Quick answer: Most "back bar freezers" are actually back bar coolers running roughly 33-40°F, not true freezers. Choose one by matching width and depth to your bar footprint, picking solid or glass doors based on merchandising needs, confirming NSF/ANSI 7 and ENERGY STAR certification, and checking front-breathing compressor clearance for built-in installs.
Key Takeaways
- What bars call a "back bar freezer" is almost always a back bar cooler, holding temperatures in the mid-30s to low-40s°F, not below freezing.
- Measure your under-counter footprint first: back bar units are shorter and often shallower than reach-ins so the top doubles as counter space.
- Solid doors insulate better and run more efficiently; glass doors cost a little more in energy but let customers see your bottle selection.
- Look for NSF/ANSI 7 and ENERGY STAR marks together — ENERGY STAR certification requires third-party NSF/UL-471 certification as a baseline.
- Most new commercial units run on R-290 refrigerant, which has a very low global warming potential and is considered safe for commercial use.
- Leave several inches of clearance around front-breathing compressors so the unit can be serviced without pulling it out of built-in cabinetry.
In this article
This guide walks through exactly what to check before you buy, in order, plus the mistakes that trip up first-time buyers and what to do if your unit isn't cooling right.
What you need before you start
Before you shop, gather a few measurements and facts about your bar. This takes about 20-30 minutes and doesn't require any special tools — just a tape measure and a notepad.
You'll want to know your available counter width and depth, your current beverage count by category, and whether your bar has a dedicated electrical circuit nearby. If you're replacing an existing unit, note its door type and refrigerant for comparison.
Before you buy: what to gather
- ☐Tape measure for width, depth and height of the install space
- ☐A count of bottles, cans and kegs you need to store daily
- ☐Notes on your existing electrical circuit and outlet location
- ☐Photos or a sketch of the bar layout, including nearby walls or cabinetry
- ☐A target budget range and preferred door style (solid or glass)
- ☐About 30 minutes; no technical skill required for this planning stage
Steps to choose the right back bar cooler
Work through these steps in order. Each one narrows your options until you land on a model that fits your space, your menu, and local code.
Safety note: before installing any unit, confirm the electrical circuit is rated for the compressor's draw and that the outlet is grounded. Don't plug a back bar cooler into a shared circuit with other high-draw kitchen equipment.
Choosing a back bar cooler, step by step
1
Confirm you need a cooler, not a freezer
Back bar units are refrigerated storage and display cabinets that run in the mid-30s to low-40s°F — not true freezers that hold 0°F or below. If you need to freeze product, you need a dedicated reach-in or chest freezer instead.
2
Measure your counter space
Back bar coolers are built shorter than reach-in units so the top can double as counter space, and they're often shallower than kitchen undercounters to fit tight bar layouts. Measure width, depth and height, and leave room for door swing.
3
Count your bottle and keg needs
Tally how many bottles, cans, and garnish containers you stock daily, plus whether you want kegs or a direct-draw setup. This determines whether you need a standard shelving configuration or a unit built for keg storage.
4
Decide between solid and glass doors
Solid doors insulate better and run more efficiently. Glass doors trade some of that efficiency for visibility, letting customers see your bottle selection — a worthwhile trade for a showcase bar, less so for back-of-house storage.
5
Check the compressor location
Front-breathing or side-mounted compressors let a unit sit flush in built-in cabinetry and be serviced from the front, without pulling the whole cabinet out. If your install is built into cabinetry, this isn't optional.
6
Confirm refrigerant type
Most new commercial units use R-290 hydrocarbon refrigerant, which has a very low global warming potential — a GWP around 3, compared to older refrigerants. This also tends to correlate with more efficient, modern compressor designs.
7
Verify NSF/ANSI 7 and ENERGY STAR certification
NSF/ANSI 7 sets minimum food protection and sanitation requirements for materials, construction and performance of commercial refrigerators, and covers storage, display and beverage cooler types. ENERGY STAR certification requires third-party certification to NSF and UL-471 standards, so a unit with both marks has already cleared the main health-department and efficiency bars.
8
Calculate expected daily energy cost
Certified units report daily energy consumption figures — some two-door back bar coolers run around 1.3 kWh/day. Multiply by your local electricity rate to estimate monthly operating cost before you commit to a model.
9
Set the thermostat correctly after install
Once installed, set the unit to hold food at 41°F or colder, per FDA Food Code guidance for cold time/temperature-control-for-safety food. Check the temperature with a separate thermometer during the first 24 hours to confirm it's holding steady.
Common mistakes to avoid
Most problems with back bar coolers trace back to one of a few avoidable errors made before or during installation.
Common mistake
The most common mistake is buying a residential beverage fridge instead of a commercial unit. Commercial back bar coolers are built for frequent door openings and are NSF-listed for food service use, while residential units aren't rated for that duty cycle and won't pass a health inspection. A close second: blocking compressor airflow by pushing a front-breathing unit flush against cabinetry with no clearance, which causes it to run hot and short-cycle.
Troubleshooting a back bar cooler that isn't cooling right
If your cooler is running warm or cycling constantly, check airflow and door seals before assuming the compressor has failed.
- Temperature reads above 41°F: Check that the compressor has clearance on all sides and isn't blocked by stock or cabinetry — restricted airflow is the most common cause.
- Unit runs constantly without reaching set temperature: Check the door gasket for gaps or wear; a worn seal lets warm air in continuously and forces the compressor to work overtime.
