Home › Commercial Refrigeration Guide › Reach-In & Prep Refrigeration Guide › Undercounter, Worktop and Chef Base Refrigerators
Updated October 14, 2026
Quick answer
Undercounter units slide under an existing counter, worktop units have their own work surface on top, and chef bases are low drawers built to hold a griddle or charbroiler. All three live in the hottest part of the kitchen and breathe through a small front grille, so a clogged condenser and blocked airflow cause most of their failures.
Which is which
| Type | Top | Typical use |
|---|---|---|
| Undercounter | None, fits under a counter | Bars, prep stations |
| Worktop | Stainless work surface, often a backsplash | Extra prep space plus storage |
| Chef base | Reinforced top for cooking equipment | Under griddles, broilers, fryers |
Why they fail
- Front-breathing condenser. The grille clogs with grease and lint, and anything stored in front of it chokes the unit.
- Heat from above. Chef bases sit under cooking equipment. Use only units rated for it.
- Drawer gaskets and slides. Drawers are opened hundreds of times a shift.
Keep them cold
- Clean the condenser grille and coil monthly in a cook line.
- Keep mats, boxes and mop buckets away from the grille.
- Check drawer gaskets weekly; replace torn ones early.
- Do not put a chef base under equipment it is not rated to carry.
Clearances and ventilation
Front-breathing units are designed to sit with no gap at the sides and back, taking air in and out through the front grille. Units that breathe from the back or sides need the clearance their manual lists. Installing a rear-breathing unit flush under a counter is one of the most common causes of early compressor failure we see.
Drawer units
- Clean drawer tracks so drawers close fully.
- Check that drawer gaskets seal at the corners.
- Do not overload drawers past their weight rating.
- Keep pans the right size so drawers close.
Buying tips
- Confirm whether the unit is front-breathing before building it in.
- Choose a chef base only where cooking equipment will sit on it.
- Match the height to your counter and any equipment above.
- Check that casters and leg height leave room to clean beneath.
Related
Prep tables · Not cooling · Delfield units
Owner checks, in order
| Step | Check | What it means |
|---|---|---|
| 1 | Probe product | Above 41°F: move food |
| 2 | Front grille and coil | Grease or lint: clean |
| 3 | Anything blocking the grille? | Remove it |
| 4 | Drawer and door gaskets | Replace torn ones |
| 5 | Is the unit rated for what sits on top? | Only chef bases carry cooking equipment |
Bay Area factors
Compact Bay Area kitchens put undercounters and chef bases right under the hottest equipment. In summer heat waves inland, these are the first units to lose temperature during service.
Which type for each station
| Station | Best fit |
|---|---|
| Under a griddle or broiler | Chef base rated for the equipment |
| Prep area needing counter space | Worktop |
| Under an existing counter | Front-breathing undercounter |
| Bar | Undercounter or back-bar cooler |
Common failures
| Failure | Why |
|---|---|
| Overheating condenser | Grease and blocked grille |
| Torn drawer gaskets | Constant use |
| Sticking drawers | Dirty or overloaded slides |
| Warm product at peak | Heat from above |
What our technician does
- Measures drawer and cabinet temperatures.
- Cleans and checks the condenser and fans.
- Inspects gaskets and slides.
- Tests controls and refrigeration.
Regular hours are 8 AM to 5 PM, with emergency service until 9 PM.
Why heat from above matters
A chef base under a char-broiler absorbs heat through its top all day and sits in hot air pulled toward the hood. Units rated for the job have reinforced, insulated tops and condensers sized for that load. A standard worktop under the same equipment fails early, often first as warm drawers at peak service and later as a burned-out compressor.
If your line was rearranged and cooking equipment now sits on a unit not rated for it, move it before the summer heat.
Bay Area kitchen layouts
Bay Area restaurants often fit full menus into small footprints, which puts undercounters under every flat surface. Plan airflow when you lay out the line: front-breathing units under counters, chef bases only under equipment they are rated for, and space to pull drawers fully open.
Drawers vs doors
Drawers bring product to the cook without bending into a dark cabinet, which speeds service under a line. They also add slides and drawer gaskets that wear faster than door hinges. Doors hold more and suit bulk storage. Many lines mix both: drawers under the grill, doors under the prep counter. Whatever you choose, keep pans sized so drawers close fully; a drawer held open by a pan edge leaks cold air all shift.
When to call a technician
Call if the unit cannot hold 41°F after a coil cleaning, or if drawers no longer close and seal.
Open 7 days, 8 AM to 5 PM, with emergency service until 9 PM. CA Lic. #776244.
Frequently asked questions
What is a chef base refrigerator?
A low refrigerated drawer unit with a reinforced top designed to support cooking equipment such as griddles.
Why does my undercounter fridge stop cooling during service?
It is usually overheating: the front condenser grille is clogged or blocked, and the kitchen is at its hottest.
Can I put a griddle on a worktop refrigerator?
Only on a unit rated as a chef base. A standard worktop is not built for that heat or weight.
Can I put an undercounter refrigerator in an enclosed cabinet?
Only if it is front-breathing and the manual allows it.
Why do chef base drawers ice up?
Gaskets that do not seal let humid air in; replace them and keep drawers closed.
How cold should an undercounter be?
Set it so product holds at or below 41°F; most operators set 35 to 38°F.
Are worktop tops food-safe work surfaces?
Most are stainless prep surfaces; check the model for cutting-board options.
