Imagine hosting a summer barbecue, and your ice bucket runs dry halfway through. Frustrating, right? Keeping a steady supply of ice, especially when entertaining or living in a warm climate, feels like a constant battle. That’s where the 18-inch undercounter ice maker steps in as a sleek, powerful solution.
But choosing the perfect model isn’t always easy. You face a maze of features: nugget ice versus clear cubes, production rates, and fitting it seamlessly under your existing counter space. Many people worry about wasting money on a machine that doesn’t keep up with their needs or one that takes up too much valuable kitchen real estate. Getting the right fit and function is key to enjoying truly effortless chilling.
This guide cuts through the confusion. We will break down exactly what you need to look for—from energy efficiency to the best nugget ice makers—so you can confidently select an 18-inch unit built for your lifestyle. Get ready to say goodbye to weak, lukewarm drinks forever!
Top 18 Inch Undercounter Ice Maker Recommendations
- Reliable High-Capacity Ice Production: This unit delivers up to 99 lbs. of crescent-shaped ice per day with a 33-lb. built-in storage bin, making it ideal for commercial kitchens, cafés, bars, or office break rooms that need a steady ice supply throughout the day.
- User-Friendly LCD Display with Smart Diagnostics: The easy-to-read digital screen displays ice-making status, countdown timer, and fault codes. Integrated status icons clearly indicate ambient temperature warnings, water inflow status, ice harvesting, and when the bin is full.
- Effortless 30-Minute Self-Cleaning Function: At the press of a button, the internal system activates a 30-minute cleaning cycle, helping to remove scale, dirt, and mineral buildup for improved hygiene and long-term performance.
- Customizable Ice Thickness: The control panel's “+” and “–” buttons allow you to easily adjust the ice cube thickness to meet different preferences and usage scenarios—great for food service, drink cooling, or buffet displays.
- ETL Certified for Commercial Use with 1-Year Warranty: ETL listed for safety and sanitation compliance in commercial settings and backed by a 1-year manufacturer’s warranty covering parts and labor for added peace of mind.
- 【Upgraded Drainless Ice Maker】This under counter ice maker is made of brushed stainless steel, which is more durable and easy to clean. The 22-pound ice storage capacity meets the needs of long-term and large-capacity ice use. The powerful freezing system ensures that the ice cubes are always kept within the range of 26.6-32°F to avoid melting.
- 【Unique Ice Shape】Our crescent ice maker is designed for you who pursue high-quality drinks. It can efficiently produce high-quality, pure, and tasteless crescent-shaped ice cubes. The unique shape and slow melting characteristics can keep drinks cool and delicious for longer, making it the perfect partner for exquisite drinks.
- 【Detailed Design】One-touch switch to start making ice cubes, just press to start the ice making process, no cumbersome settings required. The door and hinges of the ice maker are reversible, you can choose to install it on the left or right side according to your needs, and the feet have an adjustable function, which can flexibly adapt to different space layouts.
- 【Easy Installation】This drainless ice maker adopts advanced drainage-free design, completely bid farewell to cumbersome drainage pipe installation, no need to hire a plumber to install it, you only need to connect the water supply connector and power cord to start normal use. The size design of 14.9"W x 18.6"D x 33.8"H can be easily placed under most standard kitchen counters.
- 【Quality Assurance】Each built-in ice maker has passed ETL certification and meets strict ETL safety and quality certification standards, ensuring that our ice makers meet the highest industry standards in terms of safety and reliability. COTLIN also provides lifetime service support, so you can choose and use this ice maker with confidence.
- Advanced & Fast Ice Making: Our commercial under counter ice maker machine can produce 90 lbs of ice in 24 hours, providing 40 clear ice cubes every 10-18 minutes for you and your family. The 24 lb storage container ensures a constant supply of ice, meeting all your daily ice needs for your home, restaurant, bar, or hotel.
- Compact Design: The built-in design with dimensions of 14.96 x 18.47 x 33.99 inches (including adjustable feet) makes it perfect for any standard height kitchen or bar counter, while also allowing the ice maker to be used as a standalone unit.
