At a Glance:
How Much Water Does a Dishwasher Use?
Dishwasher vs. Hand Washing Water Consumption
Do dishwashers save water, or is it all myth? The better question you should be asking is “How much water does a dishwasher use?” While dishwashers offer convenience, it's essential to understand their water consumption in order to get the full advantage of running a dishwashing machine. Not to mention, not all brands are the same—and there are definitely a few brands on the market you should know about if water and energy efficiency are on your must-have list.
We’ve put all you need to know into this guide, where you can learn just how much water a dishwasher uses, plus tips on how to run an efficient load, and a look at some of the best models around when it comes to energy and water efficiency.
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Shop NowHow Much Water Does a Dishwasher Use?
Different dishwashers have different water usage rates. When shopping for a new one or checking your current model, the label or user manual is the best place to start. It should provide details on the water consumption for each cycle, so there’s no guessing “how much water does a dishwasher use?” With that said, these are the factors contributing to dishwasher water efficiency.
1. Water-Saving Settings and Modes
Many modern dishwashers have settings for quick washes or eco-friendly cycles. These are great for when your dishes aren't very dirty, or you don’t have a full-size load to run. Another great featured found on select dishwashers are half-load washes. Instead of running a full wash, users can select to run the upper or lower section of the dishwasher, saving water and energy.
2. Special Cleaning Systems
Some of the latest dishwashers have fancy ways to clean dishes with less water. Those include have innovative sprayers or jets that cover more of your dishes for a better clean without using high volumes of water. Some dishwashers even sense how dirty your dishes are and change the water amount on their own, helping to use just as much water and energy necessary with complete results.
Dishwasher vs Hand Washing Water Consumption
The debate between using a dishwasher vs hand washing often centers on water efficiency. While it might seem that hand washing uses less water, modern dishwashers are designed for optimal water use.
How much water does a dishwasher use exactly?
A standard dishwasher cycle typically uses about 3 to 4 gallons of water, while hand washing can consume over 25 gallons of water if the tap runs continuously.
Hand washing techniques vary, and careful washing might reduce water use. However, even the most mindful hand washing generally uses more water than a modern dishwasher. Additionally, dishwashers provide a consistent and thoroughly clean, using high temperatures to effectively sanitize dishes—a challenge to replicate with hand washing.
In short, while hand washing offers a sense of control, today's dishwashers are more water-efficient and often provide better cleaning results.
How much water does a dishwasher have to save to be efficient?
When it comes to being “water-smart”, the key is to look at a dishwasher's water consumption per cycle. How many gallons of water does a dishwasher use? Dishwashers that consume less than 3.5 gallons per cycle—the average dishwasher water usage rating—are considered water-efficient.
However, those that manage to operate with around 2 gallons per cycle really stand out in terms of water conservation. It's important to note that actual water usage can vary, depending on the specific model and the chosen wash and dry settings.
When you're looking to find out how much water a particular model uses, your first stop should be the manufacturer's website or online retail listings. They usually provide detailed specs there. When a model sports an ENERGY STAR rating, it's definitely a positive indicator. This rating signifies that the model is engineered to consume approximately 25%, resulting in dishwasher water consumption.
Learn More: Bosch 800 Series Dishwasher Guide
Water Saving Tips
Even with an efficient dishwasher in your home, it’s important to know how to save water with a dishwasher. Here are a few tips from our appliance experts.
✔ Load it Fully: For the most efficient wash, wait until your dishwasher is full before running it to maximize water efficiency.
✔ Skip the Pre-Rinse: Modern dishwashers are designed to handle food residues, so you can skip pre-rinsing dishes, which wastes water.
✔ Choose Eco-Mode: Many dishwashers have an eco-mode or water-saving cycle. Use these options whenever possible.
✔ Do Regular Maintenance: Keep your dishwasher in top condition by cleaning it regularly. This ensures it operates at maximum efficiency.
✔ Invest in Energy Efficient Models: Energy Star rated dishwashers use less water and energy than standard models.
✔ Don't Use Heat Dry: Skip the heat dry option if possible. It uses extra energy and does not save any water.
✔ Check for Leaks: Regularly inspect your dishwasher for leaks. Even a small leak can waste a lot of water over time.
✔ Use Proper Loading Techniques: Loading your dishwasher correctly ensures all dishes get cleaned in one cycle, avoiding the need for re-washing.
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Dishwashers We Recommend
From water and energy efficiency to the latest features you'll love, these top-rated dishwashers are some of the best in their categories with high buyer ratings to back up their performance.
Bosch® 800 Series 24" Stainless Steel Built In Dishwasher
We mentioned not running the heated dry mode on a dishwasher to save energy, but this Bosch® 800 Series dishwasher with CrystalDry technology is an exception. First, Its intelligent load sensor adjusts water usage based on load size, while the Eco Mode decreases water and energy use. At the end of the wash, special minerals react with moisture to generate heat and dry the dishes to completion. That means no extra is required and no puddles collect on the top of your dishes. This is a smart choice for those wishing to reduce their environmental impact.
