Finding a reliable portable dishwasher full size can be a game-changer for small kitchens, apartments, or RVs where built-in models aren’t an option. The Honeywell 18 Inch Dishwasher stands out as the best overall choice, offering a solid combination of capacity and energy efficiency. The BLACK+DECKER 18-Inch Portable Dishwasher is a great pick for those prioritizing affordability, while the SPT SD-6513WA 24-Inch offers extra capacity for larger households. Readers face tough tradeoffs—balancing size, features, and price. Continue reading for a detailed comparison of these options to find the best fit for your needs.
Key Takeaways
- Size and capacity vary significantly, with 18-inch models ideal for smaller spaces and 24-inch options for larger households.
- Energy efficiency is common among top models, but some still sacrifice features for lower power consumption.
- Ease of use and installation are critical; models with clear controls and straightforward setup save time and frustration.
- Build quality and materials influence durability, with stainless steel interiors offering longer lifespan but at a higher cost.
- Price ranges span from budget-friendly options to premium picks, with tradeoffs in features and capacity.
More Details on Our Top Picks
Honeywell 18 Inch Dishwasher with 8 Place Settings, 6 Washing Programs, Stainless Steel Tub, UL/Energy Star – Black
This Honeywell model stands out for its built-in design, making it a strong choice for those who want a permanent, space-efficient solution. Compared with the BLACK+DECKER 18-Inch Portable Dishwasher, it offers a more integrated look, but requires professional installation, which could be a hurdle for renters or DIYers. Its 8 place settings and six programs cater well to small households or those who need versatile cleaning options, though it’s limited in capacity for larger families. The stainless steel tub promises durability, and its Energy Star certification helps keep energy costs low.
While its built-in nature limits flexibility, this unit is ideal for small homes with dedicated spaces and no need for portability.
Pros:- Built-in installation for a seamless look
- Durable stainless steel tub for longevity
- Multiple wash programs for versatile cleaning
- Energy Star certified for efficiency
Cons:- Requires professional installation, adding upfront cost
- Limited to 8 place settings, not ideal for large families
Best for: Homeowners with dedicated kitchen space seeking a durable, built-in dishwasher that saves space
Not ideal for: Renters or those needing a portable solution, as it requires professional installation
- Capacity:8 place settings
- Washing Programs:6
- Tub Material:Stainless steel
- Dimensions:22.6″D x 18″W x 32.4″H
- Energy Certification:Energy Star
- Built-in:Yes
Bottom line: This built-in model is best for small households with dedicated space who prioritize durability and efficiency.
EUHOMY 6-Program Countertop Portable Dishwasher with 5L Water Tank, Black
The EUHOMY countertop dishwasher excels in portability, making it perfect for apartment dwellers, RV owners, or those with limited kitchen space. Its 5-liter water tank eliminates the need for permanent hookups, which is a clear advantage over the BLACK+DECKER 18-Inch Portable Dishwasher that relies solely on faucet connections. Its six programs, including heavy-duty and eco modes, provide flexibility, while the quiet 40-decibel operation makes it less intrusive in small environments. However, the small water tank means frequent refills if washing multiple loads, and it can’t handle large quantities at once, making it less suitable for bigger households.
This pick is ideal for users prioritizing mobility and minimal installation, but not for those needing high capacity or frequent heavy loads.
Pros:- No installation needed; tank and faucet modes
- Compact size fits small spaces and RVs
- Multiple programs including eco and heavy-duty
- Quiet operation enhances usability in small environments
Cons:- Small 5-liter water tank requires frequent refilling
- Limited capacity for larger loads or frequent use
Best for: RVs, small apartments, or users who need a lightweight, portable dishwasher with no permanent plumbing
Not ideal for: Large families or those doing frequent heavy-duty washing, due to limited water capacity
- Product Type:Countertop portable
- Capacity:5 liters
- Programs:6
- Water Tank:Built-in 5L
- Noise Level:40 dB
- Drying Function:60-minute hot air
Bottom line: This dishwasher suits users with small loads and mobility needs, but isn’t designed for frequent, large-scale washing.
BLACK+DECKER 18-Inch Portable Dishwasher, 8-Place Setting, Stainless Steel Tub, ENERGY STAR Certified
The BLACK+DECKER 18-Inch Portable Dishwasher offers a practical and space-conscious solution with its 8-place setting capacity, making it well-suited for small households or apartment kitchens. Its six wash cycles, including rapid and eco modes, match the versatility seen in the Honeywell model, but with the added benefit of a portable design that doesn’t require built-in installation. The stainless steel tub ensures durability, and its ENERGY STAR certification helps reduce energy costs. However, as a portable unit, it may be less sleek than built-in options and requires frequent connection to a faucet, which could be less tidy or convenient over time. Its capacity is slightly limited compared to larger models, but that tradeoff is acceptable for those needing mobility.
