Struggling with a small kitchen? We tested and ranked the 5 Best 18 Inch Dishwashers of 2025. Find the perfect compact, quiet, and energy-efficient model for your space. Save time & money with our expert picks.
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Table of Contents
Introduction
Small kitchens, apartments, and RVs need smart space fixes. That’s why many people now choose the best slim dishwasher 2025 – an 18-inch unit that saves space while giving the same cleaning power as a full-size model. These slim units fit into tight spots. They still clean as well as a full‑size model. They save space. They use less water and energy. They also have modern features. These include quiet running, many wash cycles, and a smooth look.
This guide will help you pick from the top-rated 18 inch dishwashers in 2025, all tested for performance, size, and features.. I looked at five top models for 2025. I checked how well they work, their features, how loud they are, and their cost. You may want one that doesn’t cost too much. You may want a top-end model. Or you may want the quietest one. You will find it here.
Quick Comparison Table For Best 18 Inch Dishwasher
| Product | Dimensions | Wash Cycles | Capacity | Special Feature | Best For | |
|---|---|---|---|---|---|---|
🍽 Midea MDF18A1AST Built-in Dishwasher | 22.5″D × 17.6″W × 32.4″H | Heavy, Normal, ECO, Delicate, Quick, Rinse | 8 Place Settings | Heated Dry, Sanitize, Hi-Temp | Mid-range buyers wanting advanced cleaning | Check Price |
🍽 Honeywell 18 Inch Dishwasher | 22.5″D × 17.6″W × 32.4″H | 6 Wash Programs | 8 Place Settings | Quick Wash, Space Saver | Budget buyers wanting stainless steel tub | Check Price |
🍽 Frigidaire 18″ ADA Compact Dishwasher | 24.0″D × 18.0″W × 35.25″H | Multiple Cleaning Cycles | 8 Place Settings | Dual Spray Arms, Sanitize | ADA-compliant homes needing quiet wash | Check Price |
🍽 SPT SD-9254W 18″ Built-In Dishwasher | Standard 18″ width (compact) | Normal, Heavy, Energy, Glass, Quick, Rinse | 8 Place Settings | Heated Dry, Energy Star | Value seekers wanting reliable performance | Check Price |
🍽 Summit DW184BADA 18″ Built-In Dishwasher | 22.25″D × 17.63″W × 32″H | Heavy, Normal, ECO, Glass, Rapid, Rinse | 8 Place Settings | Extra Dry, Hi Temp, Sanitize | Premium buyers wanting European design | Check Price |
How to Choose the Best 18 Inch Dishwasher (Buyer’s Guide)
Choosing the right 18‑inch dishwasher is more than just picking a brand. You need to match the size, features, and performance to your space and lifestyle. Here’s what to look for before you buy.
1. Size & Fit
- Measure your space first. An 18‑inch dishwasher is slimmer than standard models, but height and depth can vary.
- ADA compliant models are slightly shorter, making them easier to fit under lower counters.
- Built‑in dishwashers are fixed under your counter for a clean look.
- Portable models can be moved and connected to a faucet — great for renters or small kitchens without built‑in space.
2. Noise Level
- Noise is measured in decibels (dB).
- For open kitchens or small apartments, choose under 50 dB for a quiet wash. Many readers search for quiet 18 inch dishwasher reviews because noise is one of the biggest concerns in compact homes.
- A difference of just a few dB can be noticeable — 49 dB is much quieter than 55 dB.
3. Wash Programs & Functions
- Look for multiple cycles like Heavy (pots and pans), ECO (energy saving), Delicate (glassware), and Quick (fast wash).
- Sanitize uses high heat to kill germs — ideal for baby bottles or cutting boards.
- Heated Dry speeds up drying and reduces water spots.
4. Energy Efficiency
- Energy Star certified models use less water and electricity.
- This saves money over time and is better for the environment.
- Many efficient models also have shorter ECO cycles to reduce energy use.
5. Interior Build
- Stainless steel tubs last longer, resist stains, and dry dishes faster.
- Plastic tubs are cheaper but may hold odors and take longer to dry.
- If budget allows, stainless steel is worth the upgrade.
6. Extra Features
- Delay Start lets you run the dishwasher at night or during off‑peak hours.
- Adjustable racks make it easier to fit tall pots or odd‑shaped dishes.
- Digital controls give you clear cycle status and modern styling.
💡 Tip: Make a checklist of your must‑have features before shopping. This will help you quickly compare models and avoid paying for extras you don’t need.
