Countertop dishwashers can make daily cleanup easier without requiring a full-size appliance or permanent plumbing. The best models combine low water use, efficient wash cycles, and flexible installation for apartments, offices, RVs, and other compact spaces.
We’ve gathered 10 energy-efficient countertop dishwashers with useful features such as built-in water tanks, quiet operation, multiple programs, and ENERGY STAR certification. Use the guide below to compare capacity, hookup requirements, and operating efficiency before you buy.
Best 10 Energy Efficient Countertop Dishwashers Picks for 2026
Small-Space Efficiency Pick
NOVETE Portable Countertop Dishwasher
- Four-place-setting capacity in a compact design
- 5-liter tank or faucet water supply
- Hot-air drying and 72-hour ventilation
Best For: Small homes, dorms, RVs, and households of three to four
Eco-Feature Pick
- Optimized ECO mode for water and energy savings
- Built-in water softener for hard-water protection
- Eight programs with a 5-liter built-in tank
Best For: Users wanting efficient cycles and water-softening support
Quiet Efficiency Pick
EUHOMY Portable Countertop Dishwasher
- Quiet 40 dB operating rating
- 5-liter tank with no permanent hookup
- ECO cycle plus 60-minute drying
Best For: Quiet apartments, rentals, dorms, and RV kitchens
Capacity and Certification Pick
BLACK+DECKER BCD6W Countertop Dishwasher
- Energy Star certified with an Eco cycle
- Six-place-setting capacity
- Seven wash programs and faucet Quick Connect
Best For: Small kitchens needing higher countertop capacity
Best Slim High-Capacity Pick
AIRMSEN Large Slim Countertop Dishwasher
- 14.2-inch-deep design with two-tier capacity
- Uses about 1.4 gallons per cycle
- Built-in tank, heated drying, and air refresh
Best For: Families needing more capacity in a narrow countertop footprint
Best Energy-Certified Value
- Energy Star certified for efficient operation
- Six-place-setting capacity for small households
- 52 dB operation with tank or faucet connection
Best For: Apartments, dorms, RVs, and homes with two to three people
Best Quiet Compact Tank Model
AIRMSEN Portable Countertop Dishwasher
- 45 dB operation in a compact footprint
- 5-liter built-in tank needs no hookup
- Extra drying and 72-hour ventilated storage
Best For: Small households and RV users prioritizing quiet, flexible placement
Best Overall
COMFEE' 6-Place Countertop Dishwasher
- Energy Star design with as little as 2.77 gallons per cycle
- Eight programs, including ECO, Baby-Care, Glass, and Speed
- Fits up to 70 pieces and 10-inch plates
Best For: Small households wanting capacity and cycle flexibility
Best for No-Hookup Setup
Hermitlux 4-Place Countertop Dishwasher
- Built-in 5-liter tank works without a water hookup
- Five programs include ECO, Fast, Strong, and Fruit cleaning
- Glass door and drying function add convenience
Best For: Renters, RVs, and kitchens without easy faucet access
Best Compact Hygiene Option
COMFEE' Mini Dishwasher with Built-In Tank
- Ultra-compact design with manual-fill 1.32-gallon tank
- 162°F Hygiene cycle for heavily soiled dishes
- Air Refresh mode helps reduce moisture and odors
Best For: Tight spaces needing flexible placement and high-temperature cleaning
Small-Space Efficiency Pick – NOVETE Portable Countertop Dishwasher
The NOVETE is a practical option for shoppers seeking energy efficient countertop dishwashers without giving up useful capacity. Its compact footprint holds up to four place settings, while the 5-liter tank lets you run it without permanent plumbing.
Best For: Small apartments, dorms, boats, campers, and households of about three to four people.
Pros:
- Offers faucet or built-in 5-liter tank operation with no permanent installation.
- Includes five cycles, including a 29-minute Speed mode and a 167°F Baby Care/Heavy mode.
- Provides 60 minutes of hot-air drying and up to 72 hours of automatic ventilation.
- Fits up to 12-inch dishes loaded at an angle and includes a cutlery basket and storage rack.
Cons:
- The four-place-setting capacity may be limited for larger households or oversized cookware.
- Its 18.1-inch height requires adequate clearance under upper cabinets.