This dishwasher makes sense for those seeking a compact, easy-to-use appliance with minimal installation fuss.
Pros:- Portable and easy to connect via faucet
- Six wash programs for versatile cleaning
- Stainless steel tub for durability
- Energy Star certified for efficiency
Cons:- Limited capacity for larger households
- Requires frequent faucet connection, which may be less convenient
Best for: Small households or apartment renters needing a portable, easy-to-setup dishwasher
Not ideal for: Large families or users seeking a built-in, permanent fixture for frequent use
- Capacity:8 place settings
- Wash Cycles:6
- Material:Stainless steel
- Dimensions:18 inches
- Energy Certification:ENERGY STAR
Bottom line: This portable dishwasher is ideal for small households wanting an easy, space-saving cleaning solution without permanent installation.
COMFEE’ Portable Mini Dishwasher, Energy Star, Countertop, 6 Place Settings, 8 Washing Programs, White
The COMFEE’ portable mini dishwasher emphasizes efficiency and compactness, making it perfect for dorm rooms, small apartments, or RV use. Its six place settings and eight programs—including heavy and rapid cycles—offer enough versatility for light household needs. Its faucet hookup and small footprint make it highly adaptable, though the limited capacity of six place settings means it’s not suited for larger families or heavy daily loads. The water consumption per cycle is efficient, but the high maximum temperature may pose risks to sensitive items. Compared with larger 18-inch models, this unit prioritizes portability over capacity, which could be a drawback for some households.
This dishwasher makes sense for those with minimal space and lighter washing needs but falls short for frequent, large loads.
Pros:- Highly compact and lightweight
- Multiple wash programs including heavy and quick cycles
- Easy faucet hookup and flexible placement
- Energy Star certified for efficiency
Cons:- Limited capacity for larger households
- High water temperature may harm delicate items
Best for: Individuals in small spaces, dorm residents, or RV travelers needing a compact, lightweight dishwasher
Not ideal for: Large households or frequent users who require bigger capacity and more robust features
- Dimensions:H17.2″×W20.6″×D21.6″
- Capacity:6 place settings
- Washing Programs:8
- Water Consumption:2.77 gallons per cycle
- Maximum Plate Size:10 inches
- Temperature:Up to 68°C
Bottom line: This small dishwasher suits those with limited space and light washing needs, but isn’t designed for heavy or frequent loads.
SPT SD-9263W 18-Inch Energy Star Portable Dishwasher – White
The SPT SD-9263W offers a spacious interior capable of handling up to eight place settings, making it a strong contender for families or those with regular large loads. Its multiple wash cycles, including heavy and eco options, provide flexibility similar to the BLACK+DECKER and Honeywell models, but with the added convenience of portability. Its easy faucet hookup and adjustable racks make setup straightforward, though the water consumption can be between 2.6 to 5 gallons per cycle, which might increase utility bills for frequent use. Since the noise level isn’t specified, it’s worth noting that operation might be louder than some countertop options. The stainless steel interior enhances durability and cleaning performance.
This unit is best for those who need large capacity with portable convenience, but the leak risks from side sprayers should be considered.
Pros:- Large capacity suitable for families
- Multiple wash cycles including heavy-duty
- Easy faucet connection and adjustable racks
- Energy Star rated for efficiency
Cons:- Potential leak from side sprayers depending on faucet setup
- Water consumption varies, possibly increasing utility costs
Best for: Families or busy households needing a spacious, portable dishwasher with flexible cycle options
Not ideal for: Single users or minimalists who need a smaller or more energy-efficient model
- Capacity:8 place settings
- Input Voltage:120V / 60Hz / 9.18A
- Energy Consumption:237 kWh/year
- Water Consumption:2.6 – 5 gallons per cycle
- Power Consumption:1000W
- Wash Programs:Heavy, Normal, Eco, Glass, 90 Min Rapid
Bottom line: This dishwasher is ideal for larger households seeking a portable option that handles big loads with ease.
