A milk cooler is a type of commercial refrigerator designed specifically to store and serve cartons, bottles, or containers of milk at safe cold temperatures.
They are especially common in:
- Schools
- Cafeterias
- Daycare centers
- Hospitals
- Universities
- Correctional facilities
- Institutional kitchens
Unlike a traditional upright refrigerator, many commercial milk coolers are low, wide units with doors or lids on top.
This allows cafeteria staff or customers to quickly reach into the cabinet and remove individual milk cartons during high-volume meal service.
A commercial milk cooler is a refrigerated cabinet designed to keep individually portioned milk containers cold while providing fast access during cafeteria and institutional foodservice.
Milk coolers may hold:
- Half-pint milk cartons
- Small milk bottles
- Juice containers
- Other individually packaged beverages
This guide explains what a commercial milk cooler is, how it works, where it is used, the different types available, how many cartons it can hold, what temperature it should maintain, and how a milk cooler differs from a regular refrigerator.
What Is a Commercial Milk Cooler?
A commercial milk cooler is a specialized refrigerated storage unit built for foodservice operations that distribute large quantities of individual milk servings.
The basic job of the unit is simple:
keep milk cold while making it fast and easy to distribute.
A milk cooler generally includes:
- An insulated refrigerated cabinet
- One or more access doors or lids
- Commercial refrigeration components
- Interior storage space for milk cartons
- Casters or legs on many models
- Temperature controls
Some models also include:
- Dual-sided access
- Sliding lids
- Locking doors
- Heavy-duty bumpers
- Drain systems
- Digital temperature displays
Why Are Milk Coolers Common in Schools?
Schools are one of the most common places to find commercial milk coolers.
A school cafeteria may need to serve hundreds or even thousands of individual milk cartons during a short breakfast or lunch period.
A normal reach-in refrigerator can keep the milk cold, but it is not always the most efficient way to distribute it.
A milk cooler allows:
- Fast access
- Large carton capacity
- Easy restocking
- Convenient placement along cafeteria serving lines
Students can often remove a carton directly from the cooler while moving through the lunch line.
How Does a Milk Cooler Work?
A milk cooler works much like other commercial refrigerators.
A refrigeration system removes heat from inside the cabinet and releases it outside the unit.
The main refrigeration components may include:
- Compressor
- Condenser
- Evaporator
- Refrigerant
- Temperature control
The insulated cabinet helps prevent outside heat from entering quickly.
When the doors or lids remain closed, the refrigeration system maintains a cold environment for the milk.
What Temperature Should a Milk Cooler Be?
Milk and other perishable dairy products must remain properly refrigerated.
Commercial foodservice operators generally aim to keep refrigerated foods at 41°F or below, while many milk coolers operate in a colder range to provide additional protection during frequent opening and closing.
Always follow:
- Local food-safety requirements
- Manufacturer recommendations
- Internal foodservice procedures
for the specific operation.
Why Does Milk Need to Stay Cold?
Milk is a perishable dairy product.
Proper refrigeration helps:
- Slow bacterial growth
- Maintain product quality
- Preserve flavor
- Extend usable shelf life
This makes reliable refrigeration especially important in schools and cafeterias where large quantities of milk may be stored at once.
What Does a Milk Cooler Look Like?
Many commercial milk coolers look like low rectangular refrigerated cabinets.
Common characteristics include:
- Stainless steel exterior
- Top-opening access
- Solid insulated lids
- Casters
- Heavy-duty construction
They are often designed to sit at approximately serving-line height rather than standing upright like a reach-in refrigerator.
Why Do Milk Coolers Open From the Top?
Top access makes it easy to reach directly into the storage compartment.
This can be useful in cafeterias because staff or students can quickly grab an individual carton without opening a large upright door.
Top-opening designs can also:
- Reduce the amount of floor space needed for door clearance
- Make the cooler easier to integrate into serving lines
- Provide visibility of available cartons
What Is a Front-Access Milk Cooler?
Some commercial milk coolers include doors on the front of the cabinet.
These may be used for:
- Loading milk cartons
- Removing empty crates
- Employee access
while customers or students use the top opening.
What Is a Dual-Access Milk Cooler?
A dual-access milk cooler can be opened from more than one side.
This can be useful when the unit sits between:
- Cafeteria staff
- Students
or between two different serving areas.
