10 Best Dishwashers At Costco: Buyer's Guide | SHR

If you’re looking for reliable dishwashers at Costco, here are key points to keep in mind to make an informed choice:

• Wide Range of Brands: Costco offers a variety of trusted brands, including Bosch, GE, LG, and Samsung, giving you options for different budgets and feature preferences.

• Energy Efficiency: Many Costco models are ENERGY STAR certified, helping reduce electricity and water usage while keeping performance high.

• Noise Levels: Look for models with decibel ratings under 50 dB if you want a quiet dishwasher suitable for open-plan kitchens.

• Capacity and Rack Configurations: Check the number of place settings and adjustable racks. Flexible interiors make it easier to wash large pots, pans, and delicate glassware.

• Wash Cycles and Features: Consider models with multiple wash cycles, including heavy, quick, eco, and sanitize options. Additional features like delayed start and smart controls can enhance convenience.

• Durability and Warranty: Costco often includes extended warranties or protection plans. Bosch and GE models, for instance, are known for long-lasting components and dependable performance.

• Price vs Features: Costco pricing can be competitive, offering premium features at lower costs compared to traditional retail. Compare models to find the right balance of price and functionality.

• Customer Support: Costco’s customer service and return policies provide added peace of mind, making it easier to address issues or exchanges.

• User Reviews: Check online reviews and in-store feedback. Costco members often share insights on performance, maintenance, and longevity.

• Installation Services: Costco sometimes offers installation services or packages, simplifying the setup process for built-in or countertop models.

The selections below highlight the best dishwashers at Costco based on a balanced evaluation of performance, efficiency, and everyday usability. Each option reflects strong overall value and practical features suited to a range of household needs. This curated list is intended to simplify comparison and support a more informed choice.

Source: Amazon

Best Space-Saver: Midea MDF18A1AST Built-in Dishwasher

This Midea under-counter dishwasher features a slim 18-inch design with an 8 place setting capacity, making it suitable for compact kitchens. It includes a digital display, six wash programs, and enhanced functions such as Heated Dry, Hi-Temp, and Sanitize for flexible and efficient cleaning.

Pros

• Compact slim design
• Multiple wash programs
• Heated dry function
• Hi-temp sanitation

Cons

• Moderate noise level

The dishwasher delivers reliable cleaning performance across a range of loads, with its Hi-Temp and Sanitize functions providing added assurance for heavily soiled items and sensitive dishware like baby bottles. The interior is thoughtfully arranged to handle plates up to 11 inches, though capacity may still feel limited for larger households. The digital controls are straightforward, contributing to an easy user experience, while the Heated Dry function reduces the need for manual drying in most cycles. Noise at 52 decibels is noticeable but generally acceptable for typical home environments.

User feedback tends to highlight its space efficiency and practical feature set, especially for apartments or smaller kitchens. Some users note that while it handles daily loads well, the capacity and noise level may not fully match larger, premium models.

This model is best suited for small households or kitchens where space efficiency and functional versatility are priorities.

Best Quiet Operation: Honeywell 18 Inch Dishwasher with 8 Place settings

This Honeywell under-counter dishwasher offers an 8 place setting capacity in a compact 18-inch form factor, paired with a low 42 dB noise level for quieter operation. It includes six wash programs, a stainless steel tub, and a 24-hour delay timer for flexible scheduling.

Pros

• Quiet performance
• Energy-efficient operation
• Multiple wash programs
• Delay start timer

Cons

• Limited capacity

The dishwasher provides consistent cleaning results for everyday loads, with multiple cycle options that adapt well to different dish types and soil levels. Its 42 decibel noise rating makes it noticeably quieter than many comparable compact models, which can be beneficial in open living spaces. The stainless steel tub supports durability and helps maintain efficient washing performance over time. While the interior accommodates standard place settings comfortably, larger cookware or bulk loads may require more frequent cycles.

User feedback generally points to its quiet operation and straightforward controls as key strengths. Some users note that the smaller capacity can be a limitation for larger households or heavier daily use.

This model is best suited for smaller households or users who prioritize quiet performance and energy efficiency in a compact dishwasher.

Best Portable: Portable Countertop Dishwashers, NOVETE Compact Dishwashers

This NOVETE countertop dishwasher features a compact design with a built-in 5 L water tank and dual water supply options, allowing use without permanent installation. It supports up to 4 place settings and includes multiple wash cycles, high-temperature Baby Care mode, and extended drying with automatic ventilation.

Pros

• No installation required
• Dual water supply modes
• High-temperature cleaning
• Extended drying system

Cons

• Small capacity

The unit delivers practical performance for small households, with flexible setup options that make it suitable for apartments, dorms, or RV use. Its Baby Care mode reaches higher temperatures, which helps with sanitizing heavily soiled items and delicate dishware. The integrated drying system, combined with periodic ventilation, keeps dishes dry and reduces odor buildup over time. While it handles daily loads efficiently, the limited capacity means larger households may need to run multiple cycles.

User feedback often highlights its convenience and portability, especially the ability to operate without direct plumbing. Some users note that the compact size requires careful loading and may not accommodate bulkier cookware.

This model is best suited for small households, renters, or anyone needing a portable dishwasher with flexible installation options.

