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10 Things You Should Think About Before Buying a New Dishwasher

by Kelly Esposito | Hallock’s Appliances

You might think that buying a new dishwasher is an easy task, but the unfortunate reality is that it’s far from simple. When you go into your local Hallocks dealer, you’ll see multiple rows of dishwashers - all claiming to be the best. So how do you make a decision? Especially when all brands tend to have multiple different models and lines of dishwashers. It’s easy to feel overwhelmed when you’re suddenly comparing noise levels, drying systems, filtration types, and a dozen other features that you didn’t even know existed.

Before you get lost in the world of dishwasher models, it’s smart to have a game plan. Here are ten things you should know before buying your next dishwasher:

1. Your Current Hookups

Before anything, check to see how your current dishwasher is connected.

Most modern homes use a plug-in connection, but some older homes may have hard-wired dishwashers. Knowing this ahead of time can help avoid any surprises during your installation. The good news? There’s dishwasher options for either set up - just let your dedicated Hallock’s team member know what you have in your home, and they can direct you to the best options for your particular set up.

Many modern dishwashers come ready for plug installation, and some brands offer junction boxes that allow easy conversation to hard-wired setups if needed. Don’t worry if you’re not able to do this conversion on your own; Hallock’s trusted installation crew can take care of this! A quick check can help save you time and possibly some headaches later.

A close-up of a decibel level sticker on a Bosch dishwasher

2. Appliance Noise Level

Something that not many people think about before purchasing a dishwasher is the noise level of the appliance, and depending on the layout of your home and kitchen, this feature can make or break dinner conversations and movie nights. Almost all dishwasher manufacturers test the noise level of their units and advertise that feature on their spec sheets using a decibel (dBA) rating. In general, there are four different decibel ranges that dishwashers are categorized into:

  • 50-55 dBA → Noticeable (like light rainfall)
  • 45-50 dBA → Quiet (like a quiet office)
  • 40-45 dBA → Very quiet (like a library)
  • 35-40 dBA → Whisper quiet (is it even on?)

While the difference between the levels is often minimal, it could be worth it to consider how the sound will move through your home, especially if you have an open concept floorplan. Oftentimes, you’ll find that the quieter an appliance is, the higher the price point, so it’s important to weigh the importance of uninterrupted daily living versus budget when looking for a new unit.

3. Type of Leak Protection

Since Hallock’s have in-house technicians, we get a first look into what the top complaints are on certain appliances. For dishwashers, leaks are the most common and the most frustrating. It’s important for you, the buyer, to understand what kind of leak protection systems are offered in models you’re interested in. The most common are:

  • Moisture sensors that detect water buildup and stop the cycle
  • Float switches that monitor water levels inside the tub
  • Sealed bases or drip trays that collect excess water
  • Automatic shut-off systems that cut water flow if a leak is detected

The last thing you want to do is deal with a leaking dishwasher, especially a leak that has the potential to go unnoticed.

4. Dish Drying Method

When growing up, I didn’t realize that dishwashers had different drying methods. The only thing I knew was that my mother said not to use the heated dry…especially with plastics down on the bottom rack. It was a surprise to find out that not every dishwasher is created equal when it comes to drying. In fact, there are four main drying methods, each with their own pros and cons.

Drying MethodHow It WorksProsCons
Heated DryUses a heating element on the bottom of the tub to evaporate moistureFast and effectiveUses more energy
Condensation DryRelies on the stainless steel interior to cool and condense waterEnergy-efficientNot the most effective in drying plastics
Fan-Assisted DryCirculates air with a fan to dry dishes, typically used along with condensation dryingBetter than condensation aloneLonger cycles
Auto-Open / Air DryDoor pops open after the cycle to allow for airflow and to release steamMost efficientRequires space for the dishwasher door to stay propped open for an extended period of time

Personally, I am a huge fan of the fan-assisted dry; I don’t need to worry about that heating element, and it’s much more efficient.

A dishwasher filter being removed from it's spot in the interior.

5. Filtration System

Did you know that dishwashers have built in filtration systems to handle leftover food? There are two main systems: filtration and food disposers.

