A countertop dishwasher can make sense in a small apartment, but it is not an automatic upgrade for every renter. It needs a real place to sit, a safe electrical outlet, a route for drain water, and enough room to load dishes without turning the only prep area into a permanent appliance shelf.
The first decision is not the brand. It is the water setup. A model with an internal water tank can run without a faucet connection, but you still need to fill the tank and direct the drain hose into a sink or suitable container. A faucet-connected model can hold more place settings, but the connector has to work with your faucet and your kitchen layout. Neither option eliminates the need to measure.
This guide compares two countertop models with different water-supply approaches, then explains when a larger portable dishwasher is the more realistic category. Dimensions, capacity, water-supply details, and stated features were checked against current manufacturer pages. It does not claim hands-on testing, current retailer prices, or a universal cleaning-performance ranking.
For a direct category comparison before choosing a model, read countertop vs portable dishwashers for apartments.
Before adding any appliance to a rental kitchen, read what to look for before buying small appliances for a first apartment. The same questions about counter space, outlets, cleanup, and actual routine matter even more for a dishwasher.
Quick Picks
| Need | Pick | Why it fits |
|---|---|---|
| Best for a kitchen without a workable faucet connection | HAVA R01 Compact Countertop Dishwasher | Built-in 5 L water tank, with an optional faucet connection and drain hose |
| Best for a larger countertop load with faucet connection | Danby DDW621WDB | Six place settings, six wash cycles, and a stated quick-connect setup for most kitchen faucets |
| Best when a countertop model is too small | GE GPT145SSLSS portable dishwasher | An 18-inch-wide floor-standing portable model; it is not a countertop dishwasher |
Availability, model variations, faucet fittings, and local rental rules can change. Check the exact model number, current manual, counter capacity, outlet access, and lease requirements before buying.
Start With Your Kitchen, Not the Product
Countertop dishwashers are compact relative to built-in machines, not tiny kitchen accessories. A model can fit on paper and still be impractical when there is no room to fill it, open the door, route the hose, or prepare food beside it.
Measure and confirm these points before comparing features:
| Question | Why it matters |
|---|---|
| What are the usable counter width, depth, and height? | The body must fit without blocking your main prep area or hitting an upper cabinet. |
| Is the counter strong, level, and near a safe outlet? | The appliance, dishes, and water add weight; it also needs a practical power location. |
| Can a drain hose reach the sink without creating a trip or kink risk? | Both water-tank and faucet-connected countertop machines must drain somewhere. |
| Does your faucet work with the model’s connector? | A quick-connect claim does not mean every faucet shape or aerator is compatible. |
| Does your lease or building have relevant rules? | A temporary setup may still need landlord or building approval. |
Leave working room around the planned spot. You need to load and unload the racks, fill an internal tank if the model has one, and move dishes between the sink and dishwasher. A countertop machine that consumes the only usable prep surface may not improve the kitchen overall.
For a broader look at protecting prep space, storage, and outlets, see small appliances that save space in a tiny kitchen.
Water Tank or Faucet Connection?
The water supply changes the daily routine more than a minor capacity difference.

Built-in water tank
A built-in tank is useful when you do not have a compatible faucet, do not want to connect to one every cycle, or need a more flexible placement near the sink. You fill the tank manually, then still route the drain hose to the sink or another appropriate drain location specified in the manual.
The tradeoff is repetition. Filling a tank becomes part of every wash cycle, and the smaller interior of many tank models limits the dish load. It is a better fit for one person or a light daily load than for several meals’ worth of dishes.
For product-specific comparisons within this category, see countertop dishwashers with built-in water tanks for apartments.
For the full setup decision, including what “no hookup” still requires for drainage and a rental kitchen, read our no-hookup countertop dishwasher guide.
Faucet connection
A faucet-connected countertop dishwasher avoids manual tank filling and can offer a larger interior. It is often the better fit when you cook for two people, use more plates and bowls, or want fewer wash cycles.
It also adds compatibility checks. Inspect your faucet, aerator, sink position, and hose route before buying. Manufacturer language such as “compatible with most kitchen faucets” is not a guarantee for every pull-down, pull-out, spray, or specialty faucet. Do not force an adapter or alter plumbing without confirming the manufacturer’s guidance and your rental rules.