Best Capacity: COMFEE’ Countertop Dishwasher, Energy Star Portable Dishwasher

This COMFEE' countertop dishwasher offers a 6 place setting capacity in a portable design, with eight washing cycles and touch controls for flexible operation. It connects directly to a faucet and features high-temperature cleaning up to 154°F along with extra-drying functionality.

Pros

• Larger compact capacity
• Multiple wash cycles
• Flexible installation
• High-temperature cleaning

Cons

• Moderate noise level

The dishwasher provides solid cleaning performance for its size, supported by 360-degree spray coverage and multiple cycle options that adapt well to different loads. Its 6 place setting capacity stands out among compact models, making it more practical for small households that need slightly higher throughput. Installation is straightforward with a faucet connection, adding convenience for renters or temporary setups. While the noise level is typical for this category, it may still be noticeable in quieter living spaces.

User feedback often emphasizes its balance between size and capacity, along with its ease of setup and variety of wash programs. Some users mention that, despite its versatility, it still requires careful loading to maximize efficiency.

This model is best suited for small households or apartments needing a higher-capacity countertop dishwasher with flexible installation.

Best Compact Design: Hermitlux Countertop Dishwasher, 5 Washing Programs Portable

This Hermitlux countertop dishwasher features a space-saving footprint with a built-in 5 L water tank and dual water supply modes for flexible use. It supports 4 place settings and includes five wash programs, high-temperature cleaning, and a drying function with PTC hot air.

Pros

• Ultra-compact size
• Dual water supply modes
• High-temperature wash
• Touch panel controls

Cons

• Limited capacity

The dishwasher is designed for convenience in tight spaces, offering straightforward setup with or without a direct water connection. Its dual spray arms and multiple wash programs provide consistent cleaning for everyday dishes, while the high-temperature mode helps address grease and sanitize items like baby bottles. The glass door adds a practical viewing feature, allowing users to monitor cycles without interruption. While performance is reliable for small loads, the compact interior requires careful arrangement and may not suit larger cookware.

User feedback often highlights its ease of use and portability, especially for apartments and RV settings. Some users note that capacity constraints can limit efficiency when handling multiple meals’ worth of dishes.

This model is best suited for individuals or small households needing a highly compact, portable dishwasher for limited kitchen space.

Reliability in dishwashers is often measured by durability, consistent performance, and low maintenance needs. Brands like Bosch, Miele, and KitchenAid are widely recognized for high reliability. Bosch, in particular, has a strong reputation for long-lasting performance, quiet operation, and consistent cleaning results. Miele, although pricier, is engineered for decades of use and minimal repairs. KitchenAid models balance reliability with professional-grade features for home use. In general, mid-range brands like LG or Samsung perform well but may encounter occasional issues with electronics or water sensors. If long-term reliability is your priority, Bosch and Miele often come out on top.

Is GE or Bosch dishwasher better?

Comparing GE and Bosch, the choice largely depends on your priorities. Bosch is known for quiet operation, efficient cleaning, and high build quality, making it a favorite for households where noise reduction and durability matter. GE dishwashers tend to offer more feature-rich models at competitive prices, including smart technology integration and advanced wash cycles. However, GE models are usually noisier than Bosch, and some users report occasional mechanical or electronic issues over time. If you value quiet and long-term performance, Bosch is typically better. If you want extra features and a slightly lower upfront cost, GE may be more appealing.

Which dishwasher is best, LG or Bosch?

LG and Bosch are both reputable, but they differ in strengths. Bosch dishwashers excel in quiet operation, energy efficiency, and consistent cleaning, with high-quality interior components and racks. LG dishwashers often feature innovative technology, such as TrueSteam for sanitizing and smart home integration, which can appeal to tech-savvy users. In terms of reliability, Bosch has a slight edge due to fewer long-term mechanical issues. LG models are also very capable, but some users report occasional problems with water sensors or Wi-Fi features. Ultimately, if you prioritize durability and quietness, Bosch is the safer choice; if you want advanced features and a modern interface, LG could be preferable.

What's the difference between a $500 dishwasher and a $1000 dishwasher?

The price difference between a $500 dishwasher and a $1000 dishwasher usually reflects build quality, features, noise level, and efficiency. Lower-priced models typically have basic stainless steel or plastic interiors, fewer wash cycles, louder operation, and standard drying performance. Higher-priced models often feature stainless steel tubs, advanced cleaning systems, adjustable racks, multiple specialized wash cycles, and quieter operation (sometimes below 45 dB). They also tend to last longer and require fewer repairs. Additionally, premium dishwashers may include smart connectivity, self-cleaning filters, and energy-efficient certifications, which are rarely found in entry-level units. In short, the $1000 dishwasher is an investment in performance, convenience, and longevity, while the $500 model covers essential cleaning needs at a lower cost.

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When choosing the right dishwasher for your home, finding a model that balances performance, durability, and convenience is essential. The selection at Costco offers a range of reliable options from trusted brands, providing advanced features that suit various kitchen needs and budgets. From quiet operation and energy efficiency to flexible loading options and powerful cleaning cycles, the best dishwashers at Costco deliver both quality and value. By considering your household size, preferred features, and long-term reliability, you can confidently select a dishwasher that makes daily cleanup effortless and keeps your kitchen running smoothly.