Detailed Review Of The 5 Best 18 Inch Dishwasher
1.🍽 Midea MDF18A1AST Built-in Dishwasher Review
Midea MDF18A1AST is a slim 18-inch built-in dishwasher made for small kitchens, apartments, and RVs. It offers 8 place settings, 6 wash programs, and features like Heated Dry, Sanitize, and Hi-Temp for a deep clean every time.The stainless steel tub adds durability and helps dishes dry faster. With its Energy Star rating, it also saves water and electricity, making it a smart choice for both performance and efficiency.
| Brand / Model | Midea MDF18A1AST |
|---|---|
| Dimensions | 22.5″D × 17.6″W × 32.4″H |
| Capacity | 8 Place Settings |
| Noise Level | 52 dB |
| Wash Cycles | Heavy, Normal, ECO, Delicate, Quick, Rinse |
| Special Features | Heated Dry, Sanitize, Hi-Temp |
| Energy Efficiency | Energy Star Certified |
| Interior Material | Stainless Steel Tub |
| Installation Type | Built-In |
| ✅ Pros | ⚠️ Cons |
|---|---|
| Compact size fits small kitchens perfectly | Noise level is good but not the quietest in class |
| Multiple wash programs for different needs | No Wi-Fi or smart home integration |
| Energy Star certified for lower utility bills | Limited color options |
| Stainless steel tub for durability and better drying | May require professional installation |
2. 🍽 Honeywell 18 Inch Dishwasher Review
The Honeywell 18 Inch Dishwasher is a compact, built-in model designed for small kitchens, condos, and RVs. It offers 8 place settings, 6 wash programs, and a stainless steel tub for durability. With a quiet 49 dB operation and Energy Star certification, it’s a great choice for those who want efficiency without sacrificing performance.
| Brand / Model | Honeywell 18 Inch Dishwasher |
|---|---|
| Dimensions | 22.5″D × 17.6″W × 32.4″H |
| Capacity | 8 Place Settings |
| Noise Level | 49 dB |
| Wash Cycles | 6 Programs (Heavy, Normal, ECO, Glass, Quick, Rinse) |
| Special Features | Quick Wash, Space Saver, Time Delay |
| Energy Efficiency | Energy Star & UL Certified |
| Interior Material | Stainless Steel Tub |
| Installation Type | Built-In |
| ✅ Pros | ⚠️ Cons |
|---|---|
| Quiet 49 dB operation — great for open kitchens | No heated dry option |
| Compact size fits tight spaces | Limited color options |
| Energy Star certified for efficiency | Basic control panel design |
| Stainless steel tub for durability | May require professional installation |
3.🍽 Frigidaire 18 in. ADA Compact Front Control Dishwasher Review
The Frigidaire 18-inch ADA Compact Front Control Dishwasher is designed for smaller kitchens without compromising on cleaning power. It meets ADA height requirements, offers 8 place settings, and features a stainless steel interior for durability. With multiple wash cycles, a heated dry option, and Energy Star certification, it’s a reliable choice for efficiency and performance.
| Brand / Model | Frigidaire 18 in. ADA Compact Front Control Dishwasher |
|---|---|
| Dimensions | 24″D × 18″W × 32.5″H |
| Capacity | 8 Place Settings |
| Noise Level | 52 dB |
| Wash Cycles | 6 Programs (Heavy, Normal, Light, China/Crystal, Energy Saver, Rinse) |
| Special Features | ADA Compliant, Heated Dry, Delay Start |
| Energy Efficiency | Energy Star Certified |
| Interior Material | Stainless Steel Tub |
| Installation Type | Built-In |
| ✅ Pros | ⚠️ Cons |
|---|---|
| ADA compliant — ideal for accessible kitchens | Slightly louder than premium models |
| Heated dry option for faster drying | No third rack |
| Durable stainless steel interior | Basic control panel design |
| Energy Star certified for efficiency | Limited color choices |
4.🍽 SPT SD-9254W 18″ Wide Built-In Dishwasher Review
The SPT SD-9254W is a compact, built-in dishwasher perfect for apartments, condos, and small kitchens. It offers 8 place settings, 6 wash programs, and a stainless steel tub for long-lasting performance. With Energy Star certification and a quiet 52 dB operation, it’s a smart choice for efficiency and convenience.
