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.
- 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.
- Hard working ice maker for your needs: This unit can produce 60 lbs. of clear ice cubes ice daily. Includes easy controls, an indicator light alerts users while making as and when the bin is full. The interior features UV lighting for easy visibility and added protection.
- Great look and ice for any occasion: Sized just under 18 inches wide, this stainless steel exterior ice maker offers a front-breathing design for built-in installation underneath counters. The unit allows users to choose from small, medium, or large clear ice cubes.
- Everything you want in an outdoor ice maker: The automatic defrost system minimizes user maintenance. This model has an internal pump and ships with a drain hose, water hose, removable ice bucket, and ice scoop. The interior wall includes a hook to hang the scoop for added convenience.
- Dimensions: 34.75" H x 17.75" W x 23.75" D, 60 lb. production capacity.
- 【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.
- Fast Ice Production & Large Storage: Our undercounter built-in ice maker produces 66 lbs of ice in 24 hours and stores up to 18 lbs. It quickly makes nugget ice (0.6 x 0.4 x 0.4 inch), making it ideal for home use or parties
- Flexible Installation Options: Equipped with a reversible stainless steel door and a full-length handle, this built in ice maker supports either left-hinged or right-hinged installation for added flexibility. It works as an undercounter, freestanding, or built-in unit, and requires 50 mm of clearance on the sides and top
- Enhanced Cold Insulation: Built with triple-layer insulation, the under counter ice maker offers excellent cold retention to help keep ice crisp and clear. The nugget ice is great for slushies, cocktails, whiskey, and other drinks
- Simple, Smart Operation: Equipped with low water and ice full alerts, automatic self-cleaning, and a 24-hour timer, this ice maker machine makes daily use simple. It also includes a user manual, installation kit, and ice scoop for added convenience
- Efficient Electric Drainage: This undercounter ice maker features electric drainage, but the drain pump is NOT INCLUDED and can be purchased separately as needed. With an electric drain pump, drainage is more efficient without relying on gravity, helping keep the unit clean and extending service life. Ideal for kitchens, living rooms, patios, RVs, or boats. ETL certified
- Fast Ice Making & Large Ice Storage: Our undercounter built-in ice maker can produce up to 15 lbs of ice within 24 hours and store up to 11 lbs. It features an 8-cube aluminum ice tray, making crescent-shaped ice cubes (0.87x0.87x2.36 inch) in as fast as 20 minutes. Ideal for home use or parties.
- Flexible Installation: Equipped with a reversible stainless steel door and a full-length handle, this built in ice maker can be installed with either a left-hinged or right-hinged door for flexibility. It supports various installation types (undercounter, freestanding, or built-in), and requires 50mm of clearance on the sides and top for proper installation.
- Cold Insulated: Constructed with triple-layer insulation, the body of the under counter ice maker is designed for excellent cold retention, keeping your ice crisp and clear. The ice cubes are perfect for slushies, cocktails, whiskey, and other beverages.
- Easy Operation: No need to worry about complex settings—just one touch and your ice maker machine will work effortlessly. Along with the user manual and installation kit, an ice scoop is included, making it perfect for parties or daily ice needs.
- No Drain Required: With a built-in freezing compartment, the ice stays frozen without the need for drainage. There’s no need to worry about cleaning or maintenance, and this unit can be installed anywhere you'd like—kitchen, living room, patio, and even on RVs or boats. ETL certified.
- HIGH CAPACITY & FAST ICE MAKING – Designed for heavy-duty usage, this commercial ice maker produces up to 100 lbs of ice per 24 hours, crafting 45 clear ice cubes per cycle in just 11-15 minutes. It features a large built-in storage bin holding 33 lbs of ice, ensuring you never run out during peak hours. The automatic overflow prevention system guarantees safe operation, making it perfect for large families, parties, or commercial settings.
- ETL CERTIFIED FOR COMMERCIAL & HOME USE – Safety and quality are paramount. Unlike standard units, the EUHOMY ice maker is ETL certified for both household and commercial applications. Its versatile design allows it to be used in indoor/outdoor kitchens, restaurants, bars, hotels, or grocery stores. Whether you are hosting a backyard BBQ or running a coffee shop, this machine delivers reliable performance.
- INTUITIVE LCD CONTROL PANEL – Take full control with the smart LCD display. It allows you to monitor the ambient temperature and adjust the ice-making time to customize the thickness of your ice cubes—thin for smoothies or thick for drinks. The panel also features a one-touch Automatic Cleaning function, simplifying maintenance and ensuring your ice is always fresh and hygienic.
- EFFICIENT COOLING & QUIET OPERATION – Equipped with a powerful yet quiet compressor, this under-counter ice machine creates ice efficiently without disrupting your environment. The advanced energy-saving technology helps reduce electricity consumption, lowering your operating costs over time. The stainless steel construction not only looks professional but also provides durability and effective heat dissipation.
- INSTALLATION & MAINTENANCE TIPS – This unit utilizes Gravity Drainage (requires a floor drain or gravity outlet; strictly no pump included). Please ensure the drain hose is positioned lower than the machine specifically for optimal drainage. IMPORTANT: Before first use, keep the machine upright for at least 24 hours to let the refrigerant settle. We recommend running the self-cleaning cycle twice before consuming the first batch of ice.
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!