One side can be used for:
- Loading
- Restocking
while another side is used for service.
What Is a Single-Access Milk Cooler?
A single-access unit has one primary side or opening for service.
This can work well in smaller cafeterias where:
- Traffic moves in one direction
- The cooler sits against a wall
- Only staff need access
What Size Milk Coolers Are Available?
Commercial milk coolers come in many widths and capacities.
Common sizes may include units around:
- 30 inches wide
- 34 inches wide
- 49 inches wide
- 58 inches wide
- 65 inches wide
- 74 inches wide
Exact dimensions vary by manufacturer.
The right size depends on how many milk containers the operation needs to store and distribute between restocking periods.
How Many Milk Cartons Does a Milk Cooler Hold?
Capacity varies significantly by unit.
A milk cooler may be rated by the number of:
- Half-pint cartons
- Crates
- Cases
it can hold.
Depending on the size, commercial units can hold anywhere from a few hundred to well over 1,000 individual half-pint cartons.
Always check the manufacturer's stated carton capacity before purchasing.
What Is a Half-Pint Milk Carton?
A half-pint carton contains approximately 8 fluid ounces of milk.
This is a common individual portion used in school cafeterias.
Milk cooler manufacturers frequently advertise capacity using half-pint cartons because this gives schools an easy way to estimate how many servings a unit can store.
How Do You Choose the Right Milk Cooler Size?
Start by estimating how many cartons are needed during the busiest meal period.
Consider:
- Number of students or customers
- Breakfast volume
- Lunch volume
- Number of serving lines
- How often staff can restock
- Available floor space
For example, a cafeteria serving 600 students may not necessarily need room for all 600 cartons at one time if staff can restock the cooler between groups.
Should You Buy a Larger Milk Cooler Than You Need?
Some additional capacity can be useful, but buying a significantly oversized unit can create disadvantages.
A larger cooler may:
- Cost more
- Use more floor space
- Require more energy
The goal is to have enough capacity for efficient service without purchasing unnecessary refrigeration space.
Milk Cooler vs. Reach-In Refrigerator
A milk cooler and a reach-in refrigerator can both keep dairy products cold, but they are designed for different workflows.
| Milk Cooler | Reach-In Refrigerator |
|---|---|
| Designed for individual milk containers | Designed for general food storage |
| Usually low-profile | Usually upright |
| Top-access common | Front-door access common |
| Common in cafeterias | Common in nearly every commercial kitchen |
| Optimized for rapid distribution | Optimized for organized storage |
Can You Store Milk in a Regular Commercial Refrigerator?
Yes.
A standard commercial refrigerator can safely store milk when it maintains proper temperature.
The reason institutions purchase dedicated milk coolers is primarily:
- Convenience
- Capacity
- Serving-line efficiency
- Fast customer access
rather than because milk requires a completely different refrigeration technology.
Milk Cooler vs. Beverage Cooler
A beverage cooler may be designed for:
- Soda
- Bottled water
- Juice
- Other packaged drinks
Milk coolers are designed specifically around institutional dairy service.
They often emphasize:
- Half-pint carton capacity
- Heavy-duty cafeteria construction
- Fast top access
- Mobility
Milk Cooler vs. Glass Door Merchandiser
A glass door merchandiser displays products vertically behind a transparent door.
This works well for retail environments where customers need to see available drinks.
A milk cooler usually focuses less on merchandising and more on:
- High-volume storage
- Fast access
- Durability
Why Not Use a Glass Door Merchandiser for School Milk?
You can, but it may not be the most efficient setup.
A traditional merchandiser may require students to:
- Open the door.
- Locate a carton.
- Remove it.
- Close the door.
During a high-volume lunch period, a top-opening milk cooler may allow faster movement through the line.
Where Are Milk Coolers Used?
Commercial milk coolers are most common in institutional foodservice.
Schools
Elementary, middle, and high school cafeterias are among the biggest users.
Daycare Centers
Childcare facilities may need to store individual dairy portions for meals and snacks.
Universities
Campus dining halls can use milk coolers in breakfast and cafeteria service.
Hospitals
Institutional foodservice departments may distribute milk and other packaged beverages with patient or employee meals.
Nursing Homes
Long-term care facilities may use milk coolers for meal-service beverages.
Correctional Facilities
Large institutional kitchens may need efficient refrigerated storage for individually portioned beverages.
