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: 32.5" H x 17.75" W x 23.75" D, 60 lb. production capacity, Left handed door swing.
- 【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.
- 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.
- High-Capacity Ice Production: This commercial ice maker produces up to 100 pounds of ice daily and features a 30-pound storage capacity with a large removable ice bin, ideal for busy households, large events, or commercial spaces like bars and offices. Whether you’re chilling iced tea, displaying fresh seafood, or blending smoothies, it delivers a steady supply of slow-melting, odorless ice that keeps drinks cold and refreshing without dilution
- Easy Accessibility: Equipped with an intuitive control panel for simple operation, along with water shortage and ice full alerts to prompt you to check the water source in time. A convenient ice scoop is included for effortless ice retrieval, helping keep your ice clean and protected from contamination. You can also customize ice thickness with adjustable settings (thin/medium/thick) ideal for cocktails, whiskey, or milkshakes
- Space-Saving & Flexible Installation: Designed to fit seamlessly into a 15-inch cabinet, this undercounter ice machine integrates smoothly into any kitchen layout. Its versatile installation options, including under counter, freestanding, or built-in setups, offer the flexibility to adapt to your space requirements while adding a sleek, modern touch to your kitchen
- Low-Maintenance and Durability: Enjoy simple maintenance with the one-click self-cleaning function, which thoroughly cleans the unit effortlessly, ensuring the clear ice cube maker operates at peak efficiency for longer. Enhanced thickened insulation technology keeps ice frozen solid for up to 8 hours, preserving its optimal chill and freshness while reducing energy consumption
- Versatile and Reliable Safety: ETL-certified for both reliability and safety, this under counter ice machine comes with a removable filter system that enhances the taste and clarity of ice cubes. It operates quietly, features a built-in water inlet and outlet, and includes the necessary hoses for easy installation, making it a great fit for your patio, poolside bar, or outdoor kitchen
- Hard-working ice maker, inside and out: This unit can produce 60 lbs. of clear ice cubes daily. Includes easy controls and an indicator light that alerts users to each step in the production process or when the bin is full.. The interior features UV lighting for easy visibility and added protection. Unit allows users to choose from small, medium, or large clear ice cubes.
- Great look for any indoor or outdoor space: Sized just under 18 inches wide, this stainless steel exterior ice maker offers a front-breathing design for built-in installation underneath counters. Height adjustable, this unit is sized at 32 1/2" and can be raised to 34 3/4", with a taller kickplate included for a seamless aesthetic.
- 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.
- Crescent-Shaped Ice Cubes: The crescent-shaped ice cubes unique shape and slow melting characteristics not only add visual impact, but also keep the drinks in perfect taste. High-quality, tasteless and white crescent ice cubes are the perfect match for many drinks such as tequila and whiskey.
- Excellent Ice Making Efficiency: Our built-in crescent ice maker can produce 25 lbs ice cubes per day, the average ice making cycle takes only 15-20 minutes, and the 22 LBS ice storage bucket can ensure enough ice supply to meet all your daily ice needs.
- One-Touch Start Ice Making: The simplest operation experience, only needs one touch to start ice making. There is no need for cumbersome settings and operations. The rest is just waiting for the complete ice cubes to be produced and you can enjoy it.
- Under Counter Design: The design of under-counter appliances always makes your space planning more reasonable and beautiful. The front vent and reversible door also allow you to choose the installation location and door opening direction according to your needs.
- Drainless Ice Maker: No drain required means you do not consider the installation location near the indoor floor drain, and the compact item size saves more space, making ice cubes within reach under counter or freestanding.
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!