Sub-Zero UC-15I
#24 in 15 in wideFull review
For a buyer matching an existing Sub-Zero kitchen on a smaller budget, with a floor drain, while stock lasts. The DEU1550I makes more ice and works outdoors.
Sub-Zero $3,710$3,710
The Sub-Zero UC-15I is the better undercounter ice maker overall, rated 3.1 to 2.9. The Sub-Zero UC-15I leads on warranty. The Scotsman CU50PAX Gourmet Cube wins on drain. The Scotsman CU50PAX Gourmet Cube costs $53 less ($3,657 vs $3,710).
Scotsman CU50PAX Gourmet Cube
#28 in 15 in wideFull review
A commercial gourmet cube machine for a bar or patio that needs a pump and outdoor rating at a lower price than the residential models. Home buyers should weigh the one year residential warranty.
TopJet Sales $3,657$3,657
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Sub-Zero UC-15I for warranty (2 years on the unit, 5 years on the sealed system vs 1 year on the unit).
- Choose the Scotsman CU50PAX Gourmet Cube for drain (drain pump included vs gravity drain only, needs a floor drain).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 15 in wide undercounter ice maker; a clear win is highlighted. How we rank explains each one.
| Factor weight | Sub-Zero UC-15I | Scotsman CU50PAX Gourmet Cube |
|---|---|---|
| Overall rating | 3.1/5 | 2.9/5 |
| Value 30% | 26 $74.20 per lb a day ($3,710, 50 lb a day) | 26 $74.63 per lb a day ($3,657, 49 lb a day) |
| Output 15% | 45 50 lb of ice a day | 44 49 lb of ice a day |
| Energy use 10% | 50 energy use not published (neutral score used) | 64 11 kWh per 100 lb of ice |
| Storage 10% | 75 25 lb of storage | 80 26 lb of storage |
| Warranty 25% | 58 2 years on the unit, 5 years on the sealed system | 0 1 year on the unit |
| Drain 10% | 30 gravity drain only, needs a floor drain | 100 drain pump included |
Specifications
| Sub-Zero UC-15I | Scotsman CU50PAX Gourmet Cube | |
|---|---|---|
| Ice | ||
| Ice type | - | Cube |
| Ice a day | 50 lb | 49 lb |
| Bin storage | 25 lb | 26 lb |
| Energy use | - | 11 kWh per 100 lb |
| Water filter | - | No |
| Install | ||
| Width | 14.8 in | 14.9 in |
| Height | 33.6 in | 34.4 in |
| Depth | 23 in | 22 in |
| Drain | Gravity only | Pump included |
| Outdoor rated | - | Yes |
| Panel ready | Yes | No |
| App or remote monitoring | - | No |
| Warranty | ||
| Unit warranty | 2 years | 1 year |
| Sealed system warranty | 5 years | 1 year |