Dishwasher Buying Guide
Summary
- How to Recognize a Reliable Dishwasher
- What Type of Dishwasher Is Right for Your Kitchen?
- What Noise Level Should You Choose for Your Dishwasher?
- How to Determine the Right Size for Your Dishwasher?
- Food Disposer or Filter: Which Should You Choose for Your Dishwasher?
- 3 Common Mistakes When Choosing a Dishwasher
- What Is the Average Lifespan of a Dishwasher?
- Features That Simplify Everyday Use
- How to Clean Your Dishwasher in 5 Easy Steps
- How to Install Your Dishwasher in 6 Simple Steps
- Which Dishwasher Brands Inspire the Most Confidence at JC Perreault?
How to Recognize a Reliable Dishwasher
A reliable dishwasher is usually defined by several measurable characteristics, such as the filtration system, drying performance, and the quality of the tub.
The number and placement of spray arms also affect cleaning performance. Most dishwashers use two main spray arms, located beneath the lower rack and beneath the upper rack. Some more advanced models add a third spray arm or additional jets at the top of the tub, allowing water to reach more of the load and improving coverage in the corners of the upper rack.
The filtration system also plays an important role. Some dishwashers use a built-in food disposer that breaks down food particles during the wash cycle, while others rely on a removable filter that requires periodic cleaning. In both cases, a well-designed system helps prevent particles from accumulating and blocking the spray arms.
Drying performance is another key factor. Higher-performing dishwashers may use ventilation, automatic door opening, or heat-assisted drying to remove moisture more effectively, including from plastic containers.
Finally, the materials used in the tub have a direct impact on durability. Stainless steel tubs are generally more resistant to heat and staining than plastic tubs and also help reduce operating noise during the wash cycle. Some dishwashers use a hybrid tub, with stainless steel side walls and a plastic base. This configuration offers good corrosion resistance while keeping manufacturing costs lower and maintaining solid everyday performance.
What Type of Dishwasher Is Right for Your Kitchen?
Before comparing features or brands, the first step is to choose the type of dishwasher that best suits your kitchen layout. You’ll typically be choosing between built-in models, which are the most popular, and portable models, which are appreciated for their easy setup.
Built-in Dishwasher
A built-in dishwasher is designed to blend seamlessly into your kitchen. Installed under the countertop or between cabinets, it follows the lines of your furniture. Some models can even be fitted with a custom panel to match your cabinet finish.
If your kitchen is already configured to accommodate a built-in appliance—or you're planning a renovation—this type is usually the preferred option thanks to its elegant, integrated design.
Portable Dishwasher
Portable dishwashers can be moved easily thanks to their wheels and connect directly to a faucet—no permanent installation required.
They’re ideal if your kitchen isn’t equipped for built-in appliances or if you need a flexible, temporary solution. Compact, mobile and simple to use, these models offer the same cleaning performance as their built-in counterparts.
What Noise Level Should You Choose for Your Dishwasher?
Noise level plays an important role in overall kitchen comfort, especially in open-concept spaces connected to the living or dining area.
If your kitchen is closed off, a dishwasher rated between 46 and 50 decibels is usually quiet enough to preserve the comfort of your home. At this level, the sound is comparable to soft background noise or a very quiet conversation.
However, if your kitchen is open and household quiet is especially important, choosing a dishwasher rated at 44 decibels or less is often preferable. At this level, the appliance operates very quietly and the wash cycle tends to blend into the background of normal household activity.
How to Determine the Right Size for Your Dishwasher
The ideal size depends primarily on two factors: the space available in your kitchen and how much dishwashing you typically do. Most dishwashers come in standard widths of either 18 or 24 inches.
18-Inch Dishwasher
The 18-inch dishwasher holds 8 to 10 place settings and is well suited for households of one or two people. Its compact size makes it easier to fit into apartments, condos, and small chalets, while still offering the same performance and features as larger models.
24-Inch Dishwasher
This is the most common format, holding 12 to 13 place settings—ideal for families, frequent cooks, or weekend entertainers. If your kitchen already has a dedicated space for a full-size unit, this is the format we most often recommend.
14 to 16 Place Settings Dishwasher
Some 24-inch dishwashers offer “high capacity” options, fitting up to 16 place settings. Thanks to smart interior design—such as elevated tubs, adjustable racks, and expandable zones—they can handle larger loads in a single cycle.
Food Disposer or Filter: Which Should You Choose for Your Dishwasher?
Dishwashers generally use two types of systems to manage food residue: a built-in food disposer or a removable filter that captures particles during the cycle.
Models equipped with a food disposer grind food particles during the wash cycle. These particles are then flushed away with the water, reducing the need to clean a filter regularly. This solution can be appealing in households that use the dishwasher frequently or prefer minimal maintenance.
Filtered dishwashers use a removable filter that traps food particles. The filter must be cleaned periodically, but this system often helps reduce operating noise because it does not rely on a mechanical grinding mechanism.