Military and Government Facilities
Large cafeterias may use similar equipment for high-volume meal service.
Are Milk Coolers Only for Milk?
No.
Depending on the unit and manufacturer's recommendations, milk coolers may also store:
- Juice cartons
- Bottled water
- Chocolate milk
- Flavored milk
- Other refrigerated packaged beverages
However, they are primarily designed and marketed around milk service.
Can a Milk Cooler Hold Chocolate Milk?
Yes.
School cafeterias commonly stock several milk varieties together, including:
- White milk
- Chocolate milk
- Other flavored milk
Staff can organize different flavors into sections of the cooler for faster service.
Can You Put Juice in a Milk Cooler?
Usually, yes, as long as the product requires similar refrigerated storage and the equipment manufacturer allows it.
What Is a School Milk Cooler?
A school milk cooler is simply a commercial milk cooler designed for cafeteria use.
Features that are especially useful in schools include:
- Large carton capacity
- Durable exterior
- Heavy-duty casters
- Easy-to-clean interior
- Top access
- Locks
Why Do Milk Coolers Have Casters?
Casters make it easier to move the unit for:
- Cleaning
- Serving-line reconfiguration
- Maintenance
- Restocking
In institutional kitchens, equipment may need to be repositioned frequently.
Why Do Milk Coolers Have Bumpers?
Some models include heavy-duty bumpers around the cabinet.
These help protect:
- The cooler
- Nearby walls
- Serving-line equipment
from impacts when the unit is moved.
Why Do Some Milk Coolers Lock?
Locking lids or doors can help prevent:
- Unauthorized access
- After-hours product removal
- Tampering
This can be useful in schools and other institutional environments.
What Is Forced-Air Refrigeration?
Many commercial refrigerators use fans to circulate cold air throughout the cabinet.
This is called forced-air refrigeration.
Air circulation can help:
- Maintain more even temperatures
- Recover temperature after doors open
- Cool products more consistently
Why Is Temperature Recovery Important?
During lunch service, a milk cooler may be opened dozens or hundreds of times.
Each opening allows some warm room air into the cabinet.
A commercial refrigeration system needs enough capacity to recover from this repeated use.
Fast recovery helps keep milk consistently cold during busy service periods.
What Is R290 Refrigerant?
Some newer commercial refrigeration equipment uses R290 refrigerant.
R290 is refrigeration-grade propane used in sealed refrigeration systems.
It has become increasingly common in commercial foodservice refrigeration because of its relatively low environmental impact compared with some older refrigerants.
Customers should always check the specifications for the individual milk cooler to see what refrigerant it uses.
What Is the Difference Between Top-Mount and Bottom-Mount Refrigeration?
Milk coolers usually have refrigeration components integrated into the cabinet differently from tall reach-in refrigerators.
Because these units are low-profile, manufacturers may position:
- Compressors
- Condensers
- Evaporators
in sections of the cabinet that maximize usable storage space.
Always check equipment drawings when planning installation.
Does a Milk Cooler Need a Drain?
Some models include drains to make cleaning easier.
A drain can help remove:
- Cleaning water
- Spilled milk
- Condensation
from the cabinet.
Check installation requirements because some drains may need to be positioned near an appropriate floor drain.
How Do You Clean a Milk Cooler?
Milk spills should be cleaned promptly.
Dried milk can create:
- Odors
- Sticky residue
- Sanitation problems
A basic cleaning routine may include:
- Remove all product.
- Turn the unit off if required by the manufacturer.
- Remove loose crates or racks.
- Clean interior surfaces.
- Sanitize food-contact areas as appropriate.
- Clean door gaskets.
- Dry the interior.
- Return the unit to operating temperature before restocking.
Always follow the manufacturer's cleaning instructions.
Why Are Door Gaskets Important?
Door and lid gaskets create a seal between the refrigerated cabinet and the surrounding room.
Damaged gaskets can allow warm air to enter.
This can cause:
- Longer compressor run times
- Higher energy use
- Temperature problems
- Condensation
How Often Should a Milk Cooler Be Cleaned?
Cleaning frequency depends on use.
High-volume school cafeterias may need:
- Daily spill cleanup
- Regular interior cleaning
- Periodic deeper maintenance
Any milk spill should be addressed quickly rather than waiting for scheduled cleaning.
How Long Does a Commercial Milk Cooler Last?
