An undercounter ice maker that fits a standard 15″ or 18″ cabinet slot transforms your kitchen or bar into a self-serve ice station. The critical difference between models isn’t brand loyalty—it’s daily output measured in pounds, storage bin size, ice shape, and whether you need a drain pump for flexible installation. Choosing the wrong combination means either constant refills or a puddle on your floor.
I’m Rikta — the co-founder and writer behind FitlyFast. I’ve analyzed dozens of undercounter ice maker specs, sifting through thousands of customer reviews to understand which features actually matter for daily use versus which are just marketing fluff.
After comparing build materials, refrigerant type, insulation layers, and ice production cycles, I’ve identified the models that deliver consistent performance. This guide ranks the best 18 inch undercounter ice maker options for homes, bars, and commercial kitchens.
How To Choose The Best 18 Inch Undercounter Ice Maker
Buying an undercounter ice maker is a long-term appliance decision. You need to match the machine’s output, installation requirements, and ice type to your specific daily usage pattern. Mistakes in sizing or plumbing requirements will frustrate you every single day.
Daily Output vs Storage Bin Size
Output is measured in pounds per 24 hours. A unit producing 80 lbs/day with a 20 lb bin can refill its storage multiple times daily, perfect for parties or a busy household. Models at 120 lbs/day with a 30 lb bin suit commercial settings. Do not buy a machine that produces less than your peak demand in a single afternoon—you’ll run dry during gatherings. Storage bin insulation quality directly affects how long ice stays solid before melting.
Drain Pump, Gravity Drain, or Drainless
Gravity drain requires the drain hose to sit below the machine’s outlet—ideal if you have a floor drain or can cut into your sink drain. A drain pump actively pushes water upward, letting you install the machine in basements or islands without a floor drain. Drainless models recirculate water and require no drain line at all, offering the simplest DIY installation but lower ice production capacity. Choose based on your space, not convenience alone.
Ice Shape: Crescent, Cube, or Nugget
Crescent ice is solid, slow-melting, and gentle on drinks—common in premium models. Standard clear cubes are dense and slow to dilute. Nugget ice (Sonic-style) is soft, chewable, and absorbs syrup flavors—ideal for sodas and cocktails but melts faster. The machine’s ice type defines your drinking experience, so pick the shape you actually enjoy, not just what’s cheapest.
Refrigerant and Insulation
R290 (propane) refrigerant is more energy-efficient and environmentally friendly than R600a, though both are common in modern units. Three-layer foam insulation significantly reduces ice melt inside the bin and lowers the compressor’s workload. A well-insulated door also prevents cold air escape, keeping ice solid for hours even if the bin is not emptied immediately.
Quick Comparison
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| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| ICEVIVAL CIM010-X03 | Mid-Range | Home bars, daily use | 80 lbs/day, 25 lb bin | Amazon |
| SOZT QR40F | Mid-Range | Cafés, high-demand homes | 120 lbs/day, 30 lb bin | Amazon |
| FoMup FMKRL30JT-1 | Mid-Range | Nugget ice lovers | 80 lbs/day, 20 lb bin | Amazon |
| COTLIN HXIMC20 | Mid-Range | Drainless, RV/boat | 15 lbs/day, 12 lb bin | Amazon |
| Mojgar 15″ W | Mid-Range | Offices, commercial | 100 lbs/day, 30 lb bin | Amazon |
| Gilati Y40FA | Mid-Range | Restaurants, high volume | 120 lbs/day, 30 lb bin | Amazon |
| EUHOMY CIM002-80S | Premium | Balanced performance | 85 lbs/day, 24 lb bin | Amazon |
| ICYGLEE ICE MAKER | Premium | Basements, islands | 100 lbs/day, 24 lb bin | Amazon |
| EUHOMY CIM0100410 | Premium | Commercial kitchens | 100 lbs/day, 24 lb bin | Amazon |
| COTLIN HXIMC22 | Premium | Drainless, easy install | 22 lb bin, no drain | Amazon |
| Electactic Z5812SH | Premium | Sonic-style nugget ice | 66 lbs/day, nugget ice | Amazon |
In‑Depth Reviews
1. ICEVIVAL CIM010-X03 Under Counter Ice Maker
The ICEVIVAL CIM010-X03 delivers 80 lbs of ice daily with a 25 lb storage bin, making it a strong match for home bars and family kitchens. Its integrated drain pump allows water discharge without gravity reliance, simplifying installation in cabinets and under-counter spots where floor drains aren’t available. The R600a refrigerant keeps energy consumption reasonable while producing consistent clear cubes.
