How Much Does Garbage Disposal Installation Cost?
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When the garbage disposal stops functioning as it should, the issue should be addressed quickly to avoid further complications. Homeowners can expect to pay an average garbage disposal installation cost of $400, or between $150 and $950.
- Typical Range: $150 to $950
- National Average: $400
Garbage disposals make it simple to dispose of food waste so it doesn’t take up room in the garbage can or leave an odor behind in the sink. These compact appliances grind food into tiny pieces that end up in either a septic tank or sewer system, depending on the home’s plumbing system. Most units are installed beneath the sink, so they’re out of sight. Garbage disposals come in different sizes and materials, and since there are different features to choose from, homeowners can choose a custom garbage disposal that truly meets their needs.
But like any other appliance, garbage disposals can break down over time. If a replacement is the best action to take, homeowners can expect to pay an average garbage disposal installation cost of $400. They may pay as little as $150 or as much as $950, depending on the size of the unit and how complicated the installation is.
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Factors in Calculating Garbage Disposal Installation Cost
So how much does a garbage disposal cost? There are actually several factors that go into determining the cost to install garbage disposal units. For instance, the size of the unit is one of the main factors that determine the final installation cost, along with the type of material used to construct the unit. When factoring in labor, plumbing modifications and new electrical outlet installation can influence the cost. Homeowners can use the following factors as a cost-estimate guide when replacing a garbage disposal.
Unit Feed Type
Homeowners can choose between two main types of garbage disposals. The more common type is a continuous-feed style. It’s typically operated by a wall-mounted switch and, as the name suggests, runs continuously when it’s switched to the “on” position. Continuous-feed garbage disposals cost between $75 and $1,100.
The second type of garbage disposal is a batch-feed design, which requires a few extra operational steps. First, the unit is loaded with waste. Then, a stopper must be placed into the disposal’s opening before it will turn on. This makes the unit safer for both falling utensils and tiny hands, but it does take a bit longer to process waste. A batch-feed disposal costs between $75 and $300.
Unit Material
A garbage disposal unit’s material significantly affects the unit’s cost. There are two main types of materials used to make garbage disposals: aluminum and stainless steel. Both are available in continuous- and batch-feed designs, as well as in multiple sizes.
Aluminum disposal models cost between $75 and $300. While they’re affordable, they also tend to have a shorter lifespan (around 10 years). They’re also prone to corrosion and leaks. Stainless steel units range from $400 to $1,100. The higher price tag of a stainless steel disposal can scare off consumers, but these units can stand up to the needs of high-volume households with no risk of corrosion or leaking.
Unit Brand
Just like all kitchen appliances, the best garbage disposals are available from multiple brands. This offers homeowners plenty of options within multiple price ranges. Some common garbage disposal brands include Waste King, Moen, and InSinkErator. Waste King offers units as low as $75 and as high as $400. Moen features units between $80 and $300, while InSinkErator has a narrower price range between $100 and $200.
Motor Size
Motor size significantly affects garbage disposal cost. Garbage disposals come in a large variety of sizes, with the smallest designed for single households and the largest for commercial kitchens. Homeowners should aim to purchase a unit designed for their size household to avoid paying more than necessary or overworking a motor. A one- or two-person household should only need a garbage disposal with a ⅓- or ½-horsepower motor, which costs between $75 and $200, while a five- to eight-person household would benefit from a garbage disposal with a 1- horsepower motor, which costs between $200 and $500.
Labor
The steps for replacing an existing unit are fairly universal. The unit is disconnected and removed. The new unit is leveled, secured, and connected to the power supply. After testing, the job is complete. This process results in a basic labor fee. But when a garbage disposal is installed for the first time, pipes may need to be shortened or an outlet may need to be installed. Homeowners can expect to pay higher labor costs for a more complicated job that requires additional labor hours. On average, labor costs run between $50 and $200 after the cost of the disposal unit and materials.
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Electrical Work
Garbage disposals require a grounded electrical outlet for power. A new garbage disposal installation may require a new outlet to be installed, which can increase the overall installation cost. A new grounded outlet installation costs around $120 to $165. If an outlet is already installed (for a dishwasher, for example), it’s possible to run a disposal off the same outlet, but only if the two appliances won’t exceed the circuit capacity. If a new outlet is needed, homeowners should keep in mind that installing a new outlet is a job only an experienced electrician should handle.