Best for a Flexible Water Setup: HAVA R01 Compact Countertop Dishwasher
The HAVA R01 is the more flexible countertop option when faucet compatibility is uncertain. HAVA lists the R01 at 16.86 x 16.75 x 18.05 in and 28.7 lb. Its built-in 5 L water tank can be filled with the supplied pitcher, and the manufacturer also lists a faucet connection as a second water-supply option.
That dual approach is the main reason to consider it. You can use the internal tank when the faucet route is not practical, while retaining the option to connect to a compatible faucet later. HAVA says the drain hose can direct water to a sink or bucket. Plan that drainage path before placing the unit on the counter; a water supply option does not mean the appliance can operate without a sensible way to drain.
HAVA lists five wash options and capacity for four bowls, four cups, four small plates, four dinner plates, and seven pieces each of utensils. This is a compact single-household load, not a replacement for a full-size family dishwasher. The brand also lists an operating noise level of 60 dB and a 950 W power rating for the US 110-120 V / 60 Hz version.
Why it fits:
- Built-in
5 Ltank can be filled manually - Optional faucet connection gives the setup more flexibility
- Official body size is under
17 inwide and deep - Stated capacity is appropriate for a small daily dish load
- Drain hose can be routed to a sink or bucket as directed by HAVA
The limitation is workflow, not just size. You must fill the tank when using it untethered, keep the drain path clear, and accept a smaller rack. It is the practical starting point when a faucet connection is the uncertain part of the kitchen.
Best for a Larger Countertop Load: Danby DDW621WDB
The Danby DDW621WDB is the countertop option for a person or couple who wants more capacity and can use a compatible faucet connection. Danby lists this model at 21.65 in wide, 19.69 in deep, and 17.24 in high, with a weight of 46.2 lb. Those measurements make it noticeably wider and deeper than the HAVA, so it needs a more deliberate counter plan.
In return, Danby specifies six place settings, six wash cycles, and a stainless-steel interior. The manufacturer’s product page describes a quick-connect feature compatible with most kitchen faucets and gives water consumption of 3.1 gallons (11.7 L) per normal wash. Danby also lists an operating noise level of 52 dB.
The capacity is the reason to choose this category. Six place settings can make more sense for two people or for someone who cooks regularly and wants to run fewer very small cycles. It does not make the machine a casual purchase: the counter must support the added weight, the faucet must be compatible, and the hose must reach without interfering with normal sink use.
Why it fits:
- Six stated place settings provide a larger countertop load
- Six wash cycles and stainless-steel interior are listed by Danby
- Fast-connect setup is designed for most kitchen faucets
- Official dimensions remain below
22 inwide and20 indeep - Danby lists 52 dB operation for the model
Check your exact faucet configuration before treating the quick-connect feature as a solution. If your sink has a pull-down or pull-out faucet, an unusual aerator, or very little clearance, read the current manual and confirm compatibility before ordering.
When a Countertop Dishwasher Is the Wrong Tool: GE GPT145SSLSS
The GE GPT145SSLSS is included as a category check, not as a countertop recommendation. GE describes it as an 18-inch-wide portable dishwasher. Its listed dimensions are 36 in high, 18 in wide, and 25.375 in deep, so it is a floor-standing appliance rather than something that belongs on a counter.
That distinction matters. A larger portable dishwasher can be a better fit for an apartment household that generates more dishes than a compact countertop rack can handle, but it needs floor space and a more involved placement plan. The GE model has three-level wash and a listed 52 dBA operating level, but its capacity and installation category are fundamentally different from the two countertop models above.
Consider this route only when you have a measured floor location, a workable water-and-drain setup, and rental permission where required. Review GE’s current product documentation and your lease before buying; do not assume that a portable model has the same placement or connection needs as a countertop water-tank unit.

Capacity Is About Your Routine, Not a Label
Countertop-dishwasher capacity labels are useful but incomplete. Plate diameter, bowl shape, pot size, and the internal rack layout determine what actually fits. A stated four-place or six-place capacity does not mean every meal’s cookware can go in at once.