- Reversible Door & Cold Insulation: The stainless steel ice maker machine door with a handle can be installed with left or right hinges, allowing you to choose the opening direction according to your needs. The 3-layer housing material ensures longer-lasting ice cubes, preventing them from melting quickly.
- Smart LCD Control Panel & Customizable Ice Thickness: The multifunctional control panel displays the ambient temperature and allows you to adjust the ice cube size by changing the ice-making time. The 24-hour timer function lets you set the machine to start or stop running at your convenience.
- Easy-to-Clean & Prolonged Life: The self-cleaning function, activated by pressing the "Timer Clean" button for 5 seconds, helps maintain the ice maker's efficiency and longevity. We recommend cleaning the machine regularly according to usage. The ice maker requires a water supply . Be sure to keep the machine upright for at least 24 hours before using it.
- Efficient Cube Ice Maker: Designed for high demand, our commercial under counter ice maker produces up to 80 pounds of clear ice cubes daily. Each efficient cycle takes just 10 to 20 minutes, and the 40 pound storage bin ensures a continuous supply. It reliably meets the needs of any home bar, restaurant kitchen, café, or office, eliminating worries about running out of ice during parties or peak hours
- Engineered for Easy Cleaning: Our outdoor ice maker simplifies maintenance with a one-touch self-cleaning cycle-just press the button for 3 seconds to activate. This hassle-free feature eliminates manual scrubbing, prevents mold buildup, and ensures consistently clean ice. The attractive stainless steel exterior stays pristine with a quick wipe, making it ideal for busy kitchens, bars, and commercial spaces
- Smart LCD Control Panel: Take full control of your ice with an intuitive LCD panel that lets you adjust cube thickness by simply setting the ice making time. Whether you're crafting cocktails that demand slow-melting thicker cubes, serving soft drinks that cool quickly with thinner ice, or optimizing freezer storage with compactly shaped cubes—this ice maker delivers exactly what you need
- Flexible Installation: This versatile undercounter ice machine commercial ice machine offers both built-in and freestanding installation to fit any layout. Its compact dimension of 15 inches wide, 21 inches deep, and 33 inches high allows for seamless integration into tight spaces. The innovative front-venting cooling system is key to this space-efficient design, eliminating the need for costly and space-consuming side or rear clearances
- Designed for Your Reality: Our ice maker features soft-glowing interior LED lighting, providing a clear, well-illuminated view for easy access even during late-night service. Specifically designed to address the common challenge of hard water, this unit comes with a filter that safeguards the ice maker's internal mechanisms against scaling and corrosion
- Efficient Ice Maker Performance: Generate up to 80 pounds of crystal-clear ice every day, with each cycle delivering fresh cubes in mere minutes. The 24-pound storage bin guarantees a steady supply for parties, drinks, or commercial applications.
- Convenient Drainage System: Featuring an external drain pump, this ice machine removes water easily without messy cleanups—no need to rely on gravity for drainage, keeping everything tidy and efficient.
- User-Friendly Controls: Manage your commercial ice maker effortlessly through the intuitive LCD control panel, which shows the current status and ambient temperature. Customize your ice-making schedule with the 24-hour timer and adjust the thickness of the ice to suit any beverage.
- Effortless Cleaning Process: Ensure optimal hygiene and performance without hassle thanks to the one-touch auto-clean function that makes upkeep simple while keeping your ice tasting fresh.
- Space-Efficient Design: This versatile unit can be installed under counter or used as a freestanding model. Its compact size ensures it fits seamlessly into homes, bars, cafes, or offices without taking up unnecessary space.
- Fast Ice Making Large Supply: The built-in undercounter ice maker can produce 80 lbs of ice cubes daily. After the water temperature is lowered, the average ice making cycle takes only 15-20 minutes, it is stable and excellent at producing ice. The 25 LBS ice storage bucket can ensure enough ice supply to meet all your daily ice needs.
- Built-In Undercounter Design: The front vent design makes this ice maker perfectly fit the built-in or under counter, and the recommended placed cutout dimensions is 15.06'' W x 24.56'' D x 34'' H, and the unit has adjustable feet, making it ideal for standard height counters, while seamlessly fitting, can also to freestanding placed.
