If you want a dishwasher that fits a tight kitchen without wasting water or power, energy efficient countertop dishwashers are a smart place to start.
Below, we’ve rounded up 10 strong options for apartments, RVs, dorms, and small homes, with a focus on efficiency, convenience, and real-world usability.
Best 10 Energy Efficient Countertop Dishwashers Picks for 2026
Energy-Saving Compact Choice
SPT SD-2224DS ENERGY STAR Countertop Dishwasher
- ENERGY STAR compact countertop design
- 7 wash cycles plus 2/4/6/8-hour delay start
- Universal faucet adapter and Quick Connect
Best For: Small households that want a simple, efficient countertop dishwasher
Quiet Tank-Fed Option
EUHOMY 6-Program Countertop Dishwasher
- Built-in 5L tank or faucet connection
- Runs at a quiet 40 dB
- Uses 5L / 1.32 gallons for small loads
Best For: Portable setups that need quiet operation and no-install flexibility
Slim High-Capacity Pick
AIRMSEN Slim Countertop Dishwasher with Water Tank
- Slim 14.2-inch depth for tight counters
- Built-in tank uses about 1.4 gallons per cycle
- 7 wash programs plus delay start and air refresh
Best For: Space-tight kitchens that still need room for larger dishes
Budget-Friendly Energy Star Pick
Midea 6-Place Energy Star Countertop Dishwasher
- Energy Star certified with 2.77-gallon water use
- 6+2 cycles plus 1-24 hour delay start
- Fits up to 6 place settings
Best For: Small households wanting a compact, efficient everyday dishwasher
Eco-Smart Portable Pick
HAVA Countertop Dishwasher with Water Softener
- Optimized ECO mode reduces water and energy use.
- Built-in water softener helps with hard water and watermarks.
- 5 L tank and no-plumbing setup suit small spaces.
Best For: Small apartments, RVs, and hard-water homes
Certified Saver
BLACK+DECKER Energy Star Countertop Dishwasher
- Energy Star certified with an Eco wash cycle.
- Seven wash programs offer flexible cleaning choices.
- Quick Connect hookup avoids permanent plumbing.
Best For: Small kitchens, RVs, and efficiency-minded buyers
Compact Tank Choice
Hermitlux 5L Countertop Dishwasher
- Built-in 5L tank allows no-hookup use.
- 0.38 kWh energy consumption supports efficient operation.
- Five programs include ECO, fast, and strong cleaning.
Best For: Dorms, apartments, and small kitchens with no plumbing
Compact Tank-Style Cleaning
AIRMSEN Portable Countertop Dishwasher, No Hookup Needed
- 5-liter built-in tank for flexible placement
- Cleans 40+ items in a compact footprint
- Uses 5L per cycle with added drying/storage
Best For: Small homes, apartments, and RVs needing no-installation washing
Space-Saving Hygiene Pick
COMFEE' Portable Mini Dishwasher Countertop
- 1.32-gallon built-in tank for no-hookup use
- Six programs including Hygiene, Rapid, and Glass
- Air Refresh helps keep dishes and machine dry
Best For: Tiny kitchens that want hygiene-focused cleaning and flexible placement
Family-Focused Water Saver
HAVA Countertop Dishwasher, 6 Programs Portable Dishwasher
- 5L tank or faucet hookup for flexible setup
- More than 30 pieces capacity with 4 place settings
- 167°F Baby Care mode plus drying and ventilation
Best For: Families wanting a larger compact dishwasher with flexible water options
Energy-Saving Compact Choice – SPT SD-2224DS ENERGY STAR Countertop Dishwasher
If you want energy efficient countertop dishwashers with a proven compact format, the SPT SD-2224DS is built around everyday convenience. It offers 7 wash cycles, a delay start timer, and an ENERGY STAR design, making it a practical fit for small kitchens that still need flexible cleaning options.
Best For: Apartment kitchens, small households, and buyers who want a simple countertop model with multiple cycle choices.
Pros:
- 7 wash cycles include heavy, normal, light, mini party, rinse, speed, and soak.
- Delay start can be set for 2, 4, 6, or 8 hours.
- Quick Connect and a universal faucet adapter help with hookup to most kitchen faucets.
- LED display shows remaining time or current status, plus warning indicators for water supply and rinse aid.
