Top 5 18 Inch Undercounter Ice Makers: Quick Review

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

No. 1
KoolMore 18 in. Commercial Ice Maker Machine, 100 lbs/24H Crescent Ice, 30 lbs Storage, Undercounter or Freestanding Ideal for Commercial or Residential Use, ETL Listed in Stainless-Steel
  • 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.
No. 2
Commercial Ice Maker Machine 85Lbs/Day, 24Lbs Storage, Built-in Undercounter Ice Maker with Auto-Cleaning & Timer, Freestanding Stainless Steel Ice Machine, Ideal for Home Office Restaurant Bar
  • Advanced & Fast Ice Making: Enjoy a constant supply of crystal-clear ice with our commercial under counter ice maker. It produces up to 85 lbs of ice every 24 hours and makes 40 clear cubes in just 10–18 minutes, perfect for family gatherings, parties, restaurants, bars, or hotels. The 24 lb built-in storage bin ensures you’ll never run out of ice when you need it most.
  • Compact Built-In or Freestanding Design: Designed to fit seamlessly under any standard kitchen or bar counter, this ice maker measures 14.96" x 18.47" x 33.99" (with adjustable feet). Its sleek stainless steel construction complements any décor and also works perfectly as a freestanding unit, offering flexibility for any space.
  • Reversible Door & Superior Cold Insulation: The reversible stainless steel under counter ice maker machine door allows you to choose the opening direction left or right to suit your layout. The 3-layer insulated housing locks in cold air, ensuring longer-lasting ice cubes and reducing melting.
  • Smart LCD Panel with Adjustable Ice Thickness: The intuitive LCD control panel displays the ambient temperature and lets you customize the ice thickness by adjusting the ice-making cycle time. With a 24-hour timer, you can schedule the ice maker to start or stop automatically, saving time and energy.
  • Self-Cleaning Function & Easy Maintenance: Keep your ice clean and fresh effortlessly. Activate the self-cleaning mode by pressing the “Timer Clean” button for 5 seconds. Regular cleaning ensures optimal performance and extends the ice machine’s lifespan. (Note: This ice maker machine requires a water supply. Please keep the unit upright for at least 24 hours before first use.)
No. 3
Coolake 15”W Ice Maker Under Counter 80lbs/Day with 40lbs Storage, Commercial Outdoor Ice Maker, Auto-Cleaning LCD Panel Built-in Freestanding Ice Machine for Home Bar Kitchen Office
  • 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
No. 4
COTLIN 15" W Drainless Under Counter Ice Maker with 22LBS Storage Bin, Crescent Ice, Free Standing Built-in Ice Maker for Residential Commercial Use, No Drain Required, ETL Approved, 2026 Upgraded
  • 【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.
No. 5
ICEPURE 15" Under Counter Ice Maker with Filter and Drain Pump, WiFi Control, ETL FCC, 90lbs/24H, Self-Cleaning, Smart Reminder, 24H Timer, Freestanding for Home Residential Commercial Stainless Steel
  • [Certified Safety & Reliability] ETL and FCC certified, this ice maker meets strict U.S. safety and performance standards—offering dependable, long-lasting operation and peace of mind for both home and small business owners.
  • [Advanced Water Filtration for Pure Taste] The built-in activated carbon filter has passed the international NSF/ANSI 42 and NSF/ANSI/CAN 372 certifications, delivering exceptionally clean, fresh-tasting ice by removing chlorine, rust, sediment, and unpleasant odors—perfect for cocktails, coffee, smoothies, or everyday hydration.
  • [Fast & Consistent Ice Production] Produces up to 90 lbs of crystal-clear square ice per day, with each cycle creating 40 cubes in just 10–18 minutes. The 26-lb storage bin keeps plenty of ice on hand for parties, bars, or daily family use.
  • [Smart App-Controlled Convenience] Easily manage your ice maker through the mobile app—power it on or off remotely, adjust ice thickness, set production schedules, and receive real-time alerts for “ice full” and “water shortage” notifications, so you’ll always know when your ice is ready.
  • [Durable & Easy-to-Clean Stainless Steel Design] Crafted from high-quality stainless steel, this ice maker is sleek, rust-resistant, and built to last. The smooth exterior is effortless to wipe clean and fits perfectly into modern kitchen or bar décor.
