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Equipment

How to Choose a Commercial Refrigerator

Ambient rating, insulation, condenser material and door type — the four decisions that determine whether a unit holds temperature.

Reading time
6 minutes
Last updated
21 July 2026
Row of glass-door commercial refrigerated cabinets in a retail store

Almost every complaint about a commercial refrigerator traces back to one of four specification decisions made at purchase. None of them is visible in a product photograph.

1. Ambient rating

A refrigerator is rated to hold its set temperature at a stated ambient. A unit rated for 32°C installed in a kitchen that reaches 43°C will run continuously, never quite reach set point, and fail early.

For an Indian commercial kitchen without dedicated cooling, specify against the worst ambient the room actually reaches — which is usually well above what anyone assumes.

2. Insulation

Insulation thickness and injection quality decide how hard the compressor has to work. Injected PUF fills the cavity completely; slab-cut foam leaves voids at corners that become condensation points.

Ask for the thickness in millimetres and whether it is injected. 50 to 60 mm is a reasonable expectation for an upright.

3. Condenser and compressor

Copper condensers outlast aluminium in a kitchen environment and tolerate cleaning better. The compressor should be a named brand with a stated model, not simply "imported compressor".

4. Door type and gaskets

Solid doors hold temperature far better than glass and cost less to run; use glass only where visibility genuinely drives sales. Gaskets should be push-fit and replaceable by your own team, because they are the part that fails first and most often.

Sizing the unit

Size against the largest delivery you receive, not the average stock level. A refrigerator packed to capacity restricts airflow and stops performing, so plan for roughly seventy-five per cent working fill.

  • Count the GN pans or crates you need to hold at peak
  • Allow for airflow around and above stored product
  • Check the door swing against the aisle and adjacent equipment
  • Confirm the unit passes through your access route

Frequently asked questions

In order of likelihood: a blocked condenser, an under-rated unit for the room ambient, a failed door gasket, or overfilling that has blocked internal airflow. The first is the most common and the easiest to fix.

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