Cons:
- Countertop design and 6-place-setting capacity may be limiting for larger households.
- At 55 dB, it is not the quietest option in this group.
- It does not include a built-in water tank, so faucet connection is part of setup.
Overall, this SPT model is a straightforward pick if you value ENERGY STAR efficiency, flexible cycles, and a no-frills layout. It stands out most for buyers who want a dependable compact dishwasher rather than extra-smart features.
Quiet Tank-Fed Option – EUHOMY 6-Program Countertop Dishwasher
For shoppers comparing energy efficient countertop dishwashers, the EUHOMY 6 Programs model stands out for its low water use, built-in tank, and quiet operation. It supports both tank and faucet setups, and its 5L reservoir makes it easy to run small daily loads without a full plumbing install.
Best For: Apartment, RV, boat, and small-kitchen users who want flexible water input and a quieter machine.
Pros:
- Built-in 5L water tank or faucet connection adds installation flexibility.
- Uses only 5L / 1.32 gallons for small loads, with ETL and DOE certification.
- 40 dB operation is very quiet for a countertop dishwasher.
- Fast cycle can finish a wash in 29 minutes, with drying available on most cycles.
Cons:
- Not compatible with liquid detergent; powder or tablets are required.
- It cannot wash BPA plastics products, according to the notes.
- The product note recommends leaving more than 20 inches of vertical clearance, which may be restrictive under some cabinets.
This is a strong option if your priority is flexibility, low water use, and quiet everyday cleaning. It is especially appealing for portable setups where a built-in water tank is more useful than a standard plumbed design.
Slim High-Capacity Pick – AIRMSEN Slim Countertop Dishwasher with Water Tank
If you need an energy efficient countertop dishwasher that saves space without feeling cramped inside, the AIRMSEN Large Slim model is worth a close look. Its slim 14.2-inch depth helps it fit narrow counters, while the expanded interior, 3 spray arms, and built-in water tank support thorough cleaning for daily use.
Best For: Families of 4-6 or space-limited kitchens that still need room for larger dishes and pans.
Pros:
- Slim 14.2-inch depth makes it easier to place on narrow counters or shelves.
- Holds up to 5 place settings and larger items up to 18.5 inches long with the rack adjusted.
- Built-in tank uses about 1.4 gallons per cycle and is designed to save water versus handwashing.
- 7 wash programs plus extra options like delay start and air refresh add flexibility.
Cons:
- The unit is relatively tall, and the notes recommend at least 23.5 inches of cabinet height for refilling.
- It uses 950 watts, which is worth noting for buyers focused on power draw.
- Some drying functions do not apply to every cycle, including Fruit and Delicate.
Overall, this AIRMSEN model is a smart choice when countertop depth is the main constraint but you still want solid capacity. The combination of a slim footprint, water tank, and multiple wash options makes it especially practical for compact homes.
Budget-Friendly Energy Star Pick – Midea 6-Place Energy Star Countertop Dishwasher
Among energy efficient countertop dishwashers, the Midea Countertop Dishwasher is a practical everyday option for small households. It fits 6 place settings, connects directly to a faucet with an adaptor, and includes water-saving and Energy Star-certified operation for apartments, dorms, and RV use.
Best For: 2-3 person households that want a compact, Energy Star countertop dishwasher with simple controls.
Pros:
- Holds up to 6 place settings and about 70 pieces of tableware.
- Energy Star certified with a water consumption of 2.77 gallons.
- 6+2 washing cycles include Auto, Heavy, Normal, Quick, Rinse, and Delicate.
- Delay start from 1 to 24 hours and extended dry/power wash functions add convenience.
Cons:
- Needs a suitable faucet adaptor for direct connection.
- Its 52 dB noise level may still be noticeable in very quiet spaces.
- Capacity is best suited to small households rather than larger families.
This Midea model is a solid pick if you want a familiar layout with Energy Star efficiency and a useful cycle mix. It is best for buyers who want a compact dishwasher that handles daily dishes without a complicated setup.
Eco-Smart Portable Pick – HAVA Countertop Dishwasher with Water Softener
If you want an energy efficient countertop dishwasher for small-space living, this HAVA model is built around practical savings. Its optimized ECO mode is designed to reduce water and energy use, while the built-in 5 L tank and no-plumbing setup make it easy to place in a dorm, apartment, RV, or compact kitchen.