There is no universal lifespan.
Longevity depends on:
- Build quality
- Daily usage
- Cleaning
- Condenser maintenance
- Door gasket condition
- Ambient kitchen temperature
- Repair history
Commercial units that receive regular maintenance can remain in service for many years.
What Maintenance Does a Milk Cooler Need?
Important maintenance tasks may include:
- Cleaning the condenser
- Inspecting door gaskets
- Checking temperature
- Inspecting casters
- Cleaning drains
- Checking electrical components
Follow the manufacturer's recommended maintenance schedule.
What Happens if the Condenser Gets Dirty?
Dust and grease can restrict airflow through the condenser.
This may cause:
- Higher energy consumption
- Longer run times
- Poor cooling
- Extra stress on the compressor
Keeping the condenser clean is one of the most important maintenance steps for many commercial refrigerators.
What Electrical Connection Does a Milk Cooler Need?
Many smaller commercial milk coolers use standard commercial electrical connections, while larger models may have different requirements.
Always check the specification sheet for:
- Voltage
- Amperage
- Plug type
- Dedicated circuit requirements
before installation.
Can You Plug a Milk Cooler Into an Extension Cord?
Commercial refrigeration should be installed according to the manufacturer's electrical requirements.
Extension cords are generally not an appropriate permanent power solution for commercial refrigeration.
Use the required outlet and circuit specified by the manufacturer.
How Much Electricity Does a Milk Cooler Use?
Energy use varies based on:
- Cabinet size
- Insulation
- Refrigeration system
- Ambient temperature
- How frequently the cooler is opened
- Efficiency certifications
When comparing models, operators can review published energy-consumption data when available.
What Is an ENERGY STAR Milk Cooler?
Some commercial milk coolers may qualify for ENERGY STAR certification.
Certified models meet efficiency requirements established for their equipment category.
For schools operating many refrigeration units, energy efficiency can become important because the equipment may run continuously throughout the school year.
Should Schools Look for ENERGY STAR Equipment?
Energy-efficient equipment may help reduce operating costs over time.
Schools should evaluate:
- Purchase price
- Energy use
- Capacity
- Warranty
- Expected service life
rather than considering upfront price alone.
What Is NSF Certification?
NSF standards are commonly associated with sanitation and foodservice equipment.
When buying commercial kitchen equipment, operators should verify that the equipment carries the certifications required by:
- Local health departments
- School districts
- Institutional purchasing policies
What Is ETL Certification?
ETL marks are commonly used to indicate that electrical equipment has been tested to applicable safety standards.
Commercial institutions may require specific safety and sanitation certifications in their purchasing specifications.
What Should You Look for When Buying a Milk Cooler?
Important factors include:
Capacity
How many milk cartons does the unit hold?
Overall Dimensions
Will it fit in the cafeteria serving line?
Access Style
Does the operation need:
- Single access
- Dual access
- Top access
Mobility
Does the unit need casters?
Electrical Requirements
Is the proper outlet available?
Energy Efficiency
How much electricity does the unit consume?
Refrigerant
What refrigeration technology does it use?
Warranty
What parts and labor coverage does the manufacturer provide?
Certifications
Does it meet the institution's required standards?
Should a Milk Cooler Have Sliding or Hinged Lids?
Both designs have advantages.
Sliding Lids
Can reduce the amount of clearance needed above the unit.
Hinged Lids
Can provide a large open access area when lifted.
The best choice depends on:
- Serving-line layout
- Customer traffic
- Restocking method
What Is a Pass-Through Milk Cooler?
A pass-through or dual-sided design allows staff to access the unit from one side while customers access it from another.
This can improve workflow because employees can restock without interfering with the serving line.
Why Is Workflow Important in a School Cafeteria?
A school lunch period may be very short.
If hundreds of students need to move through the line, even small delays add up.
A milk cooler placed correctly can help students:
- Choose their meal.
- Grab milk.
- Continue toward checkout.
without stopping the entire line.
Where Should a Milk Cooler Be Placed?
The ideal location depends on the serving line.
Common placements include:
- Near the end of the cafeteria line
- Next to other refrigerated beverages
- Near the point of sale
- Between two serving lanes
Operators should consider:
- Electrical access
- Ventilation clearance
- Student traffic
- Cleaning access
Can a Milk Cooler Be Built Into a Serving Line?