The choice mainly depends on your preferences: a disposer simplifies everyday maintenance, while a filtration system can provide quieter operation.
3 Common Mistakes When Choosing a Dishwasher
Certain mistakes frequently occur when purchasing a dishwasher. They may seem minor at first, but they can affect everyday convenience over time.
Choosing a Dishwasher That Is Too Small
The size of the dishwasher directly affects how often you need to run wash cycles. An 18-inch model can typically hold about 8 to 10 place settings, which is generally suitable for one person or a couple who cook occasionally. A 24-inch model, on the other hand, can hold between 12 and 16 place settings, allowing you to wash the dishes from a full family meal in a single cycle.
Choosing a dishwasher that is too small often means running multiple cycles per day, especially in households of three people or more. In most kitchens designed for a standard opening, a 24-inch dishwasher remains the most versatile option.
Ignoring the Drying System
The drying system has a direct impact on the final results of the wash cycle, especially for plastic containers.
Dishwashers generally rely on three main approaches. Residual-heat drying, commonly found on entry-level models, may leave some moisture inside the tub at the end of the cycle. Ventilation systems or automatic door-opening features allow steam to escape and improve drying performance. Some dishwashers combine an internal fan with heat-assisted drying, helping remove moisture more quickly and improving the drying of glasses, plates, and plastic containers.
Ignoring Water Consumption
Water consumption can vary noticeably from one model to another. A modern dishwasher typically uses between 10 and 15 litres of water per cycle, while some older models may consume up to 20 litres or more.
In a household where the dishwasher runs once per day, this difference can represent more than 1,800 litres of additional water per year. Energy Star certified appliances are designed to optimize both water and energy use, helping reduce long-term utility costs and environmental impact.
What Is the Average Lifespan of a Dishwasher?
The average lifespan of a dishwasher is typically between 10 and 12 years, which corresponds to roughly 3,500 to 5,000 wash cycles. In a household where the dishwasher runs once per day, this represents about 10 years of use before certain components may begin to wear out.
Models equipped with stainless steel tubs and more durable internal components can often exceed 12 to 15 years of use, especially when the appliance runs less than once per day. Entry-level models with plastic tubs used daily may begin to show signs of wear after 8 to 10 years.
Regular maintenance also plays an important role in longevity. The filter should generally be rinsed every two to four weeks to prevent food particles from building up. Running a cleaning cycle with a dishwasher cleaner or vinegar every two to three months can also help reduce limescale and grease buildup inside the tub and internal components.
As a dishwasher approaches about 10 years of use, certain signs may indicate declining performance, such as longer cycles, less effective drying, or increased operating noise. In these situations, it may be useful to assess the condition of the appliance before more significant repairs become necessary.
Features That Simplify Everyday Use
Beyond size and capacity, it’s the integrated features that can truly enhance your experience. Depending on the model, some functions improve drying, shorten cycle times, or let you control the appliance remotely. These small additions can make a real difference based on your daily routine.
Fingerprint-Resistant Finish
Designed to preserve the elegant look of your appliances, this finish effectively reduces fingerprints and smudges. It’s particularly useful in busy kitchens or households with young children. Your appliance stays clean day after day, and maintenance becomes less of a chore.
Automatic Soil Sensors
Many dishwashers now include sensors that can analyze the level of soil in the water during the cycle. These sensors automatically adjust the wash time, water temperature, and spray pressure to match the level of soil on the dishes inside the tub. As a result, the cycle can shorten when dishes are lightly soiled or extend when a deeper clean is required, helping improve cleaning performance while optimizing water and energy use.
Third Rack
The third rack adds a convenient upper-level space, perfect for flatware and delicate utensils. No more ladles taking up space in your cutlery basket or chopsticks slipping between glasses. A discreet but highly practical feature for those who use many small accessories.
Advanced Drying Systems
The drying system directly affects the final results of a cycle, especially for plastic containers that tend to retain more moisture. Basic models rely on residual heat from the wash cycle, while more advanced dishwashers use a fan, automatic door opening, or a combination of ventilation and heat to remove moisture more effectively. These technologies generally result in drier dishes at the end of the cycle.
Quick Wash Program
The quick wash cycle is perfect for smaller loads, cleaning dishes in about 30 minutes. Ideal for weekday meals, light cleaning between courses, or those days when time is short.
Energy Efficiency
Modern dishwashers are designed to combine strong performance with energy savings. ENERGY STAR certification makes it easy to identify the most efficient models. Choosing one means reduced water and electricity use, without compromising cleaning power.
Smart Connectivity
With Wi-Fi connectivity, you can monitor and control your dishwasher remotely via a mobile app. Get notified when the cycle ends or when maintenance is needed.
How to Clean Your Dishwasher in 5 Easy Steps
Regular maintenance extends the life of your dishwasher and keeps it performing at its best. Here’s a simple yet thorough cleaning method.