Filtration systems use filters to trap food particles and prevent them from getting sucked into the pump. These systems do require maintenance though; every once and awhile it is important to remove the filter to prevent build up and smells. This option is typically quieter and more energy efficient.

Hard food disposers, on the other hand, don’t require as much maintenance. This option grinds up any food as if it were a garbage disposal. The only downside is that this option had the potential to be a bit louder than its counterpart. In my opinion, if you’re okay with a little bit of noise, the hard food disposer is the way to go. That’s personal, though - I just hate to clean the filter!

6. Cycle Options

Everyone knows the basic dishwasher settings: normal, heavy (usually for pots & pans), light/delicate, and eco. But what features do the higher end models come with? Hallock’s staff pooled their favorites:

  • Quick Wash: Great if you’re having a dinner party and need a quick turn around on your dishes
  • Sanitize: An extra hot cycle that helps eliminate bacteria
  • Half Load/Top Rack: Don’t have enough dirty dishes for a full load? Or, out of cups? Some dishwashers offer a half load or top rack only features which allows you to get your dishes back, without wasting the water for a full load
  • Steam or Pre-Soak: Have a tough mess you can’t scrub off? No reason to worry - many high end dishwashers have a setting to tackle this

7. Tub Material

Dishwashers have three different interior options, and each have their own pros and cons. Ultimately, there is no wrong choice. It’s just about what works best for you, and what is important to you. The first option: an all plastic tub. This option is the most affordable, but it is less effective at drying your dishes (especially if it doesn’t have a "heated dry” option). The second option: a full stainless steel tub. The one con, these are typically at a higher price point. But, on the other hand, these tubs are more durable, have a better dryer performance, and have a quieter dBA. And finally, the last option: a hybrid tub (plastic sides, stainless bottom). This is exactly what you think - the best of both worlds. It’s not as loud as an all plastic tub, but it’s a bit more durable and a bit quieter.

8. Total Number of Racks

You have two options when it comes to the number of dishwasher racks: two, or three. The design most people are used to are the two racks. The benefit to that standard design is that it’s easier to load large items (since there’s more clearance above that top rack), and they’re at a lower price point. When my husband and I replaced our dishwasher, he was adamant we needed that third rack. I was initially sceptical, but I have since grown to love it. While it does take away a bit of clearance space, having it there for utensils and small items has been a game changer.

If you’re not willing to compromise your space, but want that third rack, KitchenAid may have the dishwasher for you! KitchenAid has something called “flex racks” which means you have more flexibility on where your racks sit in your dishwasher. That third rack lowers to hold larger dishes and raises to make room for platters, blender jars and more below. It really is the best of both words, and you can find models on display with this feature at any Hallock’s location.

A close-up of a dishwasher control panel from GE Profile.

9. Control Board Location

Let’s talk about dishwasher controls. You have two, almost three, options…but we’ll get into that third option in the next section. For now, we can focus on front controls, or hidden controls. This choice affects both function and style.

Front controls are easy to access, have a more traditional look, and are a bit more affordable. The one downside, which I learned first hand at my parents house, is that these touch controls can be sensitive. Do you know how many times I have accidentally started my parents dishwasher by just leaning over the counter? Enough times that now they lock the controls. While this isn’t detrimental, it’s definitely something to keep in mind before purchasing. Having hidden controls on your dishwasher can prevent accidental button pushes, as they are set on the top edge of the door. People interested in a clean and seamless kitchen design, this option might be more appealing, as they give your dishwasher a sleeker, more modern look.

10. Handle Design

That third option I mentioned before is all to do with the handle design - if you want a handle on your dishwasher, your controls are going to be hidden. A pocket handle, though, can go either way. This all comes down to personal preference, though. If you’re looking for something more commercial, a handle might be your best bet. But, if you are limited on space, a pocket handle will probably work better for you!

Buying a dishwasher isn’t just about picking a brand, it’s about choosing the features that match your home and your lifestyle. From hookup compatibility and noise level, to drying performance and rack configuration, each detail is important to how satisfied you’ll be with your purchase. Remember, there’s no right or wrong here - it’s about you, your family, and your home.

If you’re still unsure after looking over these ten points, head into your local Hallocks dealer where a dedicated team member can help you narrow down your options!