Geographic Location
Different geographic locations result in fluctuating average labor costs. The national average cost of labor for a garbage disposal installer is $75 per hour. For homeowners in San Francisco, California, $140 is the average install garbage disposal cost. Homeowners in the Washington, D.C., area can expect to pay more—as much as $250 for the same job—while homeowners in Chattanooga, Tennessee, can expect to pay much less at $125.
Additional Costs and Considerations
Garbage disposals help make dinner cleanup simple and protect a home’s plumbing system. While they offer multiple benefits and can help save a homeowner from clogged pipes or smelly situations, they don’t last forever. But how much does it cost to replace a garbage disposal? Here are a couple of additional factors that affect cost for homeowners to consider when estimating garbage disposal replacement cost.
Repair vs. Replacement
Sometimes a garbage disposal can be repaired instead of replaced. If that’s the case, a quick repair is likely to cost less in materials than the cost of a new unit for a replacement. However, a simple repair can spiral out of control if other issues are discovered. As with other appliances, a garbage disposal can only last so long. With garbage disposal units available in affordable price ranges, a professional may suggest a replacement instead of a repair to save money in the long run.
Old Unit Removal
A contractor will likely include the removal of an old unit in their labor costs. If the unit isn’t easily accessible or if it is severely corroded, the job could be more difficult, resulting in higher labor costs.
Additional Outlet Installation
In kitchens with dishwashers, it’s common for an outlet to already be located beneath the sink. A garbage disposal can also use the same outlet, as long as running both simultaneously won’t blow a fuse. If a disposal unit’s required power is too high, an additional outlet will need to be installed. In the case of no outlets being present, again, an outlet will need to be installed. Both scenarios can raise the price of a garbage disposal installation between $120 and $165.
Customizations
Besides the garbage disposal’s materials and motor size, homeowners can choose between multiple customizations and features. For example, a sink baffle tacks on $55 to $75 and helps muffle the loud sound a disposal can make. Anti-jamming technology can also raise the price of a unit. If a homeowner wants the dishwater from their dishwasher to run through the disposal unit, a drain connector will raise the new garbage disposal cost about $12. Sink flanges that seal units to prevent odors cost around $30.
Warranty Coverage
A garbage disposal unit typically includes a warranty of at least 2 years. This protects the homeowner against manufacturing defects. But with the average lifespan of a garbage disposal being 12 years, it might be worth paying for an extended warranty on a unit, which typically increases the cost to replace garbage disposal units. It helps to note that even with an extended warranty, regular maintenance is recommended, as this can help extend the life of a garbage disposal and prevent common malfunctions.
Types of Garbage Disposals
How much does it cost to install a garbage disposal? One of the main factors determining the answer to this question is the type of unit a homeowner chooses. Here’s a breakdown between the two main types of garbage disposals available.
Continuous Feed
Continuous-feed units are the most popular types of garbage disposals and have wide price ranges based on motor size and features. When choosing a continuous-feed unit, homeowners can expect to pay between $75 and $1,100. These garbage disposals are convenient because they work constantly and do not need to be covered to operate (though they do need constant running water). Once the unit is switched on, waste can continuously be pushed through, making cleanup quick and simple. The biggest drawbacks with this type of disposal are the potential for wasted water and the potential safety hazard of continuously spinning blades.
Batch Feed
Batch-feed disposal options are more affordable with a price range of $75 to $300. Besides the lower price tag, the biggest advantage of batch-feed garbage disposals is that they’re safer because of their operation process. The unit is filled with waste, covered, and then turned on. It can take time for the waste to be processed, but because it’s impossible for hands and fingers to find their way into a batch-feed garbage disposal, it’s often a popular choice for households who prefer safety over speed.
Do I Need to Replace My Garbage Disposal?
A garbage disposal, when properly installed and maintained, can last up to 12 years. When a unit does start to show signs of wear and tear, it’s important to have it inspected sooner than later, especially if there’s a water leak. Here are some common signs that it’s time to replace a garbage disposal.