The one-touch self-cleaning function reduces limescale buildup with minimal effort, and the LCD panel gives direct control over ice thickness and production scheduling. Multiple verified owners report fast ice production and reliable performance over a year of use. The machine’s 18.5″ depth and 15″ height fit standard cabinet dimensions without awkward protrusions.
Some users note that a power flicker requires a manual restart, so pairing it with a surge protector is advisable. A few units arrived with loose compressor screws, but those were quick fixes. Overall, the combination of output, storage, drain pump flexibility, and smart controls makes this the most balanced choice for most households.
Why it’s great
- Drain pump enables flexible placement without floor drain
- LCD controls with adjustable ice thickness and scheduling
- Self-cleaning mode reduces maintenance workload
Good to know
- Must be manually restarted after a power interruption
- Occasional loose compressor screws reported by early buyers
2. SOZT QR40F Under Counter Ice Maker
The SOZT QR40F pushes daily output to 120 lbs with a 30 lb storage bin, making it suitable for cafes, busy home bars, and small restaurants. Its reversible door adapts to left or right opening, which helps fit tight cabinet layouts. The R290a refrigerant offers better energy efficiency and environmental profile than R600a, and the superior foam insulation minimizes ice melting inside the bin.
The LED panel includes a 24-hour timer for scheduled ice production and adjustable ice thickness. Verified reviews highlight consistent daily performance in restaurant settings and effortless setup. The stainless steel construction resists rust and daily wear, matching commercial-grade expectations.
Installation may require additional adapters to connect with a water filter, and the manual instructions are poorly written—some owners needed to figure out connections on their own. Despite that, once connected, the machine performs reliably with quiet operation and fast ice recovery. The gravity drain needs careful hose positioning to avoid standing water.
Why it’s great
- High 120 lbs/day output with 30 lb storage bin
- Superior foam insulation extends ice retention
- Energy-efficient R290a refrigerant
Good to know
- Poorly written instruction manual
- May need extra adapters for water filter connections
3. FoMup FMKRL30JT-1 Nugget Ice Maker
The FoMup FMKRL30JT-1 produces soft, chewable nugget ice identical to Sonic-style pellets—perfect for cocktails, sodas, and slushy drinks. Its first batch arrives in just 5 minutes, and the 80 lbs/day output keeps up during busy parties or restaurant rush hours. The dual water inlet allows connection to either a tap or bottled water supply, adding flexibility for installations without a permanent water line.
The 20 lb storage bin holds enough ice for several rounds of drinks, and the stainless steel body resists rust. Auto defrost prevents freezing in cold weather, and the one-touch self-cleaning cycle handles scale removal. The programmable 24-hour timer lets you schedule production around usage patterns.
Nugget ice melts faster than solid cubes, so the machine needs to cycle more frequently during high demand. The included scoop is oversized for commercial use rather than home-sized portions. Some users noted the listing lacked exact dimensions, so measure your cabinet space carefully before purchasing.
Why it’s great
- Soft, chewable nugget ice similar to Sonic-style
- 5-minute first batch with rapid recovery
- Dual water inlet for tap or bottled water
Good to know
- Nugget ice melts faster than solid cubes
- Scoop is oversized for home use
4. COTLIN HXIMC20 Drainless Ice Maker
The COTLIN HXIMC20 is a drainless undercounter ice maker that requires no floor drain or external plumbing—just connect a water line and plug it in. It produces crescent-shaped ice that melts slowly and feels smooth in hand, adding a refined touch to whiskey or cocktails. The 12 lb storage bin is modest, but the intelligent ice-full detection system prevents overflow.
At 14.88” wide and 25.12” tall, this unit fits under standard counters and works well in RVs, boats, or small kitchens where drainage is impossible. The reversible door and adjustable feet accommodate various layouts. ETL certification confirms safety standards, and owners report whisper-quiet operation and quick ice production.
Daily output is only 15 lbs, which limits its use to individuals or small households hosting occasional gatherings. Some buyers received defective units (bent fan brackets, bad compressors), but the lifetime support team replaced them quickly. This model is ideal for its simplicity and drain-free flexibility, not for high-volume demand.
Why it’s great
- No drain line required—simplest installation available
- Slow-melting crescent ice shape
- Very quiet operation and compact footprint
Good to know
- Only 15 lbs daily output—not for high demand
- Some early units had quality control issues (resolved by support)
5. Mojgar 15″ W Under Counter Ice Maker
The Mojgar 15″ W ice maker produces 100 lbs per day with a 30 lb storage bin, offering commercial-grade output in a compact 15-inch-wide chassis. The 11-20 minute cycle time is faster than many competitors, and the hard ice cubes melt slowly, making them ideal for high-frequency use. The 304 food-grade stainless steel body and ABS inner tank resist corrosion.
