Garbage disposals are a common fixture in many modern kitchens, offering convenience and efficiency in dealing with food waste. These under-sink appliances grind up food scraps, allowing for easy disposal through the plumbing system. This guide explores the pros and cons of garbage disposals, helping you decide whether this kitchen tool is right for your household.
Pros
- Easier clean-up
- Pipe Protection
- Inexpensive
- Work almost everywhere
Cons
- Require careful use
- Clogs, jams, and breakdowns
- Regular maintenance required
Pros of Garbage Disposals
Garbage disposals offer several benefits that make kitchen tasks more manageable and efficient. Here’s a closer look at the advantages of a garbage disposal system in your home.
Easier Clean-Up
With a disposal unit installed, you can scrape small amounts of uneaten food directly into the sink. This speeds up the post-meal clean-up process, reducing time spent in the kitchen and minimizing the risk of dropping food scraps on the floor while transporting dishes. The ease of managing food waste encourages a more effortless, efficient kitchen experience, making meal preparation and cleaning less tedious tasks.
Pipe Protection
Contrary to what you might think, garbage disposals protect your plumbing system. Food scraps are less likely to block your pipes when ground down into small particles. Garbage disposals are particularly beneficial if you already frequently rinse food debris down the drain. Over time, scraps can accumulate and lead to clogs, but garbage disposals minimize this risk by breaking down the waste before it enters the plumbing system. A garbage disposal system also reduces unpleasant odors emanating from decomposing food stuck in the pipes, contributing to a cleaner and more hygienic kitchen environment.
Inexpensive
Garbage disposals are a relatively affordable addition to a kitchen. Most models range in price from $160-$700 nationally, making them an accessible option for many homeowners. Installation costs vary, but if you have basic plumbing skills, installing a garbage disposal as a DIY project is possible, further reducing the cost. With proper care, usage, and maintenance, a garbage disposal can last between 8 to 10 years, providing good value for the investment.
Work Almost Everywhere
Garbage disposals are versatile appliances that work with various sewage systems, including municipal sewers and septic tanks. This broad compatibility makes them a viable option for most homeowners.
If your home has a septic tank, check that it can handle the additional waste. Some older municipal sewage systems may not process food particles efficiently, so we recommend you check with local authorities before installation.
Cons of Garbage Disposals
Understanding the limitations of garbage disposals can help you decide if they’re the right choice for your home.
Require Careful Use
Despite their name, garbage disposals cannot handle all types of food waste. Fatty substances (cooking oil and butter), starchy foods (pasta and rice), fibrous materials (banana peels and celery), and hard items like bones and fruit pits are non-compatible. While small amounts of these foods occasionally won’t cause immediate issues, frequent disposal of non-compatible items leads to problems over time. The required mindfulness is inconvenient, particularly if you’re accustomed to disposing of your food scraps without much thought.
Regular Maintenance Required
Regular maintenance is necessary to keep your garbage disposal functioning properly and odor-free. Even with careful use, some food particles linger inside the unit, potentially leading to unpleasant smells as they decompose. Cleaning the disposal involves turning off the power, wiping down the rubber ring around the drain opening, and using a gentle brush to scrub the inside of the unit. Between deep cleans, grinding ice cubes made with vinegar or small pieces of citrus fruit helps freshen the disposal. Consistent maintenance helps prolong the lifespan of the disposal and minimizes disruptive breakdowns.
The video below shows a safe and effective way to clean your garbage disposal.
Clogs, Jams, and Breakdowns
Garbage disposals are susceptible to jams, clogs, and breakdowns like any mechanical device. These issues occur more frequently as the appliance ages or if used incorrectly. Some problems are easy to resolve, while others require professional intervention. As garbage disposals are difficult to repair, a malfunction in one component often means replacing the entire unit, an unexpected expense and inconvenience for homeowners. Repair situations may leave the sink unusable, disrupting daily routines and meal preparations.
For more information, read our article on what to do when your disposal stops working.
Potential Environmental Concerns
While garbage disposals help manage food waste efficiently within a household, disposing of waste through sewage transfers the burden to municipal water treatment facilities. This increases the energy and resources required for wastewater treatment. Not all food particles are easily biodegradable, potentially complicating the treatment process. Some environmental advocates suggest composting food waste as a more sustainable and eco-friendly alternative, preserving the nutrients in food scraps and reducing the overall environmental footprint.
Proper Use and Maintenance Tips
Here are some tips to help you get the most out of your disposal unit.
Best Practices for Daily Use
When using a garbage disposal, follow guidelines for proper use. For instance, always run cold water before, during, and after operating the disposal so that waste moves smoothly through the pipes. Always feed food waste gradually into the disposal system rather than all at once to avoid overloading the unit. Avoid non-food items, and use the system regularly to prevent rust and corrosion.
Cleaning and Maintenance
To keep your garbage disposal in top condition, clean the unit weekly. Periodically, inspect the unit for signs of wear or damage. Address any minor issues promptly before they become major problems requiring system replacement.
Troubleshooting Common Issues
If problems arise, try some common troubleshooting steps before calling a professional:
- Use the reset button if the unit stops working. This often resolves minor electrical issues.
- Check for and remove any visible obstructions that may cause jams or clogs.
- Use a hex key to manually turn the flywheel if jammed. This frees up the unit and enables it to break down waste properly.
If problems persist after these steps, consult a professional.





