Quick Answer: Sub-Zero’s undercounter ice maker lineup starts at the UC-15I (roughly $2,820-$3,565, 50 lbs/24h clear ice, 25 lbs storage, gravity drain), steps up to the UC-15IP with a built-in drain pump (MSRP about $5,355), and adds an outdoor-rated UC-15IO (MSRP about $4,655). Per current dealer listings, that’s roughly double what EdgeStar charges for its IB450SS at the same 50-lb/24h output. The bigger catch most buyers miss: none of those prices include a finish panel — Sub-Zero sells the unit panel-ready, and the stainless or custom cabinetry front is a separate cost.
Sub-Zero built its name on premium undercounter refrigeration — wine fridges, beverage drawers, column fridges — and its ice makers are designed to slot into that same matched-cabinetry system. That’s the real reason to buy Sub-Zero over a dedicated ice-maker brand: not more ice per dollar, but a finish and mounting system that matches the rest of a Sub-Zero kitchen suite.
The Sub-Zero ice maker lineup at a glance
| Model | Install | Drain | Storage | Output | Price |
|---|---|---|---|---|---|
| UC-15I | Indoor, panel-ready | Gravity | 25 lbs | Up to 50 lbs/24h | ~$2,820-3,565 |
| UC-15IP | Indoor, panel-ready | Built-in pump | 25 lbs | Up to 50 lbs/24h | ~$5,355 (MSRP) |
| UC-15IO | Outdoor-rated, panel-ready | Gravity | 25 lbs | Not published | ~$4,655 (MSRP) |
Prices per current Sub-Zero-authorized dealer listings, September 2026 — confirm against a Sub-Zero showroom or authorized dealer before ordering, since panel choice and regional pricing shift the final total.
Sub-Zero UC-15I
- Makes up to 50 lbs of clear ice a day with 25 lbs of on-board storage, per Sub-Zero's published specs — matching EdgeStar's IB450SS output.
- Gravity drain (needs a nearby floor drain); front-venting with a removable kickplate so it can be serviced without pulling the unit out of the cabinet.
- Positioned directly against EdgeStar's IB450SS (50 lbs/24h, ~$1,300-1,500) — Sub-Zero charges roughly double for the identical rated output, and that price still doesn't include the finish panel.
Stocking a home bar for a matched Sub-Zero install usually means restocking mixers, garnishes, and cleaning supplies while you wait on the plumber — try Amazon Fresh for grocery delivery in the meantime.
The base model: UC-15I
At roughly $2,820-$3,565, the UC-15I is Sub-Zero’s entry point into built-in ice — a 15-inch, gravity-drain unit producing up to 50 lbs/24h of clear ice with 25 lbs of storage. That output figure matters because it’s identical to EdgeStar’s IB450SS, which retails for about $1,300-1,500. The gap isn’t ice quality or quantity — per both makers’ own published specs, the two units make the same amount of the same style of ice. The gap is brand, mounting hardware, and Sub-Zero’s front-service kickplate design.
The no-floor-drain option: UC-15IP
The UC-15IP swaps the gravity drain for a built-in condensate pump, which routes meltwater without needing a nearby floor drain — useful for installs where cabinetry doesn’t have plumbing access below. That flexibility comes at a real cost jump: MSRP climbs to roughly $5,355, about 50% more than the base UC-15I for the same 50 lbs/24h output. Anyone facing the same drain-vs-pump decision at a lower price point should read our EdgeStar ice maker review, where the IB450SS carries the identical tradeoff.
The outdoor-rated option: UC-15IO
For a covered patio bar or outdoor kitchen, the UC-15IO adds outdoor-rated weatherproofing to the same 15-inch panel-ready footprint, at an MSRP around $4,655. Sub-Zero doesn’t publish an output figure for this model in the sources we checked, so confirm current specs directly with a dealer before assuming it matches the UC-15I’s 50 lbs/24h. Buyers on a tighter outdoor budget should compare against our best outdoor ice maker guide before committing to Sub-Zero’s price tier.
The panel cost nobody advertises
Every price above is for the appliance alone. Sub-Zero’s own documentation confirms the company doesn’t manufacture custom decorative panels — the unit ships with mounting hardware and a template, but the actual stainless or wood front panel is a separate purchase, either as a stainless accessory through a dealer or Factory Certified Parts Distributor, or custom-made by a local cabinet maker to match surrounding cabinetry. Budget an extra few hundred dollars, minimum, before the ice maker actually looks finished — a cost EdgeStar and Whynter buyers don’t face, since their built-ins arrive with a finished stainless front already included.
Sub-Zero vs. the competition
- vs. EdgeStar (built-in specialist, lower price): EdgeStar’s IB450SS matches the UC-15I’s 50 lbs/24h output for roughly half the price — and that price includes a finished stainless front. See our EdgeStar review.
- vs. U-Line (also matched-cabinetry premium): U-Line’s HCP115 (up to 55 lbs/24h, ~$3,800-4,900) sits in a similar premium tier to Sub-Zero’s UC-15I, with a slightly higher output ceiling and a wider format lineup (crescent, clear, nugget, outdoor). Buyers cross-shopping premium built-ins should compare both before choosing a matched suite. See our U-Line review.
- vs. KitchenAid (major-appliance matched kitchen): KitchenAid’s KUIX335HPS/KUIX535HPS (~$2,479.99-$2,834) undercuts the UC-15I while including a 3-year parts/labor warranty — a better fit for buyers matching a KitchenAid kitchen rather than a Sub-Zero one. See our KitchenAid review.
Sub-Zero by the numbers
| Metric | Figure | Why it matters |
|---|---|---|
| UC-15I price | ~$2,820-3,565 | Roughly double EdgeStar's IB450SS for the identical 50 lbs/24h output, per current dealer listings. |
| UC-15IP MSRP | ~$5,355 | About 50% more than the base UC-15I in exchange for a built-in drain pump instead of a gravity drain. |
| Finish panel | Sold separately | Per Sub-Zero's own documentation, the company doesn't manufacture custom panels — only mounting hardware is included with the unit. |
Who should buy a Sub-Zero ice maker?
Buy Sub-Zero if you’re already installing a matched wine fridge, beverage drawer, or column refrigerator and want ice hardware built to the same panel-ready, front-serviceable design. Buy the UC-15IP if a floor drain isn’t available near the install location and a built-in pump is worth the price jump. Skip Sub-Zero entirely if daily ice output per dollar is the priority — EdgeStar’s IB450SS makes the identical 50 lbs/24h for about half the price, panel included.
The bottom line
Sub-Zero’s ice makers deliver exactly what the brand’s reputation promises: panel-ready cabinetry integration and front-service design, at a price that roughly doubles a comparable EdgeStar unit for the same rated output — before adding the finish panel Sub-Zero doesn’t include. That math only works for buyers already committed to a matched Sub-Zero appliance suite. Everyone else gets the same daily ice from EdgeStar or U-Line for meaningfully less.