Choose the NOVETE if you want flexible filling, strong cleaning options, and built-in drying in a compact package. The tank-based setup is especially useful where plumbing access is limited.
Eco-Feature Pick – HAVA Countertop Dishwasher
The HAVA combines an optimized ECO mode with a built-in water softener, making it a compelling choice among energy efficient countertop dishwashers. Its 5-liter tank supports installation-free use, and the redesigned rack accommodates more dinnerware.
Best For: Apartment, dorm, kitchen, and RV users who want water-softening and energy-saving features.
Pros:
- Optimized ECO mode is designed to reduce water and energy use.
- Built-in water softener helps address hard-water buildup and dishware watermarks.
- Offers eight wash programs, child lock, touch controls, and an 18-hour delayed start.
- Uses a 5-liter tank for flexible placement without plumbing.
Cons:
- The 60 dB operating rating may be noticeable in quiet rooms.
- The compact interior still requires careful loading for larger family-size loads.
HAVA stands out when efficiency means more than cycle consumption alone. Its ECO mode and water-softening system target both resource use and cleaning consistency, while the tank keeps setup simple.
Quiet Efficiency Pick – EUHOMY Portable Countertop Dishwasher
The EUHOMY is a strong fit for shoppers comparing energy efficient countertop dishwashers for open kitchens or shared spaces. It runs at a stated 40 dB, uses a 5-liter tank without permanent plumbing, and includes an ECO cycle for smaller everyday loads.
Best For: Apartments, rentals, dorms, RVs, and anyone prioritizing quiet operation.
Pros:
- Quiet 40 dB operation is suited to work calls, nighttime use, and open living areas.
- Supports tank-fed or faucet-connected operation with no drilling or permanent setup.
- Includes six programs, including ECO, Quick, Baby Care/Heavy, Fruit, and Dry.
- Provides 60 minutes of hot-air drying followed by up to 73 hours of ventilation.
Cons:
- A faucet adapter may be required for compatible G3/4-inch connections.
- Its rack holds plates up to 10.25 inches, which is less accommodating than some larger models.
- Heavy grease or burnt-on residue should be scraped off before loading.
The EUHOMY balances quiet use, flexible placement, and practical cycle choices. It is particularly appealing when noise matters, though shoppers should verify countertop clearance and faucet compatibility before buying.
Capacity and Certification Pick – BLACK+DECKER BCD6W Countertop Dishwasher
The BLACK+DECKER BCD6W is a larger countertop choice for shoppers seeking energy efficient countertop dishwashers with a six-place-setting capacity. Its Energy Star certification, Eco cycle, and seven wash programs provide flexibility for routine and specialized loads.
Best For: Small kitchens and households that need more capacity than compact tank-style models provide.
Pros:
- Energy Star certified and includes an Eco cycle.
- Holds up to six place settings in a stainless-steel interior.
- Offers seven cycles, including Normal, Intensive, Glass, Rapid, Soak, and 90 Minutes.
- Quick Connect assembly attaches to a faucet without permanent plumbing.
Cons:
- At 21.5 by 21.7 by 17.2 inches and 46.2 pounds, it is larger and heavier than the other listed models.
- Its 60 dB noise rating may be more noticeable than quieter alternatives.
- The supplied notes describe faucet connection rather than a built-in water tank.
This model makes sense when capacity and recognized efficiency certification are priorities. Its larger footprint and faucet-based setup are trade-offs, so measure the counter and confirm the connection arrangement first.
Best Slim High-Capacity Pick – AIRMSEN Large Slim Countertop Dishwasher
For shoppers comparing energy efficient countertop dishwashers, this AIRMSEN model combines a 14.2-inch depth with a larger two-tier interior. Its built-in tank avoids plumbing, while delay start can help schedule cycles during off-peak hours.
Best For: Families of four to six needing slim-counter storage, larger dish capacity, and flexible installation.
Pros:
- Holds up to five place settings and plates up to 11.8 inches with the upper rack removed.
- Uses about 1.4 gallons per cycle and includes a built-in water softener.
- Offers seven programs, heated drying, and optional 72-hour air-refresh ventilation.
- Three high-pressure spray arms and a 167°F wash target heavy grease and residue.
Cons:
- Its 19.5-inch height requires at least 23.5 inches of cabinet clearance for tank refilling.