Clean Removable Parts
Remove the racks, utensil holders, and any detachable components. Soak them in warm water mixed with vinegar for about 30 minutes to dissolve grease and food residue. Then clean them manually.
Wipe the Interior
Using a cloth or sponge with white vinegar, wipe down the walls, door seals, spray arms, and detergent compartments. Make sure the spray holes aren’t clogged—use a toothpick to clear any buildup.
Clean the Filter
At the bottom of the tub, unlock and disassemble the filter components. Rinse each part in hot, soapy water. When reinstalling, ensure everything is properly secured.
Flush the Drain
Like a kitchen sink, debris can collect at the base of your dishwasher. Pour a mixture of hot water, vinegar, and baking soda directly into the drain to dissolve buildup and neutralize odors.
Run a Cleaning Cycle
Once all parts are back in place, run a hot, intensive cycle with the dishwasher empty. Place a cup of vinegar in a bowl on the lower rack or use a specialized dishwasher cleaner. This final rinse eliminates any remaining grease or limescale.
How to Install Your Dishwasher in 6 Simple Steps
Installing a dishwasher at home may seem technical, but if your kitchen is already equipped with a power outlet, water supply, and drainage system, you can do it yourself by following these key steps.
STEP 1 | Prepare the space
Make sure the area has a grounded electrical outlet a few inches above the floor to avoid contact with water in case of leaks. Also ensure that your plumbing includes a hot water supply, a drain line, and an accessible shut-off valve. If replacing an old unit, we recommend using new hoses for long-term leak protection.
STEP 2 | Turn off water and power
Before proceeding, shut off the water and electricity to your kitchen. This ensures you can work safely.
STEP 3 | Connect the water supply
Attach the dishwasher’s inlet hose to the hot water line. Make sure the hose isn't kinked and insert a sealing washer before tightening. Use plumber's tape or silicone grease for leak prevention, and open the valve to check for leaks. If access is tight, consider calling a plumber to install a shut-off valve under the sink.
STEP 4 | Attach the drain hose
Connect the dishwasher’s drain hose to the side inlet of the drain pipe. Secure it with a clamp, and make sure it includes an anti-backflow device to prevent water from coming back into the unit.
STEP 5 | Complete the electrical connection
Wire the dishwasher to the power supply, following the color codes of the wires. Use proper wire nuts and close the junction box securely. Never use an extension cord to connect a dishwasher.
STEP 6 | Check in the installation
Use a level to ensure the appliance is straight and stable. Then, restore power and water. Check for leaks and confirm that all connections are secure
Which Dishwasher Brands Inspire the Most Confidence at JC Perreault?
Wondering which dishwasher brand is the most reliable? You’re not alone. To help answer this, we’ve selected brands known for both their technical performance and customer satisfaction. These are the ones we confidently recommend—and here’s why.
Frigidaire Dishwashers
If you’re looking for a reliable, easy-to-use, and affordable option, Frigidaire is worth a closer look. We especially like the efficiency of its technology—like OrbitClean® for thorough, multi-directional spray, and EvenDry™ for improved drying. We recommend Frigidaire and Frigidaire Gallery for households that want a solid, straightforward performer.
Bosch Dishwashers
If you need a quiet, high-performance machine, Bosch is a top contender. Some of its dishwashers run as low as 38 dB—exceptionally quiet. PrecisionWash® sensors eliminate the need for pre-rinsing, and AutoAir™ enhances drying with a door that opens automatically. Bosch is a great fit for open kitchens and detail-oriented users.
Asko Dishwashers
Asko brings Scandinavian quality and durability—these machines are built to last up to 20 years. With 11 wash zones, they clean thoroughly even when fully loaded. Turbo Combi Drying™ combines a fan and auto-door opening for optimal drying, even on plastics.
LG Dishwashers
LG impresses with modern features: QuadWash™ for targeted cleaning, TrueSteam® for streak-free drying, and Wi-Fi connectivity for remote control. A great choice for tech-savvy users who want an elegant, affordable appliance.
KitchenAid Dishwashers
What sets KitchenAid dishwashers apart is the focus on wash performance and quiet operation. Some models reach as low as 44 dBA, helping maintain a quieter kitchen even during full cycles. Flexible racks, a third rack, and advanced drying systems deliver consistent results across a variety of loads. Depending on the model, a stainless steel tub provides increased durability and allows for higher temperatures, supporting more effective drying.
Fisher & Paykel Dishwashers
Fisher & Paykel’s DishDrawer™ concept offers two independent drawers that can run different cycles at the same time. Each can handle a half-load, allowing for more frequent, energy-efficient washes. Quiet, ergonomic, and sleek—ideal for open-plan kitchens. It’s an innovative, ergonomic, and stylish solution—one that wins us over as much for its practicality as for its design.