- Self-Cleaning & Adjustable Ice Thickness: The self-cleaning mode is crucial before the ice machine is used and during daily maintenance, a one-button function can greatly reduce your maintenance workload. Long press the "Adjust" button to adjust the ice thickness to meet the needs of various drinks, like smoothies or whiskey.
- Reversible Door & Gravity Drain: Users can flexibly choose left or right door opening according to usage habits and placement, which makes the installation more flexible, and gravity drain allows to avoid considering the installation of pumps and directly insert the drain pipe into the floor drain.
- Excellent Quality to Cost Savings: The stainless steel and food-grade PP inner liner ensure that the ice maker has good insulation and cooling effects, and also ensures the freshness of the ice cubes. When the ice bucket is full, it will auto stop making ice to save energy, all of which are for the user experience.
- Compact 15 Inch Built-In Design: Perfect fit undercounter, in RVs, bars, or small business settings—takes up minimal space while delivering major performance.
- Powerful 90 lb/Day Production: Commercial-grade output with 40 cubes per 10–18 min cycle, plus a 26 lb storage bin—plenty of ice for parties, bars, or your home beverage setup.
- Wi-Fi Remote Control & 24-Hour Timer: Adjust ice thickness, start/stop remotely, schedule 24-hour production—all via app for smarter, hands-off convenience.
- Premium Water Filtration & Ice Taste Upgrade: Built-in activated carbon filter (ASIN: B0DG8X68ZG) removes chlorine, rust, sediment, dust, sand, scale, off-taste, color, and odors—delivers clean, great-tasting ice every time.
- Self-Clean & Smart Alerts: Easy auto-clean function plus real-time alerts—ice full or low water notifications keep operation hassle-free.
- Large Capacity Rapid Ice Production: Our built in ice maker is a powerhouse, producing a remarkable 80 pounds of ice daily. The Coolski freestanding ice maker churns out 32 clear ice cubes every 11 to 20 minutes, ideal for both professional bartending and home entertaining. Its high output performance meets all your ice consuming needs with ease.
- Intuitive LCD Digital Control: Featuring a user friendly control panel, operating this ice maker is a breeze. The bright LED lights enable you to monitor the ice making process at any time. An included ice scoop ensures convenient ice serving for guests or personal use. Remember to let the machine stand upright for 24 hours prior to first use.
- Flexible Drainage & Ideal Under Counter Fit: A gravity drain.Your selection of one will be based on the installation location. You’ll need to connect the water line to the kitchen water supply and run the drain hose into the floor drain before plugging the machine in. With its 15''W × 21''D × 33''H built - in design, this commercial ice cube maker seamlessly fits under standard kitchen or bar counters, maximizing space utilization.
- Effortless Cleaning & Maintenance: Maintaining the ice maker is simple. Just press the "clean" button for 3 seconds to activate the self cleaning function, which helps preserve its efficiency and lifespan. Equipped with an inline filter, it removes sediment from water before freezing, enhancing ice taste and smell. Installation is nearly plug and play: connect the water supply, plug it in, and press the on button.
- Durable & Cost Efficient Design: Constructed with durable stainless steel and a food grade interior, this ice maker is built to last. The 3 - layer housing material keeps ice cubes from melting quickly. Having passed DOE & ETL energy efficiency certifications, it offers a cost effective solution for a continuous supply of ice cubes.
Your Guide to Choosing the Best 18-Inch Undercounter Ice Maker
An 18-inch undercounter ice maker is a fantastic addition to any kitchen, home bar, or entertainment area. These machines fit neatly beneath your countertop, giving you a steady supply of ice without taking up valuable counter space. Finding the right one means looking beyond just the size. This guide helps you pick the perfect model for your needs.
Key Features to Look For
When shopping, these features make a big difference in how happy you are with your purchase:
- Ice Production Rate: How much ice can it make in 24 hours? Higher numbers mean you won’t run out during parties. Look for models that produce at least 35 to 50 pounds daily.
- Ice Storage Capacity: This is how much ice the machine holds before it needs to refill. A bigger bin means less frequent cycling.