- At 56 dB, it is louder than some compact alternatives.
- The 38.6-pound weight may make frequent repositioning inconvenient.
This is a strong choice when capacity and water savings matter more than the smallest footprint. Confirm overhead clearance and counter depth before buying.
Best Energy-Certified Value – Midea Countertop Dishwasher
This Midea is a practical option among energy efficient countertop dishwashers, pairing Energy Star certification with a portable design and refillable tank. Its six-place-setting capacity suits smaller households, while multiple wash options cover everyday loads.
Best For: Two- to three-person households in apartments, dorms, RVs, or other small spaces.
Pros:
- Holds up to six place settings or about 70 pieces of tableware.
- Energy Star certified and uses 2.77 gallons of water per tank fill.
- Includes six wash cycles plus extended dry, power wash, and 1- to 24-hour delay start.
- Runs at a relatively quiet 52 dB and supports faucet connection or tank filling.
Cons:
- Its 20-inch depth requires more counter space than slim models.
- Power Wash cannot be used with Auto, Rapid, or MachineCare+ programs.
- A suitable faucet adapter may be needed for direct connection.
The Midea balances recognized energy certification, useful capacity, and quiet operation at a manageable countertop size. Measure your available depth and check faucet compatibility before installation.
Best Quiet Compact Tank Model – AIRMSEN Portable Countertop Dishwasher
For buyers seeking energy efficient countertop dishwashers with maximum placement flexibility, this compact AIRMSEN uses a built-in 5-liter tank and needs no hookup. It also adds low-noise operation, high-temperature cleaning, and ventilated storage for small kitchens.
Best For: Families of three to four in small homes, apartments, RVs, or campers that need a quiet no-installation option.
Pros:
- Uses 5 liters of water per cycle and can operate without a water connection.
- Fits more than 40 items and plates up to 12 inches when angled slightly.
- Runs at 45 dB and offers extra drying plus 72 hours of ventilated storage.
- Uses 167°F water, 14 washing nozzles, and upper and lower spray arms for thorough cleaning.
Cons:
- The five main programs provide fewer cycle choices than some larger models.
- Its 18.05-inch height and 16.86-inch depth still require careful counter measurement.
- The listed annual energy consumption is 106 kWh, so electricity use may vary by cycle and settings.
This model stands out for quiet operation, flexible tank filling, and compact dimensions. It is especially appealing when you want countertop convenience without committing to plumbing changes.
Best Overall – COMFEE' 6-Place Countertop Dishwasher
For shoppers comparing energy efficient countertop dishwashers, the COMFEE’ CDC22P1BBB stands out with an Energy Star design, eight programs, and capacity for up to six place settings. Its faucet connection, 2.77-gallon minimum water use per cycle, and 45-minute Speed program suit busy small households.
Best For: Couples, small families, apartments, dorms, RVs, and anyone wanting the broadest cycle selection.
Pros:
- Fits up to 70 pieces of tableware and plates up to 10 inches in diameter.
- Eight programs include ECO, Baby-Care, Glass, Heavy, Speed, and Rinse.
- Heavy cycle uses 12 nozzles, 360-degree spray coverage, and water temperatures up to 154°F.
- Includes faucet adapter, inlet hose, drain hose, and quick-connect hardware.
Cons:
- At 46 pounds, it is heavier than the other listed options.
- Requires a suitable faucet adapter for direct faucet connection.
- Its 21.7-inch width may be substantial for very tight counters.
This is the most versatile choice of the three, pairing strong cleaning features with relatively low reported water use. Choose it if you have room for its larger footprint and want multiple specialized cycles.
Best for No-Hookup Setup – Hermitlux 4-Place Countertop Dishwasher
The Hermitlux countertop model is a practical pick among energy efficient countertop dishwashers when you want flexible installation. Its built-in 5-liter tank works without a permanent hookup, while five wash programs, drying, and a compact footprint support apartment, RV, dorm, and boat use.
Best For: Renters, RV owners, and small kitchens without a convenient faucet connection.
Pros:
- Built-in 5-liter water tank allows operation without installation.
- Can also connect to a faucet when that setup is more convenient.
- Five programs include ECO, Fast, Strong, Standard, and Fruit cleaning.
