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Laundry guide

How Commercial Laundromat Washers Work

Laundromat washers look like oversized home machines, but they are built differently. Knowing a little about how they work helps you pick the right machine, use the right detergent and get cleaner laundry.

Updated October 2, 2026

Front-load drums, no agitator

Most laundromat washers are front-loaders. The drum turns on a horizontal axis, lifting laundry and dropping it through the water. There is no center agitator, which makes them gentler on fabric and lets bulky items such as comforters move freely.

The door locks while the machine runs and stays locked until the drum has stopped and drained, which is a normal safety feature rather than a fault.

Capacity in pounds

Commercial washers are rated by how many pounds of dry laundry they are designed to hold, such as 20, 40, 60, 80 or more. A larger rating means a larger drum. Loading loosely to about three quarters full gives the best results, because the laundry needs room to tumble.

High-speed spin

Commercial washers typically spin much faster at the end of the cycle than many home machines. That high-speed extraction removes more water, so clothes come out lighter and dry faster, which is a big part of why a laundromat trip can be quicker than laundry at home.

Programmed cycles

Instead of dozens of dials, laundromat washers usually offer a few cycles and temperature choices. The machine handles water levels, wash time and rinses automatically. Large machines are programmed for large loads, so they use more water than a small washer, but far less than running the same laundry through several home loads.

Hot, warm or cold?

  • Cold: dark colors, bright colors that may bleed, and lightly worn everyday clothes. It is also the gentlest choice for many synthetics.
  • Warm: a good all-round choice for mixed everyday loads and moderately soiled clothes.
  • Hot: whites, towels, sheets and heavily soiled items, where the care label allows it.
  • When a care label gives a maximum temperature, stay at or below it.

Detergent: less is more

  • Use high-efficiency (HE) detergent; front-loaders use less water, and regular detergent can over-suds.
  • Measure for the load size rather than pouring freely. Too much soap leaves residue and can make towels stiff.
  • Add detergent where the machine directs, either in the dispenser or directly in the drum.

Paying and starting

Payment systems vary by laundromat. At 1st Class Laundry, every store uses a reloadable laundry card: load it at the kiosk with cash, card or EBT, then tap it on the washer you want. The price shows on the machine before you start, and the balance works at every location.

Getting the best wash

  • Match the washer to the load: a big machine for a big pile of the same colors, smaller ones for separate groups.
  • Shake items out and spread weight evenly to avoid an unbalanced spin.
  • Close zippers and empty pockets.
  • Move laundry to the dryer promptly so it does not sit damp.

Sizes at our stores

At 1st Class Laundry, the biggest washers on record are 120 lb in Glassboro, 80 lb in Pine Hill, Berlin and Atco.

Each location page lists the washer and dryer sizes on record.

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