Best For: Apartment dwellers, RV owners, and anyone dealing with hard water who wants a portable, low-hassle dishwasher.
Pros:
- Optimized ECO mode helps save water and energy.
- Built-in water softener helps reduce limescale and watermarks.
- 5 L water tank means no plumbing is required.
- 8 wash programs, child lock, and 18-hour delay start add flexibility.
Cons:
- Smaller countertop format limits overall load size versus full-size dishwashers.
- Requires manual filling when using the tank mode.
- Made for compact setups, so it is not ideal for larger households with heavy daily dish loads.
Overall, this HAVA unit stands out if your priority is efficient operation plus simple placement. The water softener is a useful extra for hard-water homes, and the ECO program makes it a strong fit for buyers focused on energy efficient countertop dishwashers.
Certified Saver – BLACK+DECKER Energy Star Countertop Dishwasher
This BLACK+DECKER model is a straightforward pick if you want energy efficient countertop dishwashers with a recognized efficiency certification. It offers an Eco cycle, seven wash programs, and a quick faucet hookup, making it a practical option for compact kitchens that still need reliable everyday cleaning.
Best For: Small kitchens, RVs, and buyers who want an Energy Star certified portable dishwasher with simple hookup.
Pros:
- Energy Star certified and includes an Eco wash cycle.
- Seven wash programs provide useful cleaning options.
- Quick Connect design makes faucet hookup simple with no permanent installation.
- Fits up to 6 place settings, which is generous for a countertop unit.
Cons:
- Needs faucet connection rather than a built-in tank.
- Larger countertop footprint than some compact alternatives.
- At 46.2 lbs., it is less portable than lighter mini dishwashers.
For shoppers who care about efficiency labels and a familiar brand name, this BLACK+DECKER unit is easy to understand and easy to live with. The Eco cycle and Energy Star certification make it a solid choice among energy efficient countertop dishwashers.
Compact Tank Choice – Hermitlux 5L Countertop Dishwasher
The Hermitlux countertop portable dishwasher is a compact option for buyers who want energy efficient countertop dishwashers with a built-in water tank. It offers a 5L tank, five washing programs, and a low 0.38 kWh energy consumption rating, making it a strong fit for smaller homes where efficiency and convenience matter.
Best For: Dorms, apartments, boats, and small kitchens that need no-hookup washing with low energy use.
Pros:
- Built-in 5L water tank supports no-installation use.
- Low 0.38 kWh energy consumption is a standout efficiency detail.
- Five wash programs include ECO and strong cleaning options.
- 50 dB noise level and glass door add everyday convenience.
Cons:
- 4 place-setting capacity is modest.
- Requires manual filling in tank mode.
- Designed for compact spaces, so it is not suited to large family loads.
If you want a tank-based countertop dishwasher that keeps energy use low, this Hermitlux model deserves attention. Its no-hookup design and efficient operation make it an easy recommendation for people comparing energy efficient countertop dishwashers for tight spaces.
Compact Tank-Style Cleaning – AIRMSEN Portable Countertop Dishwasher, No Hookup Needed
If you’re comparing energy efficient countertop dishwashers for a small kitchen, the AIRMSEN is built around flexibility and low water use. Its 5-liter built-in tank lets you run a cycle without plumbing, while the compact body still handles more than 40 items and 12-inch plates placed at an angle.
Best For: Apartments, RVs, and small households that want no-installation dishwashing with a built-in tank.
Pros:
- No hookup required thanks to the built-in 5-liter water tank.
- Uses only 5L of water per cycle and is described as more energy-efficient than handwashing.
- Fits 40+ items and can take up to 12-inch plates at a slight angle.
- Includes extra drying time and 72-hour ventilated storage for added convenience.
Cons:
- Large plates need to be loaded at a slight angle.
- At 950 watts, it is efficient on water use but not especially low-powered.
- Best fit is smaller households rather than big daily loads.
The AIRMSEN makes sense if you want a portable countertop dishwasher that saves water without forcing a permanent install. Its compact size, multiple wash modes, and drying/storage features make it a practical everyday helper for tight spaces.