Excessive or Abnormal Noise
A humming noise can be an easy-to-spot sign that a garbage disposal needs to be replaced. This sound means power is reaching the unit but the motor is either struggling or dead and can’t turn on.
An excessively loud noise could mean a foreign object, like a utensil, has slipped into the disposal and is blocking the blades. Trying to pull something out from a disposal can be very dangerous. The power should always be turned off to the unit (from the breaker, not just the unit’s power switch) before anyone, professional or novice, reaches into a disposal. But if nothing is blocking the blades, a misalignment within the components could be to blame.
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Persistent Odor
Old and wet food can quickly fill a kitchen with a less-than-pleasant odor. This shouldn’t be an issue with garbage disposals, as they’re designed to be easily flushed as they operate. That’s why a foul odor coming from a disposal can be a sign it’s not functioning properly. Solvents can damage disposal blades, so it’s recommended that a professional take apart the appliance and thoroughly clean and inspect it to eliminate any foul smells.
Frequent Resets
Garbage disposals come equipped with a reset button to restore electrical power if the motor overloads and trips a breaker. It’s not uncommon to have to hit the reset button from time to time, but if it seems to be happening more often, there could be a serious issue with the unit. It could either be a motor getting weaker with age or loose wiring. Both issues likely require the assistance of a professional.
Poor Performance
When a garbage disposal’s blades begin to dull or the motor begins to weaken over time or from excessive use, it can take longer for the unit to process waste. A garbage disposal that’s operating more slowly than usual should be inspected by a professional as soon as possible. If the unit won’t turn on at all (and the electricity is working properly) or continuously shuts off while in use, it’s likely time for a replacement.
Recurring Clogs and Jams
With proper use, a garbage disposal shouldn’t clog. So if a unit is routinely clogging or jamming, these could be signs of wear and tear. Dull blades could be the issue, especially if a unit is older. But if the unit in question is fairly new, clogs and jams could be a sign of an undersized motor being overworked. Larger households tend to have more waste and therefore need a garbage disposal with a larger motor to keep up without clogging.
Water Leaks
A small pool of water beneath a garbage disposal can signal an interior crack or the presence of corrosion (even if visual inspection doesn’t show any). This is especially common with models made from aluminum and is a result of standard wear and tear. The only way to remedy a leaking garbage disposal is to replace the unit.
Benefits of Garbage Disposal Installation
While it is certainly possible to live without a garbage disposal, installing one can provide several clear benefits. A garbage disposal is a convenient appliance that can help reduce kitchen odor, protect drains and pipes, and reduce the amount of food waste in landfills.
Reduced Landfill Waste
Without a garbage disposal, food waste likely ends up in the trash can, which in turn goes straight to the landfill. Food scraps don’t break down easily when they’re buried in landfills, which can lead them to release excessive methane gas into the atmosphere.Installing a garbage disposal can be an easy way for homeowners to decrease their kitchen waste while also reducing their impact on the environment.
Odor Reduction
When food scraps linger in the garbage can, they can cause an unpleasant odor that can be difficult to get rid of, even after the homeowner has taken out the trash. A garbage disposal helps eliminate odor from food waste by preventing the scraps from going in the trash in the first place.
Kitchen Drain Protection
Even the smallest food scraps can cause drain and pipe blockages if they are accidentally washed down the sink during dinner clean-up. A garbage disposal grinds up the food scraps until they are liquid, which washes easily down the pipes without causing any blockages. This can help protect drains and pipes and lengthen their life.
Added Convenience
Cleaning up after dinner can involve several trips to the garbage can to get rid of food waste. While that might not sound like a huge inconvenience, it can add time and stress to the process. A garbage disposal makes it easier for homeowners to get rid of leftover food as part of the dish cleaning process, which gives them time back to relax and unwind in the evening after a busy day.
Garbage Disposal Installation: DIY vs. Hiring a Professional
For the homeowner with the right tools and experience, replacing a garbage disposal isn’t an impossible task. Homeowners who have a thorough understanding on how to safely replace a garbage disposal can save on the labor costs of a replacement. However, in many cases it’s worth paying a professional to make sure the garbage disposal is correctly and safely installed.
The cost to replace garbage disposal units has a wide range, with units starting at under $100 and soaring to more than $1,000. T