Some cafeteria layouts integrate milk coolers directly into or alongside modular serving equipment.
Before planning this setup, confirm:
- Required ventilation
- Equipment dimensions
- Door clearance
- Electrical connections
- Service access
Do Restaurants Need Milk Coolers?
Most restaurants do not need a dedicated milk cooler.
A traditional restaurant usually stores milk in:
- Reach-in refrigerators
- Walk-in coolers
- Undercounter refrigerators
A dedicated milk cooler becomes more useful when an operation serves large quantities of individually packaged milk.
Who Actually Needs a Milk Cooler?
A milk cooler makes the most sense for operations that:
- Serve hundreds of individual milk portions
- Need fast self-service access
- Operate cafeteria-style serving lines
- Need mobile refrigerated storage
This is why schools and institutional foodservice operations are the primary users.
Can a Milk Cooler Help Speed Up Lunch Service?
Yes.
Instead of employees handing every student a carton individually, a well-positioned milk cooler can allow self-service.
This can reduce:
- Employee handling
- Serving time
- Congestion
Milk Cooler Capacity Example
Imagine a school serves 800 lunches per day.
If 500 students take milk and the lunch period is divided into several waves, the school may not need a cooler capable of holding all 500 cartons at one time.
Instead, staff could:
- Load the cooler before lunch.
- Serve the first group.
- Restock between lunch periods.
This is why both total daily volume and service pattern matter when selecting equipment.
Should Milk Be Loaded Into the Cooler Already Cold?
Yes.
A commercial milk cooler is primarily designed to maintain refrigerated product temperatures.
It should not be treated as a rapid-chilling device for large quantities of warm milk.
Milk should generally arrive at the unit properly refrigerated.
Why Does Pre-Chilling Matter?
Loading a large quantity of warm product can raise the cabinet temperature and place significant demand on the refrigeration system.
Pre-chilled milk helps the cooler:
- Maintain safe temperatures
- Recover faster
- Operate more efficiently
How Should Milk Cartons Be Organized?
Staff may organize cartons by:
- Milk type
- Flavor
- Expiration date
- Serving period
For example, one section might contain:
- White milk
while another contains:
- Chocolate milk
Should Milk Be Rotated?
Yes.
Inventory should be rotated so older properly stored product is used before newer product when appropriate.
Good rotation helps reduce:
- Expired product
- Waste
- Inventory confusion
Milk Coolers for Institutional Foodservice
Milk coolers are part of a larger category of institutional foodservice equipment.
A school cafeteria may also require:
- Reach-in refrigerators
- Freezers
- Hot holding cabinets
- Steam tables
- Serving lines
- Commercial dishwashing equipment
Nishi Enterprise's Commercial Refrigeration collection includes refrigeration equipment for restaurants, cafeterias, schools, and other commercial foodservice operations.
Milk Cooler Alternatives
If a dedicated milk cooler does not fit the operation, alternatives may include:
- Reach-in refrigerators
- Undercounter refrigerators
- Glass door merchandisers
- Other refrigerated beverage equipment
The best choice depends on whether the priority is:
- Storage
- Display
- Self-service
- Mobility
- Capacity
Frequently Asked Questions About Milk Coolers
What is a milk cooler?
A milk cooler is a commercial refrigerated cabinet designed to store and distribute individual milk cartons or bottles at safe cold temperatures.
Where are milk coolers used?
Milk coolers are most commonly used in schools, cafeterias, hospitals, daycare centers, universities, and other institutional foodservice operations.
Why do schools use milk coolers?
Schools use milk coolers because they can store hundreds of individual milk cartons while providing fast access during busy breakfast and lunch periods.
What temperature should a milk cooler be?
Milk should be maintained at safe refrigerated temperatures. Commercial operations commonly keep refrigerated foods at 41°F or below while following local requirements and manufacturer guidance.
Can you put milk in a regular refrigerator?
Yes. A regular commercial refrigerator can safely store milk. Dedicated milk coolers mainly provide faster access and better cafeteria workflow.
What is the difference between a milk cooler and a refrigerator?
A milk cooler is optimized for individually packaged milk and cafeteria service, while a general commercial refrigerator is designed for many different food products.
How many cartons does a milk cooler hold?
Capacity varies by model. Large commercial milk coolers can hold several hundred or even more than 1,000 half-pint cartons.