Space-Saving Hygiene Pick – COMFEE' Portable Mini Dishwasher Countertop
The COMFEE’ is a strong option if your shortlist of energy efficient countertop dishwashers needs a compact model with a built-in tank and helpful hygiene features. It holds 1.32 gallons of water, washes 30+ items, and offers dedicated programs for normal loads, quick cleanup, delicate glassware, and fruit.
Best For: Small apartments, dorms, boats, and RVs where counter space is limited and hygiene cycles matter.
Pros:
- Built-in 1.32-gallon tank supports no-hookup placement anywhere suitable.
- Six programs include Hygiene, Rapid, Glass, and Fruit modes.
- Hygiene cycle heats water to 162°F for tougher messes and baby dinnerware.
- Air Refresh helps keep dishes and the machine dry and fresh.
Cons:
- Max plate size is 9.5 inches, so larger dinnerware won’t fit.
- Requires dishwasher-specific detergent rather than regular liquid dish soap.
- At 62 dB, it is louder than some competing countertop units.
For buyers who value compact size plus cleaning flexibility, this COMFEE’ model covers the basics well. The built-in tank and hygiene-focused cycle set make it a sensible pick for small-space kitchens that need everyday convenience.
Family-Focused Water Saver – HAVA Countertop Dishwasher, 6 Programs Portable Dishwasher
The HAVA countertop dishwasher is a practical fit for shoppers looking at energy efficient countertop dishwashers with a little more capacity. It uses a built-in 5L tank or faucet connection, fits more than 30 pieces of kitchenware, and includes wash modes for everyday loads, heavier messes, and fruit.
Best For: Families, apartments, and RV users who want flexible filling options and a larger interior.
Pros:
- Supports both a 5L built-in tank and a faucet hookup.
- Fits more than 30 pieces of kitchenware and up to 4 place settings.
- Uses only 5L of water per cycle, which the brand says cuts water use by 75%.
- Heavy/Baby Care mode reaches 167°F, with drying and 72-hour ventilation included.
Cons:
- It operates at 950 W, so the main efficiency gain is water savings rather than very low power draw.
- At 60 dB, it is not the quietest compact dishwasher.
- 11-inch dishes must be loaded at an angle.
If you want a countertop model that balances portability, capacity, and water savings, HAVA is easy to recommend. The dual water-supply setup and broad cycle selection make it adaptable for day-to-day kitchen use.
How We Picked These Energy Efficient Countertop Dishwashers
We looked for models that balance low water consumption, compact size, and practical cleaning performance. Priority went to Energy Star-certified units, water-tank designs for flexible placement, multiple wash programs, and features that improve everyday efficiency such as delay start, built-in filtration, and better spray coverage.
We also considered setup convenience. Some buyers want a true plug-and-play machine with a tank, while others prefer a hose-connected unit that can run more like a traditional dishwasher.
Quick Comparison: What Matters Most
In this category, the main tradeoffs are capacity, installation flexibility, and efficiency features. Larger slim models usually hold more dishes, while tank models are easier to place anywhere. If you value the lowest operating cost, look closely at Energy Star certification and cycle options. If you value convenience, focus on models with a built-in tank, clear controls, and enough room for your daily load.
Key Buying Factors for Energy Efficient Countertop Dishwashers
Water Use and Cycle Efficiency
Look for machines that clean well without requiring unnecessary rinse cycles or oversized wash settings. Eco-minded programs can save water and energy, especially for lightly soiled loads.
Capacity and Footprint
Make sure the interior can handle your plates, bowls, and cups without forcing awkward loading. A model that fits your dishes properly is often more efficient than one that is simply larger.
Water Supply Style
Tank-based models work well for renters, RVs, and kitchens without a nearby hookup. Hose-connected models may be better for regular home use if you want faster refills and less manual filling.
Noise, Drying, and Convenience
Quiet operation matters in small spaces. Helpful extras like delay start, child lock, and air-dry or enhanced drying functions can make daily use easier without adding much complexity.
Who Should Buy Which Energy Efficient Countertop Dishwashers?
Choose a compact Energy Star model if your priority is lower utility use and straightforward setup. Pick a tank-powered unit if you need portability or no-hookup flexibility. Go for a slim larger-capacity option if you frequently wash dishes for two or more people and want fewer daily cycles.
For most shoppers, the best Energy Efficient Countertop Dishwashers are the ones that match your space, water access, and typical dish load—not just the one with the most features on paper.