Refrigerated trailer vs. reefer truck vs. portable walk-in: which do you need?

Quick answer

For events, restaurants, farms and emergencies, a small towable refrigerated trailer is usually the simplest choice. It parks in roughly the space of one or two cars, runs on electricity and can refrigerate or freeze. A 53-foot semi reefer suits warehouse-scale volume with room for a tractor-trailer. A portable walk-in is assembled on site for long installations. Ice and coolers only work for a few hours.

By the Fridge on Wheels team · Updated October 2026

The options side by side

Option	Best for	Space and access	Good to know
Towable refrigerated trailer 7’×12’, 7’×14’ or 7’×16’	Weddings and events, restaurant emergencies, remodels, farms, hunting camps, storms	Roughly one or two parking spaces, plus room to back it in	Refrigerate or freeze; delivered and picked up; flexible rental length
53-foot semi reefer	Warehouse-scale volume, large distributors	A big lot with room for a tractor-trailer, often a loading dock or ramp	Huge capacity that most events and restaurants don’t need
Portable walk-in cooler	Long-term installations	A flat pad; panels assembled on site	More setup time; built to stay put
Ice and coolers	A few hours, a small crowd	Anywhere	Constant ice runs; warms quickly in Georgia heat

When a towable trailer is the right call

You need cold storage at a place without a loading dock: a barn venue, a backyard, a community center lot, a farm
You need it fast: a walk-in cooler failed or a storm is coming
Your needs fit within one walk-in cooler or a bit more
You might need frozen storage as well as cold

Which trailer size?

Our size guide walks through it. In short, a 7’×12’ covers small events and single walk-in emergencies, a 7’×14’ handles larger events and extra capacity, and a 7’×16’ handles high-volume storage.

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Questions we hear a lot

Is a refrigerated trailer the same as a reefer?

“Reefer” usually means a large refrigerated semi-trailer pulled by a tractor. Small towable refrigerated trailers like ours do the same job at a much smaller scale and fit where a semi can’t.

How much space does a refrigerated trailer need?

Our trailers are 7 feet wide and 12 to 16 feet long, roughly one or two parking spaces, plus room for our truck to back it in.

Can a towable trailer freeze?

Yes. Every one of our trailers can run as a refrigerator or a freezer.

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