Think through the dishes you use on an ordinary weekday:
- One person who uses a mug, bowl, plate, and utensils may find a tank model sufficient when run regularly.
- Two people who cook dinner most nights may need the larger six-place countertop format to avoid constant unloading.
- Large pans, baking sheets, tall mixing bowls, and oversized plates can make a compact dishwasher feel small even when the place-setting number looks adequate.
Do not buy a countertop dishwasher on the assumption that it will clean every item in your kitchen. It is usually most useful for everyday plates, bowls, cups, and utensils, while larger cookware may still need hand washing.
What to Check Before You Order
Use this short checklist with the exact product manual open:
- Counter footprint: Measure width, depth, height below cabinets, and room for loading.
- Counter support: Confirm the surface is level and suitable for the appliance plus water and dishes.
- Outlet: Use a safe, accessible outlet; do not plan to run a dishwasher through a casual extension or overloaded power strip.
- Water route: Decide whether you will fill an internal tank or connect to the faucet.
- Drainage: Confirm the drain hose can reach the sink or other approved destination without sharp bends.
- Faucet compatibility: Check the connector instructions against the exact faucet you own.
- Rental approval: Follow your lease, building rules, and any applicable landlord requirements.
- Dish size: Compare your regular plates, bowls, and cookware with the product’s interior guidance.
Countertop appliances are easiest to live with when they have an assigned home. Do not buy one first and hope a spot appears later. A clear counter plan and a tested hose route are more valuable than an extra wash setting.
Who Should Skip a Countertop Dishwasher?
A countertop dishwasher is probably the wrong choice when:
- You have no safe counter location near a sink and outlet.
- Your only usable counter is also your main food-prep area.
- You regularly wash large cookware that will not fit in a compact rack.
- You cannot create a safe, approved drainage and water-supply arrangement.
- Your lease, building, or landlord does not allow the proposed setup.
- You already have a built-in or shared dishwasher that meets your needs.
In those cases, a dish rack and a better hand-washing routine may be less disruptive than forcing a machine into a kitchen that has no workable place for it. A larger portable unit can make sense for some households, but it is a separate floor-space decision rather than a workaround for a crowded counter.
FAQ
Do countertop dishwashers need a water hookup?
Not all of them need a faucet connection. The HAVA R01 has a built-in 5 L water tank that HAVA says can be filled with the supplied pitcher, and it also offers a faucet connection. It still needs a drainage route. Faucet-connected models such as the Danby DDW621WDB depend on compatible faucet hardware, so check the manual and your exact faucet before buying.
Can a countertop dishwasher fit under upper cabinets?
Possibly, but measure the machine height and the space above it before you order. The HAVA R01 is listed at 18.05 inches high, while the Danby DDW621WDB is listed at 17.24 inches high. You also need enough room to operate the appliance, access controls, and use any fill or connection points specified in the manual.
Can a countertop dishwasher wash pots and pans?
It depends on the rack layout and the shape of the cookware. Compact machines are usually easiest to use for daily plates, bowls, cups, and utensils. Compare your regular cookware with the manufacturer’s internal-capacity guidance instead of relying on the place-setting number alone.
Are countertop dishwashers suitable for renters?
They can be, but suitability depends on your kitchen, lease, and proposed water-and-drain setup. Check the appliance manual, confirm faucet compatibility when relevant, and follow your landlord or building requirements before installing or operating one.
Is the GE GPT145SSLSS a countertop dishwasher?
No. GE lists the GPT145SSLSS as an 18-inch-wide portable dishwasher with a 36-inch height. It is a floor-standing alternative for a household that needs more capacity and has the space and appropriate setup for that category.
Bottom Line
Choose the HAVA R01 when a built-in tank is useful because your faucet connection is uncertain or you want the flexibility to fill the machine manually. Choose the Danby DDW621WDB when you have a compatible faucet and want the larger six-place countertop format. Consider the GE GPT145SSLSS only when a countertop dishwasher is too small and you have room for a floor-standing portable appliance.
The best compact dishwasher for a small apartment is the one that fits the full routine: counter or floor space, water supply, drainage, outlet, dishes, and rental rules. Measure all of those before deciding that a smaller machine is automatically the easier one.