SPT SD-9263WA 18-Inch Portable Dishwasher with ENERGY STAR, 6 Wash Programs, 8 Place Settings, Stainless Steel Interior
This model stands out for its combination of energy efficiency and flexible features, making it ideal for small households that want a reliable, full-size dishwasher. Its 6 wash programs, including Eco and Rapid Rinse, provide diverse cleaning options, surpassing simpler models like the BLACK+DECKER 18” Portable Dishwasher which offers fewer cycle choices. The stainless steel interior enhances durability, but the limited capacity of 8 place settings means it’s less suited for larger families or frequent heavy loads. The adjustable upper rack adds convenience for larger items, though setup requires a faucet connection, which could be a hurdle for some. Noise levels are typical for this size, so it’s best suited for homes where quiet operation isn’t a top priority.
Pros:- Energy-efficient with ENERGY STAR certification
- Multiple wash programs for versatile cleaning
- Adjustable upper rack for larger items
Cons:- Limited to 8 place settings, not ideal for big families
- Requires faucet connection, which may need extra setup
- Potentially noisy during operation
Best for: Small households or apartment dwellers needing a full-sized but space-conscious dishwasher with multiple wash options
Not ideal for: Large families or high-volume kitchens where capacity and speed are more critical than space-saving features
- Capacity:8 place settings
- Wash programs:6
- Interior:Stainless Steel
- Width:18 inches
- Energy Star:Yes
- Time Delay:1-24 hours
Bottom line: This dishwasher offers a solid balance of efficiency and versatility for small households needing a full-size fit in limited space.
SPT SD-9263SS 18-Inch Portable Stainless Steel Dishwasher with ENERGY STAR
Compared with the SPT SD-9263WA, this model maintains the same size and energy efficiency but lacks some of the advanced features like an adjustable rack or multiple cycle options, making it a straightforward choice. Its 6 wash programs and 8 place settings suit small to medium households but may fall short for larger families needing heavier or more frequent loads. The stainless steel build offers durability, yet the absence of detailed noise level info leaves some uncertainty about operation quietness. Its simplicity makes it an appealing budget-friendly pick for those who prioritize efficiency over extra features.
Pros:- Energy-efficient with ENERGY STAR certification
- Durable stainless steel construction
- Compact size suitable for small spaces
Cons:- Limited to small to medium loads
- No detailed noise level info
- Requires water connection
Best for: Small to medium households seeking a reliable, energy-efficient dishwasher without extra bells and whistles
Not ideal for: Large families or users wanting extensive customization or larger capacity beyond 8 settings
- Width:18 inches
- Material:Stainless Steel
- Energy Star Certified:Yes
- Wash Programs:6
- Place Settings:8
Bottom line: A straightforward, energy-efficient choice for those with limited space and moderate cleaning needs.
BLACK+DECKER 18” Portable Dishwasher with 8-Place Setting Capacity
This pick excels in ease of use, especially for renters or those with limited space, thanks to its no-permanent-plumbing design and compact footprint. Its 6 wash cycles, including Eco and Rapid, cover most cleaning needs, but the 52 dB noise level might be noticeable in quiet apartments. The stainless steel tub adds durability, and the adjustable top rack offers some flexibility. However, at 116 pounds, it’s heavier than some competitors, which could make repositioning cumbersome. Its size makes it ideal for small kitchens or RVs, but it won’t suit larger households with heavy or frequent dish loads.
Pros:- No permanent plumbing needed for quick setup
- Multiple wash cycles including eco options
- Can double as a workspace or island
Cons:- Relatively heavy for frequent repositioning
- Limited capacity for large families
- Potentially noisy at 52 dB
Best for: Renters or small-space dwellers needing an easy-to-install dishwasher with decent capacity
Not ideal for: Large families or those who frequently run multiple loads daily due to weight and capacity constraints
- Capacity:8 place settings
- Tub Material:Stainless Steel
- Dimensions:16.3” x 20.5” x 26.15”
- Wash Cycles:6
- Hot Water Temp:140°F
- Noise Level:52 dB
Bottom line: Ideal for small kitchens or renters prioritizing quick setup and versatility over large capacity.
Hamilton Beach Portable Dishwasher with Wheels, 19in Wide, 8 Place Settings, White
This dishwasher shines for its mobility, thanks to wheels that make repositioning effortless—perfect for small kitchens or spaces that need frequent reconfiguration. Its 8 place settings and low water consumption cater well to small households, matching the capacity of other 18-inch models like the SPT SD-9263SS. The ability to fit under most cabinets makes it a versatile choice, but its slightly larger width of 19 inches might be a tight squeeze in narrower spaces. The need for a water hookup and its weight of 116 pounds are minor tradeoffs for the convenience of mobility and easy installation.