- Frost buildup inside the cabinet: This usually points to a seal problem or a thermostat set too cold relative to the unit's design range — check the gasket first.
- Condensation pooling under the unit: Confirm the unit is level and that the drain line, if present, isn't clogged.
Test what you've learned
Pick an answer for each question, then reveal it to check.
1. What temperature range does a typical back bar cooler run in?
- A. 0°F or below
- B. Mid-30s to low-40s°F
- C. 50-60°F
- D. Exactly 32°F
Reveal answer
B. Mid-30s to low-40s°F Back bar units are refrigerated storage cabinets, not true freezers, so they hold food-safe refrigeration temperatures rather than freezing temperatures.
2. Which door type insulates better on a back bar cooler?
- A. Glass doors
- B. Solid doors
- C. They perform identically
- D. Neither type affects insulation
Reveal answer
B. Solid doors Solid doors insulate better than glass, while glass doors trade some efficiency for product visibility.
3. What should you check first if a back bar cooler won't reach temperature?
- A. Replace the compressor immediately
- B. Call an electrician
- C. Check compressor clearance and door gasket condition
- D. Lower the thermostat further
Reveal answer
C. Check compressor clearance and door gasket condition Restricted airflow around the compressor and worn door gaskets are the most common, easiest-to-check causes of poor cooling.
4. What certification should buyers confirm for health-department approval?
- A. ISO 9001 only
- B. NSF/ANSI 7 and ENERGY STAR with UL-471
- C. A manufacturer's warranty card
- D. LEED certification
Reveal answer
B. NSF/ANSI 7 and ENERGY STAR with UL-471 NSF/ANSI 7 covers food protection and sanitation requirements, and ENERGY STAR certification requires third-party NSF/UL-471 certification as a baseline.
When to call a professional (and which parts to buy yourself)
Call a licensed refrigeration technician for anything involving refrigerant, compressor replacement, or electrical wiring — these repairs require certification and the wrong fix can void your warranty or create a safety hazard.
Some maintenance is safe to handle yourself. A worn door gasket is one of the most common wear parts on any commercial refrigeration cabinet, and replacing one is usually a straightforward swap you can do without a technician. If your bar is also running combi ovens or other sealed equipment, keeping spare gaskets on hand for those units follows the same logic — a failing seal wastes energy long before it causes a breakdown.
Replacement parts worth keeping on hand
$121.11
$144.85
Upgrading or replacing your back bar unit
If you're replacing an aging back bar cooler or adding dry storage alongside it, look for units sized to your exact counter run rather than settling for the closest standard width. A narrow 20-inch dry storage cabinet works well for tight bar ends, while a wider two-section cabinet like the 40-inch top shelf unit suits a busier service well with more glassware and dry goods to store above the cooler line.
Back bar storage options
Frequently Asked Questions
What temperature should a back bar cooler be set to?
Set it to hold food at 41°F or colder, per FDA Food Code guidance for cold time/temperature-control-for-safety food. Most commercial back bar coolers operate comfortably in the mid-30s to low-40s°F range, so this is well within normal operating capability.
What is the difference between a back bar cooler and a back bar freezer?
A back bar cooler refrigerates at mid-30s to low-40s°F, while a true freezer holds 0°F or below. Nearly all equipment sold for back-of-bar use is a cooler, not a freezer, despite the common nickname.
Do back bar coolers need to be NSF certified?
Yes, for health-department approval they should carry NSF/ANSI 7 certification, which covers storage refrigerators, display refrigerators and beverage coolers. This standard sets minimum requirements for materials, construction and sanitation.
What size back bar cooler do I need for my bar?
Size it to your exact counter width and depth, then confirm it holds your typical daily bottle and can count. Back bar units run shorter and often shallower than reach-ins specifically to fit under counters while leaving the top usable as workspace.
Glass door vs solid door back bar cooler: which is better?
Solid doors insulate better and cost less to run; glass doors sacrifice some efficiency for merchandising value. Choose glass if customers browsing your bottle selection matters to your concept, and solid if the unit is mainly for back-of-house storage.
What refrigerant do commercial back bar coolers use?
Most new commercial units use R-290, a hydrocarbon refrigerant with a very low global warming potential, around a GWP of 3. It's considered safe and efficient for commercial bar refrigeration when installed in equipment designed for it.
Get the right unit the first time
Choosing a back bar cooler comes down to matching the footprint, door type, and certifications to how your bar actually runs service. Get the measurements right, confirm NSF/ANSI 7 and ENERGY STAR marks, and you'll avoid the two most expensive mistakes: a unit that doesn't fit and one that won't pass inspection.Browse our back bar cooler and dry storage options to find a size that fits your counter, or talk to our team about sizing, door type and refrigerant questions specific to your bar.
Sources
- Best Back Bar Fridge & Cooler Guide: Top Picks & Setup Tips
- The Lowdown On Back Bar Coolers - Foodservice Equipment Reports Magazine
- Back Bar Chiller Buyer's Guide: Specs, Costs & Real-World Picks
- The Complete Guide to Commercial Refrigerators: Types, Sizes, and What to Buy
- Back Bar Cooler Buying Guide for Bars - The Everything Depot
- Beverage-Air - Back Bar Cooler : BB68HC****G*******
- ENERGY STAR Certified Commercial Refrigerators and Freezers
- ENERGY STAR® Program Requirements for Commercial Refrigerators and Freezers
- Version 4.0
- 2022) Commercial Refrigerators and Freezers Specification