The LCD touch screen provides real-time temperature display, ice thickness adjustment, scheduled ice making, and fault warnings. The built-in LED bin light eliminates the need to turn on overhead lights when scooping ice at night. The three-layer vacuum insulation foam combined with anti-freeze foam door boosts insulation by 40% and cuts energy use by 25% compared to average machines.
Gravity drainage means the drain hose must sit below the machine’s outlet, which may require creative routing in some cabinets. The adjustable ice thickness has a slight learning curve during initial setup. Owners in office settings report that customer service was responsive when they had questions about gravity drain configuration.
Why it’s great
- 100 lbs/day output with superior foam insulation
- LED touch screen with bin light and scheduled timer
- Energy-efficient design saves 25% vs industry average
Good to know
- Gravity drain requires careful hose positioning
- Ice thickness adjustment has a learning curve
6. Gilati Y40FA Under Counter Ice Maker
The Gilati Y40FA pumps out 120 lbs of ice daily with a 30 lb bin, producing 40 clear cubes every 10–16 minutes. The 14.96″ width fits standard undercounter slots, and the 3-layer insulated construction keeps ice frozen longer while reducing compressor strain. The reversible stainless steel door offers flexible opening direction for tight spaces.
The smart LCD panel displays ambient temperature and lets you customize ice thickness by adjusting cycle time. A 24-hour timer enables scheduled operation, and the one-touch self-cleaning function simplifies maintenance. Owners describe the machine as fast and efficient, with one reporting a full glass of ice in 8 minutes after adjusting the timer for thinner cubes.
The unit is taller than some standard cabinets—check your 32.28″ height clearance before buying. Some owners found the drain not perfectly level, leaving standing water unless the hose is positioned carefully. The front grill discharges warm air, so ensure adequate ventilation around the cabinet opening.
Why it’s great
- 120 lbs/day production with fast 10-16 min cycles
- 3-layer insulation extends ice life and saves energy
- Reversible door and adjustable ice thickness
Good to know
- Height may not fit all standard cabinets
- Drain hose must be positioned below outlet for proper drainage
7. EUHOMY CIM002-80S Under Counter Ice Maker
The EUHOMY CIM002-80S produces 85 lbs of clear ice per day with a 24 lb storage bin, making 40 cubes every 10–18 minutes. Its 14.96″ width fits standard undercounter slots, and the 3-layer insulated housing locks in cold air for longer-lasting ice. The R290a refrigerant is more environmentally friendly than R600a, with lower global warming potential.
The LCD panel displays ambient temperature and lets you adjust ice thickness by changing cycle time. A 24-hour timer enables scheduled start/stop, and the one-touch self-cleaning function activates by holding the “Timer Clean” button for 5 seconds. The reversible door accommodates left or right opening, and the sleek stainless steel construction matches commercial aesthetics.
Drain requires gravity flow, so the hose must be positioned below the machine’s drain outlet. Some users found the 33.9″ height tight for standard cabinets, so measure your space carefully. A few early buyers noted the ice scoop was oversized, but the machine itself performed consistently well in home and office settings.
Why it’s great
- Efficient R290a refrigerant with low environmental impact
- 3-layer insulation for extended ice retention
- Programmable timer and adjustable ice thickness
Good to know
- Gravity drain requires proper hose positioning
- Height may not fit all standard undersink cabinets
8. ICYGLEE Under Counter Ice Maker with Drain Pump
The ICYGLEE undercounter ice maker delivers 100 lbs of clear cubes per day with a 24 lb storage bin, producing 40 cubes every 8–16 minutes. Its integrated electric drain pump pushes water upward, enabling installation in basements, islands, or locations without floor drains—a major advantage over gravity-only models. The R290a refrigerant and 3-layer insulation keep ice solid and energy use low.
The LCD panel provides water shortage and ice-full alerts, adjustable ice thickness, and a 24-hour timer. The reversible door offers flexible opening, and the stainless steel build resists daily wear. Owners praise the adjustable ice hardness, quiet humming noise, and excellent value compared to + name-brand units.
The drain pump requires a 10-inch drop below the unit to function properly, which some basement users found restrictive—one reported leaking and floor damage when the drop requirement wasn’t met. Setup may require compression fittings for handy users. The machine is fundamentally a mid-price design, so long-term durability may not match premium commercial brands.