✅ Pros
- Compact size ideal for small kitchens
- Energy Star certified for efficiency
- Durable stainless steel interior
- Multiple wash cycles including quick wash
⚠️ Cons
- Slightly louder than premium models
- No third rack
- Basic control panel design
- Limited color options
5.🍽 Summit DW184BADA 18″ Wide Built-In Dishwasher Review
The Summit DW184BADA is a premium 18-inch built-in dishwasher with a sleek European design and ADA-compliant height for accessible installation. It offers 8 place settings, 6 wash programs, and 4 extra functions including Sanitize, Extra Dry, Hi Temp, and Heated Dry. With a quiet 49 dB operation, stainless steel interior, and Energy Star certification, it’s built for those who want style, performance, and efficiency in one package.
✅ Pros
- ADA-compliant height for accessible installation
- Quiet 49 dB operation — great for open kitchens
- Premium stainless steel interior
- Multiple extra functions for better cleaning & drying
⚠️ Cons
- Higher price point than budget models
- No third rack
- May require professional installation
- Limited color options
Looking for budget-friendly options? See our: Top 5 Cheap Portable Dishwashers Under $200
How to Pick the Best 18-Inch Dishwasher
Picking the right 18-inch dishwasher means thinking about a few key things. You want one that fits your needs and your kitchen. A good choice will work well for a long time.
Size and Fit
First, measure your kitchen space. Make sure the dishwasher will fit. Most 18-inch models can hold 8-10 place settings. This is great for small homes. Look for racks you can move. This helps you wash different shapes of dishes.
Save Energy and Water
Look for the Energy Star label. These models use less power and water. This saves you money on your bills. An efficient model is also better for our planet.
Noise Level
Dishwashers make noise, which is measured in decibels (dB). For a quiet home, pick a model under 55 dB. This is key for open homes or if you have young kids. A quiet dishwasher won’t bother you.
Wash Cycles
Dishwashers have different cleaning cycles.
- Heavy Wash: For pots and very dirty dishes.
- Eco Mode: Uses less water and energy.
- Gentle Wash: For glass and fragile items.
- Quick Wash: For dishes that are not very dirty.
Some also have cycles that clean germs or heat dry your dishes.
Look and Style
Your dishwasher should match your kitchen. You can choose from stainless steel, black, or white. Some have controls you can’t see for a clean look. Others have easy-to-see buttons. Pick one that you like and that works for you.
Cost and Warranty
An 18-inch dishwasher can cost from $400 to $1,000. Think about what features you need for the price. Also, check the warranty. A good warranty will cover fixes for at least a year. This keeps your purchase safe.
Thinking about these points will help you find the best dishwasher for your home.
18 Inch Dishwasher vs 24 Inch Dishwasher — Which Should You Buy?
🔹 18 Inch Dishwasher
- Compact & slim design — perfect for small kitchens
- Capacity: 8–10 place settings
- Often quiet models under 50 dB
- Price: $400–$700 (budget-friendly)
- Best for singles, couples, renters, and small kitchen dishwashers
🔸 24 Inch Dishwasher
- Standard size — fits most full kitchens
- Capacity: 12–16 place settings
- Wide range of noise levels (premium ones very quiet)
- Price: $600–$1,200+
- Best for families, large households, and heavy cooking needs
💡 Which One Should You Buy?
If you live in an apartment, condo, or RV, the 18 inch dishwasher is your best match — compact, efficient, and quiet. For families or larger homes, go with a 24 inch dishwasher to handle bigger loads in fewer cycles.
18‑Inch Built‑In vs Countertop Dishwashers
Many shoppers compare 18‑inch built‑ins with countertop models. Use this quick comparison to choose what fits your space and routine.
| 18″ Built‑In | Countertop / Portable |
|---|---|
|
|
Tip: If you run daily loads or want heated dry and sanitize, an 18″ built‑in is usually the better long‑term value.
Installation and Maintenance Tips
Putting in your dishwasher the right way and taking care of it is key. It will work better and last longer. Here are some easy tips to help you.
Before You Install
Before you set up your new dishwasher, do these things:
- Check the Size: Make sure it will fit in your kitchen.
- Check for Hookups: You will need a power plug, a water line, and a drain.
- Make Sure it Matches: See if your home’s wires and pipes will work with the dishwasher.
- Get Your Tools Ready: You will need a wrench, a screwdriver, and a measuring tape.
- Look for Damage: When it arrives, check for any dents or broken parts.
Hiring a Pro or Doing It Yourself
You can pay someone to install it, or you can do it yourself.
- Cost: It will cost between $100 and $200.
