The Ultimate LG Ice Plus Guide: Speed, Usage, Energy Impact, and Everything You Need to Know

When you press Ice Plus, the freezer’s evaporator coil ramps up its cooling capacity, and the ice maker’s water valve opens for a precise 5‑second fill. The water then freezes in a thin layer on the mold, a process that takes about 2‑3 minutes in a well‑maintained freezer set at 0 °F (-18 °C). After the initial freeze, the system briefly pauses to allow the ice to detach, then a second freeze solidifies the cubes fully. In practice, most users see a complete tray of cubes in 7‑10 minutes from the first press, though a heavily stocked freezer or a door that’s been left open can push the cycle toward the upper end of that range.

If you’ve ever watched the ice maker’s motor whirr, you’ve heard the “click‑click” that signals the water valve’s operation. That sound marks the start of the timer. The Ice Plus function essentially shortcuts the normal 6‑hour cycle, but it still respects the same freezing physics. A colder ambient kitchen (say, 65 °F) can shave a minute or two off the cycle, while a warm kitchen (80 °F) adds a few extra seconds as the compressor works harder to maintain freezer temperature.

The Ice Plus button is designed for occasional bursts—think a party or a sudden need for extra drinks—not as a permanent replacement for the regular ice‑making schedule. Running it continuously for hours can cause the freezer temperature to climb 2‑4 °F above its set point because the compressor must cycle more often to keep up with the added heat load from the water filling and the extra motor activity.

A practical rule of thumb is to limit Ice Plus to three consecutive cycles (about 30 minutes total) before letting the freezer return to its normal idle state. This pause gives the system a chance to re‑stabilize, preventing frost buildup on the evaporator and avoiding unnecessary wear on the compressor. If you need large volumes of ice regularly, consider adjusting the standard ice‑maker timer rather than relying on Ice Plus as a primary source.

Activating Ice Plus momentarily spikes the freezer’s internal temperature as warm water is introduced and the evaporator works overtime. The refrigerator compartment, which shares the same cooling circuit, can experience a subtle rise of 1‑2 °F, especially in models where the freezer and fridge share a single coolant loop. Most modern LG units have separate temperature sensors and a smart defrost algorithm that compensates quickly, so the temperature dip is usually short‑lived.

However, if you run Ice Plus while the fridge is already full of warm groceries, the combined heat load can push the internal temperature beyond the safe zone for perishable foods. In such scenarios, you might notice a brief softening of dairy or a slight fog on produce. The best practice is to activate Ice Plus when the freezer isn’t overloaded and the door has been closed for at least five minutes, giving the system a clean slate to handle the extra load.

Ice Plus is tied to the freezer’s ice‑maker module, not the refrigerator compartment. The button sends a signal to the freezer’s control board, which then initiates the water fill and freeze cycle. In side‑by‑side and French‑door designs, the ice maker sits in the freezer drawer, so the ice cubes are produced there and then slide into the dedicated ice bin.

Some LG models feature a dual‑zone design where a small ice bin sits in the fridge door for convenience. Even in those cases, the Ice Plus boost still originates from the freezer side; the frozen cubes simply travel through a chute to the fridge‑door bin. The refrigerator compartment itself never freezes water directly, so you won’t find a “Ice Plus” button on the fridge side of the control panel.

Pressing Ice Plus while the freezer door is ajar defeats the purpose of the boost. An open door introduces warm kitchen air, which the compressor must fight to expel. The water fill still occurs, but the freezing time can double, and the ice may form unevenly, leading to misshapen cubes or a higher chance of the mold cracking.

Beyond slower ice, an open door while the system is working can cause excess frost to accumulate on the evaporator coils, forcing the defrost cycle to kick in more frequently. Over time, this extra defrost load can wear out the heater element faster. If you need ice urgently and the door is already open (for example, while loading groceries), finish loading first, close the door, then hit Ice Plus for optimal results.

The Ice Plus cycle uses the same water filtration and molding process as the standard ice maker, so the resulting cubes retain the same clarity and taste profile. The only nuance is timing: because the water is introduced and frozen more quickly, there’s slightly less opportunity for dissolved gases to escape, which can make the ice a touch cloudier if your water source is hard or contains high mineral content.

If you notice a subtle difference in taste—perhaps a faint metallic note—it’s more likely due to the water’s quality than the Ice Plus function itself. Installing a dedicated water filter or using filtered bottled water can mitigate this effect. In most households, the visual and flavor difference is negligible, and the convenience outweighs any minor clarity variation.

Winter poses no inherent problem for Ice Plus as long as the freezer compartment stays above freezing. In colder climates, the ambient temperature around the fridge can drop below 50 °F, which actually helps the compressor run less often, potentially shortening the Ice Plus cycle. However, if the freezer compartment itself approaches 0 °F or lower due to external cold seeping in, the water may freeze too quickly, causing the mold to crack or the ice to stick.

A practical tip for winter: keep the fridge away from direct drafts and ensure the door seals are intact. If you live in a garage or unheated space where temperatures can dip below freezing, the refrigerator’s built‑in heater may activate to prevent the appliance from freezing solid, which could temporarily pause the Ice Plus function until the internal temperature rises to a safe range.

Ice Plus draws power only while the ice maker’s motor, water valve, and compressor are active. A typical Ice Plus cycle consumes about 0.02 kWh, translating to roughly 0.5 ¢ per cycle at the average U.S. electricity rate. If you run three cycles a day, that adds up to 0.06 kWh, or less than 1 ¢ daily—practically invisible on your bill.

The real energy impact comes from the indirect effect on the compressor. Frequent Ice Plus use forces the compressor to cycle more often, which can increase overall freezer energy consumption by 5‑10 % in extreme cases. For most families, occasional use won’t noticeably affect the monthly bill, but if you’re on a tight budget, limiting Ice Plus to essential moments keeps the extra load minimal.

When Ice Plus is engaged, you’ll hear a distinct whirring from the ice‑maker motor and a short click from the water valve. These sounds are louder than the background hum of a typical fridge because the motor runs at a higher speed to expedite the water fill. Additionally, the compressor may kick in more aggressively to compensate for the temporary temperature rise, producing a deeper, more noticeable hum.

If the noise spikes dramatically—say, a rattling or grinding sound—that could indicate a loose component or a buildup of frost on the evaporator fan. In such cases, a quick inspection of the ice‑maker housing and a defrost cycle can restore normal operation. Otherwise, a modest increase in volume during Ice Plus cycles is expected and not a cause for alarm.

LG introduced the Ice Plus boost with its 2020 lineup of French‑door and side‑by‑side refrigerators, and the feature has since become standard on most newer models, including the InstaView Door-in-Door series, the Linear Cooling range, and the newer SmartThinQ enabled units. If your fridge has a dedicated Ice Plus button on the control panel or within the LG ThinQ app, it’s fully compatible.

Older single‑door or basic top‑freezer models released before 2018 typically lack the dedicated boost circuitry and will ignore the Ice Plus command. However, many of those units still allow a manual “quick‑ice” function via a separate button or a timer override. Checking the user manual or the model number’s suffix (e.g., “LSXS26366S”) will confirm whether Ice Plus is supported.