What size is a school milk carton?
A common school milk carton contains approximately 8 fluid ounces, or one-half pint.
Can milk coolers hold chocolate milk?
Yes. White milk, chocolate milk, and other refrigerated milk varieties can generally be stored together.
Can a milk cooler hold juice?
Many models can also hold refrigerated juice cartons and other packaged beverages, depending on manufacturer recommendations.
Are milk coolers top-opening?
Many are. Top-opening designs allow fast access to large quantities of individual cartons.
What is a dual-access milk cooler?
A dual-access unit allows access from more than one side, which can help staff restock while customers use another side.
What is a pass-through milk cooler?
A pass-through milk cooler allows product access from opposite sides of the cabinet and can be useful in cafeteria serving lines.
Do milk coolers have wheels?
Many commercial models have casters so they can be moved for cleaning, maintenance, and cafeteria reconfiguration.
Why do milk coolers have locks?
Locks can prevent unauthorized access or product removal when the cafeteria is closed.
Do milk coolers need drains?
Some models include drains for easier cleaning and removal of spills. Installation requirements vary.
How do you clean a milk cooler?
Remove the product, clean and sanitize the interior according to manufacturer instructions, clean the gaskets, remove milk spills, dry the cabinet, and allow it to return to proper temperature before restocking.
How often should a milk cooler be cleaned?
Spills should be cleaned immediately, with routine cleaning performed based on the volume of use and the facility's sanitation procedures.
What refrigerant do milk coolers use?
Refrigerant varies by model. Some newer commercial refrigeration equipment uses R290.
What is R290?
R290 is refrigeration-grade propane used as a refrigerant in many modern commercial refrigeration systems.
Does a milk cooler need a dedicated electrical circuit?
Requirements vary by model. Always follow the manufacturer's voltage, amperage, outlet, and circuit specifications.
Can a milk cooler use an extension cord?
Commercial refrigeration should be connected according to manufacturer electrical instructions rather than relying on an extension cord as a permanent power source.
Can a milk cooler be used in a restaurant?
Yes, but most traditional restaurants do not need one unless they distribute large quantities of individually packaged milk or refrigerated beverages.
Who needs a commercial milk cooler?
Milk coolers are best suited to schools, cafeterias, institutions, and other operations that serve large quantities of individual milk portions.
What should I look for when buying a milk cooler?
Compare carton capacity, dimensions, access style, electrical requirements, energy efficiency, refrigerant, casters, certifications, warranty, and overall construction.
Should milk be cold before loading a milk cooler?
Yes. Milk should generally be properly refrigerated before being loaded because the cooler is designed primarily to maintain cold product temperatures.
Where can schools and cafeterias find commercial refrigeration equipment?
Nishi Enterprise carries Commercial Refrigeration for restaurants, cafeterias, schools, and other commercial foodservice operations.
Final Thoughts: What Is a Milk Cooler?
A commercial milk cooler is a specialized refrigerator built around one very specific foodservice challenge:
keeping a large quantity of individual milk servings cold while allowing them to be distributed quickly.
This makes milk coolers especially useful in:
- School cafeterias
- Daycare centers
- Universities
- Hospitals
- Nursing homes
- Institutional kitchens
Unlike an upright reach-in refrigerator, many milk coolers use a:
- Low-profile cabinet
- Top-opening design
- Large interior compartment
- Mobile caster base
to make high-volume service easier.
When selecting a milk cooler, operators should consider:
- Half-pint carton capacity
- Overall width
- Single or dual access
- Available serving-line space
- Electrical requirements
- Energy efficiency
- Refrigerant
- Warranty
- Required certifications
The most important mistake to avoid is assuming that every cafeteria needs the largest available cooler.
The right unit should match:
- Daily milk volume
- Number of meal periods
- Restocking frequency
- Available floor space
For operations that do not need dedicated milk storage, a standard reach-in, undercounter refrigerator, or beverage merchandiser may be more practical.
Nishi Enterprise's Commercial Refrigeration collection includes refrigeration equipment for restaurants, cafeterias, schools, institutional kitchens, and other foodservice operations.
The easiest way to understand a milk cooler is to think of it as a cafeteria refrigerator built for speed: instead of organizing dozens of different foods on shelves, it is designed to keep hundreds of individual milk servings cold and easy to grab during a busy meal period.