Why it’s great
- Electric drain pump enables flexible placement options
- Fast 8-16 min cycle with 100 lbs/day output
- Excellent value compared to premium brands
Good to know
- Drain pump needs a 10″ drop below the unit
- Setup may require compression fittings and DIY know-how
9. EUHOMY CIM0100410 Ice Maker with Drain Pump
The EUHOMY CIM0100410 produces 100 lbs of clear ice daily with a 24 lb bin and includes an electric drain pump for flexible installation without a floor drain. The 10–18 minute cycle delivers 40 cubes per batch, and the R290a refrigerant keeps energy consumption manageable. The reversible stainless steel door and adjustable feet fit standard undercounter openings.
The LCD panel displays ambient temperature, adjustable ice thickness, and a 24-hour timer for scheduled operation. The one-touch self-cleaning function activates by holding the “Timer Clean” button for 5 seconds. Dimensions of 14.96″ x 18.47″ x 33.27″ allow built-in or freestanding placement.
Some buyers found the drain pump disconnection warning confusing—the manual recommends emptying the bin if not using the pump. Gravity drainage is possible when the pump is disconnected, but the machine is optimized for pump use. A few users had to break apart ice clumps, which is common with self-contained ice machines. Overall, performance is solid for commercial and heavy home use.
Why it’s great
- Electric drain pump for flexible installation
- R290a refrigerant for efficiency
- Adjustable ice thickness and 24-hour timer
Good to know
- Drain pump disconnection requires manual bin emptying
- Ice clumps may need occasional breaking apart
10. COTLIN HXIMC22 Drainless Ice Maker
The COTLIN HXIMC22 is a premium drainless ice maker with a 22 lb storage bin, producing crescent-shaped ice that melts slowly and visually elevates drinks. No drain line is needed—connect the water supply and power cord, and it’s ready. The 14.8″ width and 27.8″ height fit standard cabinet openings, and the reversible door works for left or right installation.
The internal freezer keeps ice between 26.6–32°F to prevent melting, and the one-touch start button simplifies operation. ETL certification confirms safety and reliability. Owners describe it as whisper-quiet, with easy DIY installation taking just a few minutes for water hookup and plugging in. The stainless steel exterior is easy to clean.
A few early units had bent fan brackets or bad compressors, but COTLIN’s lifetime service support replaced them without hassle. Because it’s drainless, you’ll need to manually empty and clean the reservoir periodically to prevent mineral buildup. This model is ideal for those who prioritize simplicity and quiet operation over maximum ice volume.
Why it’s great
- True drainless design with no plumbing modifications
- Whisper-quiet operation and easy DIY installation
- 22 lb bin keeps slow-melting crescent ice frozen
Good to know
- Periodic reservoir cleaning needed to prevent mineral buildup
- Some units had initial quality issues (covered by lifetime support)
11. Electactic Z5812SH Nugget Ice Machine
The Electactic Z5812SH produces 66 lbs of premium chewable nugget ice daily, with a unique 12-hour keep-fresh feature that prevents 80% of ice from melting. The first batch arrives in under 10 minutes, and the dual ice bin design supports continuous use during parties or business hours. The stainless steel door and 15″ width fit standard undercounter slots.
The LCD panel sends alerts for low water or full ice status, and the 12-hour timer allows scheduled production for energy savings. The self-cleaning mode simplifies maintenance, and the enhanced insulation keeps nugget ice from clumping. Owners love the Sonic-style ice quality, fast production, and relatively quiet fan noise.
Nugget ice melts faster than solid cubes, so the keep-fresh feature is essential—but it still requires the drain hose to be connected. The 66 lbs/day output is lower than some cube-producing competitors, so it may not keep up with very high-volume commercial settings. The compact 14.96″ x 17.72″ footprint limits storage to 66 lbs total capacity.
Why it’s great
- Soft, chewable nugget ice with 12-hour keep-fresh insulation
- 10-minute first batch and dual bin for continuous use
- LCD panel with low water and full ice alerts
Good to know
- 66 lbs/day output lower than some cube competitors
- Nugget ice melts faster; drain hose must be connected
FAQ
Do undercounter ice makers need a dedicated water line?
How much clearance do I need above and behind an undercounter ice maker?
What’s the difference between R290 and R600a refrigerant in ice makers?
Can I install an undercounter ice maker in a cabinet without a floor drain?
Final Thoughts: The Verdict
For most users, the best 18 inch undercounter ice maker winner is the ICEVIVAL CIM010-X03 because it combines 80 lbs/day output, a 25 lb bin, an integrated drain pump for flexible installation, and intuitive LCD controls at a balanced price point. If you need high volume for a cafe or restaurant, the SOZT QR40F delivers 120 lbs/day with superior foam insulation. And for nugget ice enthusiasts, the Electactic Z5812SH produces soft, chewable Sonic-style pellets with 12-hour keep-fresh insulation.