Pros:- Wheels for easy mobility
- Low water consumption
- Fits under most kitchen cabinets
Cons:- Limited capacity for larger households
- Requires connection to kitchen tap
- Slightly wider than some competitors
Best for: Small households needing a portable, easy-to-move dishwasher that fits under cabinets
Not ideal for: Large families or homes with very limited space, where capacity or fixed installation is preferred
- Width:19 inches
- Capacity:8 place settings
- Color:White
- Interior Material:Stainless Steel
- Water Consumption:Low
Bottom line: A practical choice for those who need a portable dishwasher with mobility and space-saving features.
SPT SD-6513WA 24-Inch Portable Dishwasher with ENERGY STAR, 6 Wash Programs, 10 Place Settings, Stainless Steel Interior – White
This 24-inch model offers a significant edge in capacity, accommodating up to 10 place settings, which makes it suitable for bigger households or those who entertain frequently. Its quiet operation at 52 dBA rivals built-in units and improves daily living. Compared to smaller 18-inch options like the SPT SD-9263WA, this dishwasher requires more space and heavier handling at 132 pounds, which could be a hurdle for some. Its energy-efficient and durable stainless steel interior complements its large size, but the extra footprint limits placement options for smaller kitchens. This model is best for users who prioritize capacity and quiet operation over compactness.
Pros:- Large capacity for up to 10 settings
- Quiet operation at 52 dBA
- Energy-efficient with stainless steel interior
Cons:- Requires significant space for installation
- Heavy at 132 pounds, difficult to move frequently
- No built-in option, only portable
Best for: Bigger households or hosts who need a large, quiet, portable dishwasher that fits in a dedicated space
Not ideal for: Small kitchens or renters with space constraints, due to its 24-inch width and weight
- Capacity:10 place settings
- Dimensions:24″ D x 24″ W x 36″ H
- Weight:132 pounds
- Color:White
- Material:Stainless Steel Interior
- Noise Level:52 dBA
Bottom line: Best suited for larger households needing capacity and quiet performance in a portable, freestanding model.
COMFEE’ Countertop Dishwasher, Energy Star Portable Dishwasher, 6 Place Settings, 8 Washing Programs, Black
The COMFEE’ countertop dishwasher stands out for its compact size, making it ideal for small kitchens, dorms, or RV living. Compared to larger 18-inch models like the BLACK+DECKER 18-Inch Portable Dishwasher, this unit’s size offers unmatched portability, yet it still fits up to 6 place settings—adequate for singles or couples. Its 8 washing programs, including heavy and eco options, provide versatility that larger models may lack in a small footprint. The Energy Star rating ensures efficient water and power use, which is a plus for budget-conscious users. However, its need for a faucet adapter complicates setup for some, and its limited capacity may frustrate larger families. Water inside the unit upon delivery is normal, but that could be a concern for new users unfamiliar with the process.
Pros:- Compact size ideal for small spaces and portable use
- Multiple washing cycles for diverse cleaning needs
- Energy Star rated for efficiency
- Fast 45-minute cleaning cycle
Cons:- Requires a faucet adapter for installation, which adds complexity
- Limited capacity for larger households or frequent dish loads
- Water inside upon delivery may concern new users
Best for: Small households, apartment dwellers, or RV owners needing portable, space-saving dishwashing.
Not ideal for: Families or households with high dish loads who require larger capacity or more robust cycles.
- Dimensions:H17.2″×W21.6″×D19.7″
- Capacity:6 place settings, up to 70 pieces of tableware
- Maximum Plate Size:10 inches
- Water Consumption:2.77 gallons per cycle
- Temperature:Up to 154℉
- Washing Programs:8 (Heavy, Normal, Baby-Care, ECO, Glass, Speed, Mini-party, Rinse)
Bottom line: This pick works best for those prioritizing portability and space-saving features over large capacity.
How We Picked
I evaluated each product based on key factors that matter to buyers: performance, usability, build quality, energy efficiency, and value for money. I prioritized models with reliable washing programs, straightforward installation, and durable construction. The ranking reflects a balance between capacity, features, and affordability—products offering the best overall experience are placed higher, while more niche or specialized models are positioned accordingly. This approach ensures that each pick serves a distinct need, whether it’s budget, capacity, or premium features.Factors to Consider When Choosing Portable Dishwasher Full Size
Choosing a full-size portable dishwasher involves more than just capacity. Consider how much space you have, your typical dishwashing needs, and your budget. Proper installation and ease of use can make or break your experience. It’s also worth considering energy efficiency and build quality to ensure long-term satisfaction. Here are key factors to keep in mind beyond the specs listed in product reviews.Size and Capacity
Size matters when selecting a portable dishwasher. 18-inch models are typically suitable for small households or limited spaces, offering 6-8 place settings. Larger 24-inch units provide more capacity—up to 10-12 place settings—which suits bigger families or frequent entertainers. Ensure your available space can accommodate the unit comfortably, including clearance for water and power connections. Remember, larger models may also weigh more and be less portable, so weigh your mobility needs carefully.