Featured Bosch SGE78B55UC review: “We had a Maytag for nearly 20 years. When the time came to replace it, a little research brought us to Bosch. And it lives up to its reviews: Dishes come out sparkling, it is whisper quiet and looks great. It took a few minutes to figure out the programming, but it wasn't a problem. We are delighted with every aspect of this dishwasher.”
Miele 24" Panel Ready Built In Dishwasher
Calling this pick a water efficient dishwasher is an understatement. This Miele dishwasher is designed with efficiency and conservation in mind. Notable features like EcoPower technology, an innovative system that optimizes water usage for rinsing, mean in less water consumption with better results overall.
Plus, loading is a breeze with a fully integrated design that includes adjustable racks, maximizing space and potentially reducing the number of wash cycles needed. This dishwasher's quiet operation and proven hygiene standards make it a standout choice for those seeking to minimize their water usage without compromising on performance or aesthetics.
LG 24" PrintProof™ Stainless Steel Built In Dishwasher
This high-performance dishwashing machine from LG is a prime example of water efficiency done right. Its Auto Cycle feature automatically senses the level of dirt on your dishes and sets the wash cycle, saving both water and energy.
Additionally, this water conserving dishwasher offers a Dual Zone option that adjusts the water intensity in the upper and lower racks, allowing delicate dishes and heavy pots to be washed together while optimizing water usage. With more than 3,100 5-star reviews, this is one of the best energy and water efficient dishwasher options on the market today.
Featured LG LDFN4542S review: “This LG dishwasher is fairly quiet it does in fact dry the dishes when you use the heat cycle. It does help to run the hot water to the sink first and also to use Jet-Dry. Dishes come out great.”
Samsung 24" Fingerprint Resistant Stainless Steel Top Control Built In Dishwasher
Built with an exclusive StormWash™ system that sprays water in every corner, this Samsung dishwasher promises clean dishes with less water usage. For energy savings, it also includes the AutoRelease™ door function that uses ambient air for drying while to reduce energy use.
But the standout is the Zone Booster™ option, which allows targeted washing at varying pressures, optimizing water usage based on the specific cleaning needs. This dishwasher intelligently integrates water conservation with powerful cleaning technology, so you’ll be thinking “how does it do that?” instead of “how much water does a dishwasher use?”
Featured Samsung DW80R9950US review: “Does washing very quietly, almost not noise. Cleans well and does not leave fingerprint on the body.”
Fisher & Paykel Series 5 24" Panel Ready Integrated Dishwasher
Shop This Fisher & Paykel Dishwasher
This Fisher & Paykel Series 5 dishwasher is a high-efficiency appliance that marries water conservation with powerful cleaning capabilities. It features a SmartDrive™ technology, which determines the size of each load and adjusts the water level accordingly, minimizing water waste.
Additionally, it includes a flexible racking system that can be folded down to accommodate larger dishes, reducing the need for multiple cycles. The dishwasher's fan-assisted drying system also reduces energy consumption. This dishwasher offers an eco-friendly solution without compromising on functionality or style and is one of the most water efficient dishwasher options.
Featured Fisher & Paykel DW24U2I1 review: “I love my new dishwasher. The different settings make washing a lot or a little very easy. It is practically silent while running. I have had to lean in and put my ear next to the appliance to know if it is running or not. Being able to match the handle and front to my other appliance was great.”
Looking for an eco-friendly dishwasher in the Bay Area? Check out Friedmans. We have a variety of top-quality appliances. Our team can help you find the perfect, efficient dishwasher that's kind to both your wallet and the environment. Upgrade your home at Friedmans today!
Why Trust Friedmans Appliance?
Established in 1922, Friedmans Appliance has been the most trusted name in the Bay Area for over 100 years. What started as a small appliance store in Oakland has expanded to include every appliance you need for your home. Our commitment to value, inspiration, and character has only grown, creating an unbeatable reputation for top-notch appliances. At Friedmans, we strive to give our customers the best of the best, including our selection of top appliance brands and our exceptional customer service. Speaking of which, we offer a 100-day price guarantee on all our products — the longest in the industry!
Our wide selection of appliances is just one of the reasons we’re the best Bay Area appliance store. We carry refrigerators in every style, every cooking appliance to show off your chef skills, and every dish care and laundry appliance you need for cleanup.
Shop Dishwashers at Friedmans
See for yourself why Friedmans is a trusted name in the Bay Area and shop dishwashers online. While we are located in Pleasant Hill, we deliver to all of Northern California — even Reno! If you have any questions, our team is always happy to help you learn how much water does a dishwasher use and more, whether you call us at 925-808-2950, email us, or use our online chat feature. Better yet, stop by our appliance store in Pleasant Hill to experience the quality in person. Visit us today!
Learn More: Bosch vs KitchenAid Dishwashers How Do They Compare