The Best Guide to Choosing the Perfect Garbage Disposal for Your Home

A garbage disposal is one of those kitchen appliances that makes life easier—until it stops working. Whether you’re upgrading your current unit or installing one for the first time, choosing the right model can be overwhelming.

With various horsepower ratings, feed types, and materials, it’s essential to pick a disposal that fits your household’s needs. This guide will walk you through everything you need to know, from how garbage disposals work to selecting the best model for your home.

What Is a Garbage Disposal?

A garbage disposal is an electrically powered appliance installed beneath your kitchen sink. It grinds food waste into tiny particles that flow through your plumbing system. This reduces food waste in landfills and helps keep your kitchen clean.

Signs It’s Time to Replace Your Garbage Disposal

Before shopping for a new model, check if your current unit can be repaired. Here are some signs that it may need replacing:

• Frequent clogging or jamming
• Needing constant resets
• Leaks or cracks
• Strange noises like grinding metal
• Foul odors that won’t go away

If your disposal is more than 10 years old and showing these symptoms, it’s time for an upgrade.

Key Considerations When Choosing a Garbage Disposal

Space & Compatibility

Garbage disposals fit standard kitchen sink drain holes. However, their size varies, so check your under-sink space before buying.

If you have a septic system, look for models labeled as septic-safe. Some include an enzymatic reservoir that helps break down waste efficiently.

Material & Durability

Higher-quality disposals use stainless steel for grinding components. These last longer and resist rust better than plastic or galvanized steel parts.

Horsepower (HP) Rating

The motor size determines how well your disposal handles food waste. Here’s a quick breakdown:

• 1/3 HP – Small and budget-friendly, but prone to jamming. Best for occasional use.
• 1/2 HP – Ideal for singles or couples who generate minimal food waste.
• 3/4 HP – A balanced choice for most households, handling fibrous foods with ease.
• 1 HP – Perfect for large families or frequent cooking, capable of grinding tough waste like bones.
• 1.25+ HP – Found in commercial kitchens or very large households.

Feed Type: Batch vs. Continuous

There are two main types of garbage disposals:

Batch Feed

• Works only when the stopper is in place.
• Safer for homes with children.
• Usually more expensive and slower to operate.

Continuous Feed

• Starts with a wall switch and runs until turned off.
• Allows you to add food waste while it’s operating.
• More affordable but riskier if kids are around.

Noise Level

Some garbage disposals have sound insulation to reduce noise. Models with stainless steel grinding components and better insulation are quieter. If noise is a concern, look for units with sound-deadening features.

Power Cord & Installation Needs

Some garbage disposals don’t come with a power cord, requiring you to buy one separately. Also, some units are designed for hardwiring, meaning they need professional installation.

Price & Warranty

Garbage disposals range from $100 to $300, with more powerful models costing more. Most warranties last 1 to 10 years—longer warranties typically come with higher-end units.

Where to Buy a Garbage Disposal

Online vs. In-Store

Online retailers offer a wider selection and competitive prices. Always check return policies before purchasing.

Home improvement stores provide same-day availability, but selections may be limited.

Installation Costs

Replacing an existing unit costs around $150–$200.

First-time installation, including electrical setup, typically costs about $500.

How to Extend the Life of Your Garbage Disposal

• Run cold water while using it to help flush out debris.
• Avoid fibrous foods like celery and corn husks, which can jam the blades.
• Use citrus peels to eliminate odors and freshen up the unit.

Final Thoughts

Choosing the right garbage disposal depends on your household size, cooking habits, and budget. If you cook often or have a large family, opt for 3/4 HP or higher. For safety-conscious buyers, a batch feed model may be the best choice.

Whatever model you choose, a garbage disposal is a great investment for a cleaner, more efficient kitchen.

Call 1-Tom-Plumber 

Don’t hesitate to contact us here or call us at 1-Tom-Plumber (1-866-758-6237) if you need any plumbing, drain cleaning, water damage, or excavation service. 1-Tom-Plumber’s certified team of plumbers and drain technicians respond immediately to any emergency plumbing, drain cleaning, or water damage problem. We also handle the excavation of underground water lines and sewer main lines. Our immediate-response team is available every day and night of the year, even on holidays.