- Time: It is done fast, often in just a few hours.
- Skill: This is best if you don’t know about plumbing or wiring.
- Benefit: It is done safely and correctly.
Do-It-Yourself Installation:
- Cost: You save money on labor.
- Time: It might take you a few hours to do.
- Skill: You need to know a little about plumbing and wiring.
- Benefit: It is a good way to save cash if you know how.
Easy Care Tips
Taking good care of your dishwasher helps it live a long life.
- Clean the Filter: Take out the filter and rinse it with water every month or two.
- Check the Spray Arms: Look for clogged holes in the spray arms. Clean them with a toothpick.
- Use Rinse Aid: Always keep the rinse aid section full. This stops spots on your dishes.
- Run a Clean Cycle: Once a month, run a cycle with a dishwasher cleaner or vinegar. This kills germs and removes smells.
- Look for Leaks: Sometimes check the hoses for water leaks.
- Don’t Pack It Too Full: Leave some space so water can reach all the dishes.
- Get It Checked: Once a year, have a pro look at it to find small problems early.
Doing these simple things will keep your dishwasher working well for years.
Related: Best Countertop Nugget Ice Maker 2025
❓FAQs About Best 18 Inch Dishwasher
Is an 18-inch dishwasher worth it?
An 18-inch dishwasher is worth buying if you have a small kitchen, live in an apartment, or want to save water and energy. These slimline models typically hold 8 place settings, clean as effectively as full-size units, and fit where space is limited.
What is the standard size of an 18-inch dishwasher?
An 18-inch dishwasher is usually about 17.6 to 18 inches wide, 32 to 34 inches high, and 22 to 24 inches deep. It fits in small kitchens or tight spaces.
How many dishes fit in an 18-inch dishwasher?
Most models hold about 8 place settings. This is enough for daily use in a small household.
What’s the quietest 18-inch dishwasher?
Models with a noise level under 50 dB are very quiet. The Summit DW184BADA, at 49 dB, is one of the quietest options.
Can you install an 18-inch dishwasher yourself?
If you have plumbing and electrical skills, you can. But for most people, hiring a pro ensures safe and correct installation.
Q: Are 18-inch dishwashers good for small kitchens?
Yes, 18-inch dishwashers are often called small kitchen dishwashers because they are slim, compact, and perfect for tight spaces like condos, RVs, or studio apartments.
Related: Top 5 Best Dishwasher Under $500
📝 Final Verdict
After reviewing the top contenders, these five 18-inch dishwashers stand out in 2025 for their mix of performance, design, and value. From the Midea MDF18A1AST with its all-round balance, to the budget-friendly Honeywell 18″, the ultra-quiet Summit DW184BADA, the premium-grade Frigidaire ADA Compact, and the energy-saving SPT SD-9254W — each model delivers on a different priority.
When choosing, think about your kitchen space, your budget, and the features you value most. Need silence? Go for a low dB model. Want to save on bills? Pick an Energy Star unit. Looking for the best all-rounder? Choose one that balances price, performance, and durability.
Whichever you select, these models prove that compact dishwashers can be powerful, efficient, and stylish — making them the best 18-inch dishwashers to buy in 2025.
🛒 Where to Buy & Best Time to Buy an 18‑Inch Dishwasher
Best Places to Shop When it comes to finding competitive prices and reliable shipping, these retailers consistently offer strong deals:
- Amazon – Wide selection, frequent discounts, and fast delivery with Prime.
- Home Depot – In‑store pickup options, bundle offers on installation, and seasonal clearance sales.
- Lowe’s – Price‑match policy, member rewards, and financing plans for larger purchases.
Tip: Always check each store’s return and warranty policies — they can vary, even for the same brand.
Best Times to Buy Appliance prices often follow a seasonal cycle. You’ll typically find the steepest discounts during:
- Black Friday & Cyber Monday – Deep promotions on major brands, often including free installation or delivery.
- Memorial Day Sales – Strong mid‑year markdowns as new models arrive.
- End‑of‑Season Clearance – Late summer or early fall, when retailers make room for updated inventory.
If you’re not in a rush, set up price alerts a few weeks in advance so you can grab your preferred model the moment it drops to your target budget.
✅ Ready to Choose Your Dishwasher?
Don’t wait for the perfect moment — the best deals can sell out fast. If you’ve spotted a model that fits your space, budget, and style, check the latest price from here and lock it in before the next price change.
Related: Vitamix A3500: The Ultimate Blender for Your Kitchen
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