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How to Choose the Right Horsepower Garbage Disposal

How to Choose the Right Horsepower Garbage Disposal

How to Choose the Right Horsepower Garbage Disposal Dec 03, 2025

Horsepower Matters: What Size Garbage Disposal Do You Really Need?

Choosing a new garbage disposal isn’t just about picking a brand or finding something within your budget. One of the most important decisions you’ll make is selecting the right horsepower (HP). The size of your garbage disposal determines how efficiently it grinds food, how long it lasts, and how well it keeps your kitchen drain clog-free. But with so many options—? HP, ½ HP, ¾ HP, 1 HP, and even more—how do you know which one actually fits your home?

At Rooter Man Plumbing, we’ve been installing new garbage disposals and replacing outdated ones for decades. Our experts understand the important factors to consider when selecting the perfect garbage disposal for your home or restaurant. If you’re looking for a reliable plumbing repair service to install and service your garbage disposal, look no further than Rooter Man Plumbing. Read on to learn more about why horsepower matters and the key considerations when you’re choosing a garbage disposal.

Why Horsepower Matters

The horsepower rating determines how powerful the motor is and how effectively it can grind food scraps. Higher horsepower means:

  • Finer grinding
  • Fewer clogs
  • Less strain on the motor
  • Quieter operation
  • Longer lifespan

Low-horsepower units can work for light use, but if your household regularly cooks or disposes of tougher scraps, investing in more power will save you from frequent jams and premature replacement.

1/3 HP: The Basic, Bare-Minimum Option

Garbage disposals in this range are the smallest and cheapest, but also the weakest. They are designed for:

  • Very light, occasional use
  • Small households (1–2 people)
  • Limited food waste

However, they jam easily, struggle with fibrous foods, and tend to wear out faster. Many plumbers in Tacoma, WA consider ?-HP models entry-level units that should only be used when budget is the top priority.

Best for: Apartments, rental units, or households that rarely use the disposal.

½ HP: A Better Low-End Choice for Small Households

A ½-HP motor offers noticeably more reliability and grinding ability without a big jump in price. These models work well for:

  • Small families
  • Moderate food waste
  • Everyday use with softer scraps

Still, they may struggle with tougher materials like small bones, fruit pits, or dense vegetable peels unless you feed them slowly.

Best for: Light to average use in small households.

¾ HP: The Most Popular and Practical Size

If you want the perfect balance of power, value, and durability, ¾ HP is the sweet spot. These disposals handle a broad range of food scraps with fewer clogs and smoother operation.

They can grind:

  • Most vegetable scraps
  • Small bones
  • Fibrous foods like celery
  • Leftovers from regular cooking

Most ¾-HP models also come with better sound insulation and stainless-steel components for long-lasting performance.

Best for: Average households of 3–5 people and anyone who cooks regularly.

1 HP: High Power for Busy Kitchens

If your family cooks frequently or disposes of heavier food waste, a 1-HP garbage disposal is worth the upgrade. These powerful units can handle:

  • Chicken bones
  • Tough vegetable peels
  • Larger scraps
  • Frequent daily use

They’re also quieter and more durable because they’re built with higher-quality materials.

Best for: Large families, home chefs, or those who want premium performance.

1+ HP: Heavy-Duty for Maximum Grinding

Models above 1 HP are typically found in commercial kitchens, but some homeowners prefer them for their unmatched power and quiet operation. They can handle virtually anything without jamming.

Best for: Large households that cook heavily and want top-tier performance.

Do You Need Garbage Disposal Replacement? Contact Rooter Man Plumbing Today

If your garbage disposal has reached the end of its lifespan, call the team at Rooter Man Plumbing to help you replace the appliance. An aging kitchen sink disposal is more likely to break down, cost you a lot of money on frequent repairs, and even lower the value of your home. Our plumbers have the expertise, knowledge, and experience to fix and replace all makes and models of garbage disposals. You should never attempt to repair or replace your garbage disposal if you’re not a qualified plumber. Contact us now to book an appointment for garbage disposal replacement or repair.

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Fast friendly service. Family-owned business. Very happy with my home repair

Gina Kneeland Tacoma, WA

Quick response from initial call and Jared arrived early the next morning to fix our broken spigot, during a time where the cold weather has been wreaking havoc on homeowners and commercial properties frozen pipes.

Robby G. Tacoma, WA

No-nonsense, very communicative, transparent in work scope. I used them for a very small project, but they seem very knowledgable about older style plumbing. I will be using them from now on.

Noah Schenirer Tacoma, WA

Rob from Rooter-Man and his team did an outstanding job on replacing our graywater piping in our crawl space. I thought their pricing was fair, and he gave a clear explanation on what it would take. I now have a plumber I can count on.

Paul Barnard Tacoma, WA