- Glass door lets you monitor the wash, and the drying function helps keep dishes dry.
Cons:
- Four-place-setting capacity is smaller than the COMFEE’ six-place model.
- The manufacturer specifies at least 19.88 inches of clearance beneath wall cabinets.
- Some batches may not include the adapted funnel.
Its tank-based design removes much of the setup hassle, making this a strong choice for temporary or unconventional kitchen spaces. Its smaller capacity is best suited to lighter daily loads.
Best Compact Hygiene Option – COMFEE' Mini Dishwasher with Built-In Tank
For very limited counter space, this COMFEE’ mini model offers a built-in 1.32-gallon tank and no-hookup operation in an ultra-compact format. Its Hygiene cycle reaches 162°F, while Air Refresh, five wash programs, and a faucet option make it a flexible choice among energy efficient countertop dishwashers.
Best For: Small apartments, dorms, campers, and users prioritizing a compact footprint and high-temperature cleaning.
Pros:
- Manual-fill tank allows placement away from a faucet, with included hose and adapter for faucet use.
- Hygiene cycle heats water to 162°F for heavily soiled dishes and children’s dinnerware.
- Air Refresh circulates air to reduce moisture and odors inside the machine.
- Washes more than 30 items and accepts plates up to 9.5 inches.
Cons:
- Its 62 dB noise rating is higher than the other listed models.
- Capacity is smaller than the six-place COMFEE’ model.
- Standard dishwasher detergent is required; regular liquid dish soap can cause problems.
This model emphasizes portability and hygiene in a particularly small package. It is a good fit when counter space is scarce, though shoppers sensitive to operating noise may prefer a quieter alternative.
How We Picked the Best Energy Efficient Countertop Dishwashers
We focused on countertop models suited to small households and flexible installations. Each selection was considered for energy-conscious operation, water usage, wash-cycle variety, capacity, noise, footprint, and setup requirements. Models with built-in tanks are especially useful where a faucet connection is inconvenient, while ENERGY STAR-certified options provide an easier efficiency benchmark.
We also considered practical details that affect everyday ownership, including drying performance, interior space, portability, controls, and whether the dishwasher can handle plates, cookware, glasses, or baby items. Product claims and specifications can vary by configuration, so confirm the current listing before purchasing.
Quick Comparison
| Best For | Features to Look For |
|---|---|
| Small apartments | Built-in water tank, compact footprint, simple drainage |
| Lowest verified energy use | ENERGY STAR certification and an ECO cycle |
| Quiet kitchens or offices | Noise ratings around 40–50 dB |
| Families or frequent loads | Larger interior, six place settings, adjustable racks |
| RVs and temporary spaces | Portable design, tank operation, and flexible drain hose |
Key Buying Factors for Energy-Efficient Countertop Dishwashers
Energy and Water Efficiency
Look for ENERGY STAR certification when available, along with ECO or speed cycles that reduce heating and water consumption. Remember that air-dry settings generally use less electricity than heated drying. Efficient loading matters too: running full loads usually saves more water and energy than repeated partial cycles.
Capacity and Rack Layout
Countertop dishwashers commonly handle around four to six place settings, but usable space depends on the rack design. Check the maximum plate diameter and interior height if you regularly wash dinner plates, travel mugs, pans, or larger utensils.
Water-Tank Versus Faucet Hookup
A built-in tank offers the most installation flexibility, but filling it manually adds a step to every cycle. Faucet-connected models can be faster for frequent use, provided your faucet has a compatible removable aerator. Confirm that the drain hose can reach a sink or suitable drain point.
Noise, Drying, and Cycle Options
A lower decibel rating is helpful in studio apartments, bedrooms, and offices. Multiple programs can improve efficiency by matching the wash to the load, while enhanced drying may be useful for plastics but can increase power consumption.
Who Should Buy Which Energy Efficient Countertop Dishwashers?
Choose a tank-based model if you rent, live in an RV, or cannot modify the plumbing. Choose an ENERGY STAR-certified model if reducing electricity use is your main priority. Choose a six-place-setting dishwasher if you wash dishes for more than one or two people or want to run fewer cycles. Choose a quieter model for open-plan kitchens, small apartments, or nighttime use. Finally, prioritize a compact footprint and straightforward controls if convenience and storage matter more than maximum capacity.