- Ice Type: Most undercounter models make clear, crescent-shaped ice, which is great for drinks. Some specialized units might make nugget or gourmet ice.
- Self-Cleaning Function: This is a huge time-saver. A self-cleaning cycle keeps the machine fresh and reduces manual scrubbing.
- Door Style: Do you want a solid door or a clear glass door? Clear doors let you see the ice level easily.
Factors That Improve or Reduce Quality
The quality of an ice maker often comes down to what it is made of and how it operates.
Materials Matter
- Stainless Steel Construction: High-quality exterior panels made of stainless steel resist rust and look sleek. Inside, look for durable, food-grade plastic bins and stainless steel ice-making components.
- Insulation: Good insulation keeps the ice from melting too quickly inside the storage bin, especially important if you live in a warm climate.
Performance Indicators
- Noise Level: Ice makers make noise when they run. Check decibel (dB) ratings. Models under 45 dB are generally quiet enough for living areas. Loud operation is a major quality reducer.
- Reliability: Brands known for good customer service and long warranties usually offer more reliable machines.
User Experience and Use Cases
Think about where and how you plan to use your ice maker. This directs your choice.
Home Kitchens and Everyday Use
If you use ice daily, prioritize energy efficiency and a decent production rate (around 35 lbs/day). A standard hinged door works well here. Quiet operation is essential so it doesn’t interrupt family activities.
Entertainment and Home Bars
For frequent entertainers, focus on high production (50+ lbs/day) and large storage bins. A plumbed-in model (one that connects directly to your water line) is necessary for continuous use. You do not want to refill a water tank manually!
Installation Considerations
These units are usually designed to be built-in. Make sure you measure the space precisely—height, depth, and width—before you buy. Proper ventilation space around the machine is often required for it to run efficiently.
10 Frequently Asked Questions (FAQ) About 18-Inch Undercounter Ice Makers
Q: Do 18-inch ice makers need a dedicated water line?
A: Most full-sized undercounter models require a direct water line connection (plumbed-in) for automatic operation. Some smaller models use a reservoir you fill manually.
Q: Can I install an undercounter ice maker myself?
A: Basic installation might be DIY, but connecting the water line and ensuring proper drainage often requires a professional plumber or electrician for safety and warranty purposes.
Q: How long does the ice last in the storage bin?
A: Because these units are insulated, the ice can last several hours, but eventually, it will melt. The machine cycles on to replace any melted ice automatically.
Q: What is the difference between “clear ice” and “cloudy ice”?
A: Clear ice forms when air is pushed out during the freezing process, usually by fast-moving water. Cloudy ice contains trapped air bubbles. Clear ice is generally preferred.
Q: Are these units energy efficient?
A: Newer models carry Energy Star ratings. Look for these labels. Efficient models use less power to maintain the ice temperature.
Q: How often should I clean my 18-inch ice maker?
A: If it has a self-cleaning feature, run it monthly. If it does not, you should manually clean the interior every three to six months to prevent mold or mineral buildup.
Q: Do they require special drainage?
A: Yes, they must drain the melted ice and any excess water. This usually involves a drain line running into a nearby sink drain or a condensate pump.
Q: What is the typical lifespan of a good undercounter ice maker?
A: With regular maintenance, a quality 18-inch unit should last between 10 and 15 years.
Q: Will an 18-inch model fit under any standard counter?
A: Most are designed to fit standard kitchen cabinet openings (about 34 inches high), but always check the exact height and depth specifications before purchasing.
Q: Can I use filtered water in my ice maker?
A: Absolutely. Using filtered water is highly recommended. It improves the taste of the ice and reduces mineral buildup inside the machine, which helps it last longer.

Hi, I’m Larry Fish, the mind behind MyGrinderGuide.com.. With a passion for all things kitchen appliances, I created this blog to share my hands-on experience and expert knowledge. Whether it’s helping you choose the right tools for your culinary adventures or offering tips to make your kitchen more efficient, I’m here to guide you. My goal is to make your time in the kitchen not only easier but also enjoyable! Welcome to my world of kitchen mastery!