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Garbage disposal replacement costs an average of $550
The average cost to replace a garbage disposal ranges from $200 to $625, with most homeowners paying $550.
The horsepower rating, construction material, and feed mechanism significantly influence pricing.
Installation complexity, including any needed electrical work, affects the final project cost.
DIY installation can reduce garbage disposal costs, but professional replacement is highly recommended for safety and proper installation.
This article was created using automation technology and thoroughly fact-checked and edited by HomeAdvisor Editor Ryan Noonan.
A functioning garbage disposal helps maintain kitchen cleanliness while preventing potential plumbing issues. On average, most homeowners invest $200 to $625 on the cost to replace a garbage disposal, with various factors determining where your project falls within this range. The unit's power rating, material composition, and whether you choose professional or self-installation all play roles in the final expense.
Several key elements determine what you'll pay for your new garbage disposal system. Entry-level units are less expensive to replace, while premium features like stainless steel construction or higher horsepower will push costs upward. Regional differences in labor rates can also affect your total expense. Here’s a closer look at how your total breaks down.
The operational design of your disposal significantly impacts both usability and safety considerations.
| Feed Type | Description | Average Cost Range |
|---|---|---|
| Continuous | Operates while water flows and switch is activated | $75–$1,000 |
| Batch | Functions only when stopper is inserted, enhancing safety | $75–$300 |
Continuous-feed systems offer greater convenience for households that prepare meals frequently, though they present potential hazards if items accidentally fall into the running unit. Batch-feed models incorporate additional safety features by requiring activation with a stopper, making them suitable for homes with young children.
The motor's power rating correlates with the unit's processing capability and price point.
| Motor Size (Horsepower) | Household Size | Average Cost Range |
|---|---|---|
| 1/3–1/2 | 1–2 people, light use | $50–$225 |
| 5/8–3/4 | 3–4 people, moderate use | $120–$310 |
| 1–1 1/4 | 5+ people, heavy use | $200–$400 |
Selecting appropriate horsepower for your household size prevents premature wear. Larger families or those who cook extensively benefit from higher-powered models that can process greater volumes of food waste.
The construction material affects both the longevity and performance of your disposal unit.
| Material | Durability | Cost Range |
|---|---|---|
| Aluminum | Susceptible to corrosion over time | $75–$300 |
| Stainless steel | Resistant to rust, enhanced durability | $400–$1,100 |
Budget-conscious shoppers often select aluminum units for their affordability, though these may deteriorate faster in environments with hard water. Stainless steel models command premium prices but offer extended service life and often incorporate superior noise reduction features.
Expect to pay between $50 and $100 per hour for a professional garbage disposal installer to replace your unit.
After your new garbage disposal is installed, keep these ongoing operating costs in mind.
Routine maintenance helps extend your disposal's operational life. Basic cleaning using household vinegar or ice costs virtually nothing when performed regularly. Commercial drain treatments may cost a nominal amount if used periodically. Consistent maintenance prevents the need for professional intervention.
Garbage disposals use minimal electricity, operating on standard household current of 120 volts, drawing between five and 10 amps. The energy consumption adds negligibly to monthly utility bills. While some premium models advertise energy efficiency features, the difference in operating costs between basic and high-end units remains minimal.
When issues arise, professional garbage disposal repair service may be necessary. If your disposal stops working or develops problems, consult with a technician to determine whether repair or replacement represents the better value. For units approaching the end of their expected five to 10-year lifespan, the cost to install a new garbage disposal often proves more economical than investing in major repairs.
Many home warranty programs include coverage for garbage disposals, often requiring a service fee when claims are filed. Manufacturer warranties vary significantly by brand and model, with coverage periods ranging from one to 10 years. These protections can help offset future repair expenses should defects emerge during the covered period.
When planning for a new disposal unit, consider these cost-saving approaches:
Compare models and features at home improvement retailers to find the best value for your specific needs.
Select the appropriate horsepower based on your household size rather than automatically choosing the highest-powered option.
Investigate seasonal promotions as plumbers may offer discounted rates during slower periods.
Check for manufacturer rebates that could reduce your purchase price.
Prepare the installation area by clearing cabinet space before your professional arrives to minimize billable hours.
Professional garbage disposal installation provides peace of mind regarding proper connections and functionality, particularly important when electrical modifications are necessary. While DIY installation saves on labor costs, balancing upfront savings against long-term reliability helps determine the most cost-effective approach for your situation.
No place is more important than your home, which is why HomeAdvisor connects homeowners with local pros to transform their houses into homes they love. To help homeowners prepare for their next project, HomeAdvisor provides readers with accurate cost data and follows strict editorial guidelines. After a project is complete, we survey real customers about the costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
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