabinets
– Efficient 1/2 HP Vortex motor handles everyday food scraps well
– Easy installation with pre-installed power cord for simple swaps
– Safe for use with septic tanks
– Reputable brand with a solid 5-year warranty
Cons:
– 1/2 HP may not be sufficient for very heavy-duty grinding needs
– Not as powerful as 3/4 HP or 1 HP options for extremely tough waste
User Impressions: Users highly recommend the Moen Prep Series PRO for its easy installation and compact size, which is a blessing in smaller kitchens. They also appreciate its reliable performance for daily food waste and the peace of mind that comes with the Moen brand and warranty.
FAQs About Garbage Disposals for Undermount Sinks
Got more questions about choosing and using a garbage disposal with your undermount sink? We’ve got answers!
Q1: What makes a garbage disposal “good” for an undermount sink?
A: While most standard garbage disposals can physically attach to an undermount sink, the “best” ones provide reliable, quiet operation and, ideally, come with features that enhance the overall undermount setup. This includes a robust mounting system, a powerful motor to prevent jams, and potentially a quiet operation to avoid excessive vibration which can be more noticeable with undermounts. Accessories like support brackets (as reviewed) are also excellent for added stability.
Q2: What horsepower (HP) should I look for in a garbage disposal?
A: For typical household use with an undermount sink, a 1/2 HP model is generally sufficient for light to medium grinding. However, if you do a lot of cooking, entertain frequently, or want to grind tougher food scraps like small bones or fibrous vegetables, a 3/4 HP or even a 1 HP model would be a better investment. Higher HP motors tend to be more powerful, less prone to jamming, and often quieter.
Q3: What’s the difference between continuous feed and batch feed disposals?
A:
* Continuous Feed: This is the most common type. You turn it on via a wall or air switch, and it runs continuously as you feed food waste into it. It’s convenient for larger amounts of waste and often more affordable.
* Batch Feed: This type requires you to load food waste into the grinding chamber, then place a special stopper or lid over the opening to activate it. It only runs for that “batch” of waste. Batch feed disposals are generally safer (no accidental activation while hands are in the sink) and often quieter, but less convenient for large volumes of waste.
Q4: How does a support bracket help my undermount sink and disposal?
A: Undermount sinks are supported from beneath the countertop, which can sometimes put stress on the counter material and cabinetry, especially when a heavy garbage disposal is attached. A support bracket or jack helps bear the weight of the disposal, distributing the load more evenly and preventing sagging or damage over time. It also helps dampen vibrations, leading to a quieter operation and increased stability.
Q5: Can I install a garbage disposal myself with an undermount sink?
A: Yes, many modern garbage disposals are designed for DIY installation, especially with “EZ Connect” or “Lift and Latch” features. However, it involves working with plumbing and electrical connections, so if you’re not comfortable, it’s always best to hire a professional plumber or electrician. Always turn off power at the breaker before starting any electrical work.
Q6: How can I reduce noise from my garbage disposal?
A: Several factors contribute to disposal noise. To reduce it:
* Insulation: Some disposals come with sound insulation.
* Support Bracket: Using a sturdy support bracket (like the YOKUGO or QruiLanTu options reviewed) can significantly reduce vibration and rattling.
* Proper Installation: Ensure the disposal is securely mounted to the sink flange and the drain pipes are fastened.
* Heavy Sink Material: Cast iron or granite composite sinks tend to absorb more sound than thin stainless steel.
* Run Cold Water: Always run a strong stream of cold water before, during, and for about 15 seconds after grinding to help flush food particles and reduce wear.
Q7: What kind of food scraps should I avoid putting down my garbage disposal?
A: To prolong the life of your garbage disposal and prevent clogs, avoid:
* Fibrous materials: Celery stalks, corn husks, artichokes.
* Grease or oil: These solidify and clog pipes.
* Coffee grounds: They accumulate and create sludgy clogs.
* Pasta, rice, potato peels: These expand with water and can jam the grinding chamber.
* Large bones or fruit pits: Too hard for most residential disposals.
* Non-food items: Plastic, paper, metal.
Final Thoughts
Choosing the best garbage disposal for your undermount sink is about finding that sweet spot between power, quiet operation, and a secure fit. Whether you opt for a standalone powerhouse like the InSinkErator, a compact and reliable Moen, or go for a stunning KRAUS sink-and-disposal package, adding a quality unit will make your kitchen cleanup significantly easier. Don’t forget those crucial support brackets if you’re looking for extra stability and noise reduction. Happy grinding!