No. 6
Summit 18" Clear Ice Maker, 60 lb. Production Capacity, ADA Compliant, Stainless Steel- BIM182ADALHD (Left Handed Door Swing)
  • 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: 32.5" H x 17.75" W x 23.75" D, 60 lb. production capacity, Left handed door swing.
No. 7
ICYGLEE Commercial Under Counter Ice Maker Machine with Drain Pump, 100Lbs/Day with 24lbs Storage, Auto-Cleaning, 24H Timer, Built-in Freestanding Ice Maker for Home/Commercial & Home Use. (Steel)
  • Rapid & Large Ice Production: Our ice maker can produce 100lbs clear ice cubes one day, the average ice making time for each cycle just taking 8 to 16mins, which means that the under counter ice maker can meet your demand for ice efficiently, and let you enjoy the tasty ice cubes easily
  • Efficient & Adjustable Ice Cubes: Equipped with an electric drain pump, this undercounter ice maker can effectively drain water without relying on gravity, helping to keep the keeping the interior clean and designed an efficient compressor and 3 layer insulation materials, the ice cubes that our under counter ice maker machine produce are clear and refresh, besides, you can also control the thickness of the ice cubes through the button to meet the need of various drinks, like smoothie/cocktail/whisky
  • Simple & User-friendly Design: Because of the LCD panel, there is no need to worry about the machine's operation, and the ice maker also have the reminder of water shortage and ice full, help you replenish water or remove ice cubes promptly, and the design of reversible door also give you the flexible choice to decide which direction to open the door
  • Auto-cleaning & Timer Function: Considering the preciousness of your time, we have equipped our under counter ice machine with automatic cleaning, so you can easily clean your ice maker machine by just hold the "Clean" button for 5s, and the Timer function can also help you to make ice according to your schedule
  • Wondeful Size & Customer Service: With the size of 20.4"D x 14.96"W x 33.9"H, there are two types of setting style for you to choose, individual placed or under counter, if you have any questions while using the ice maker, please reach out to us promptly, and we will strive to provide you with help
No. 8
EUHOMY Under Counter Ice Maker with Drain Pump, 90 lbs/Day Ice Machine, Auto-Cleaning & 24H Timer, Stainless Steel Commercial Ice Maker with 24 lbs Storage for Home/Bar/Cafe/Restaurant
  • High-Efficiency Under Counter Ice Maker:This commercial under counter ice maker machine produces up to 90 lbs of clear ice per day, delivering 40 ice cubes every 10–18 minutes. The 24 lb storage bin provides a reliable supply, making this ice maker commercial ideal for home kitchens, bars, restaurants, hotels, and cafés.
  • Under Counter Ice Maker with Drain Pump :Unlike standard ice machines that rely on gravity drainage, this under counter ice maker features an electric drain pump for efficient water removal. This design helps keep the interior clean, extends the lifespan of the commercial ice machine, and allows flexible installation even without a floor drain.
  • Compact Ice Machine for Built-In or Freestanding Use: With a built-in size of 14.96 × 18.47 × 33.99 inches (including adjustable feet), this ice maker under counter fits standard-height cabinets and bars. It can also be used as a freestanding ice maker, offering versatile placement for both residential and commercial spaces.
  • Smart Control Ice Maker Machine :The intuitive LCD panel on this ice maker machine displays ambient temperature and allows you to adjust ice cube thickness by changing ice-making time. The 24-hour timer lets you schedule operation easily, improving convenience for daily use.
  • Self-Cleaning Under Counter Ice Machine: This commercial ice maker includes a one-touch self-cleaning function—press and hold the “Timer Clean” button for 5 seconds to activate. A water supply is required. Keep the ice machine upright for 24 hours before first use. If the drain pump is disconnected or not in use, empty the ice bin in advance.

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.