Installation and Space Requirements
Look for models with straightforward installation, especially if you’re not handy. Most portable dishwashers connect to standard kitchen faucets and require minimal setup, but some may need additional adapters or floor space. Consider models with wheels or handles if you plan to move the unit often. Also, measure your countertop or floor space precisely—overlooking space requirements can lead to frustration or the need for rearranging your kitchen layout.
Energy Efficiency and Water Usage
Energy-efficient models save money over time and may qualify for rebates or incentives. Look for ENERGY STAR certification, which indicates lower power consumption and eco-friendly operation. Water usage is equally important—some units have water tanks for off-grid operation, ideal for RVs or areas with water restrictions. Balance your need for efficiency with the capacity and features you desire, as some energy-saving models may have fewer wash cycles or longer cycle times.
Build Quality and Durability
Durability depends largely on materials—stainless steel interiors resist staining and corrosion better than plastic. A sturdy exterior and reliable controls contribute to longevity, especially if you plan to use the dishwasher frequently or move it often. Cheaper models might cut costs with lower-quality materials, which can lead to quicker wear and tear. Consider your long-term needs and whether investing in a higher-quality build makes sense for your usage pattern.
Price and Value
Budget models tend to offer basic functionality but may lack advanced features or durability. Premium options provide more wash cycles, quieter operation, and better materials, but at a higher cost. It’s wise to weigh the features you need against your budget—sometimes paying a bit more upfront results in savings over time through better performance and durability. Look for bundled features that add value, such as multiple wash programs or quick cycle options.
Frequently Asked Questions
Can a portable dishwasher fully replace a built-in unit?
While a portable dishwasher offers significant convenience and flexibility, it may not match the capacity or integration of a built-in model. Portable units are designed to be moved and connected temporarily, often lacking the same capacity or advanced features of built-in options. However, for small spaces, renters, or those who need a temporary solution, a full-size portable can serve as a practical alternative—just keep in mind the tradeoffs in capacity and permanence.
Are portable dishwashers energy-efficient?
Many modern portable dishwashers are energy-efficient, especially those with ENERGY STAR certification. They use less water and electricity per cycle, helping reduce utility bills and environmental impact. However, efficiency varies among models, so it’s best to compare specific energy ratings and water usage details. Choosing an energy-efficient model can make a noticeable difference over time, especially if you run the dishwasher frequently.
How difficult is it to install a portable dishwasher?
Most portable dishwashers are designed for easy setup, typically connecting to a standard kitchen faucet with minimal tools. Many models come with quick-connect fittings and require only a nearby electrical outlet. Moving the unit into position and connecting water and power usually takes less than half an hour. Still, it’s important to measure your available space and ensure your faucet and electrical outlet are compatible to avoid surprises during installation.
What maintenance does a portable dishwasher need?
Regular maintenance involves cleaning the filters, checking for mineral buildup, and running cleaning cycles with descaling agents if needed. It’s also wise to periodically inspect hoses and connections for leaks or wear. Keep the interior dry and clean, and follow the manufacturer’s instructions for detergent use. Proper maintenance extends the lifespan of the unit and keeps it operating efficiently.
Is a larger capacity worth the extra cost?
Opting for a larger capacity model makes sense if you frequently wash large loads or host gatherings often. It reduces the number of cycles needed, saving time and water in the long run. However, larger units tend to be bulkier and more expensive upfront. If your space and budget allow, investing in a full-size, higher-capacity dishwasher can improve convenience, but for occasional use or limited space, a smaller model might be more appropriate.
Conclusion
For those seeking the overall best balance of capacity, features, and reliability, the Honeywell 18 Inch Dishwasher offers a strong all-around performance. Budget-conscious buyers will find the BLACK+DECKER 18-Inch Portable Dishwasher a practical choice without sacrificing essential functions. If you prioritize capacity and premium build quality, the SPT SD-6513WA 24-Inch is worth considering. Beginners or renters should focus on models with straightforward installation, like the EUHOMY 6-Program Countertop. Ultimately, your choice depends on your space, budget, and specific dishwashing needs—use this guide to match the right model to your lifestyle.
