If your bar is used most weekends and already has power, a fridge wins on convenience. If it is used a handful of times a summer, or you would need to run a new supply just for the fridge, a decent cool box and a bag of ice will do the job without any wiring at all. The question is really how often, and whether the cables are already there.
The quick comparison
| Deciding factor | Bar fridge | Cool box and ice |
|---|---|---|
| Needs power | Yes, a proper outdoor supply | No |
| Ready when you are | Always cold | Needs filling with ice beforehand |
| Capacity | Fixed by the cabinet | Add another box for bigger parties |
| Portability | Stays put | Goes to the beach, park or campsite |
| Upkeep | Defrosting, wiping, servicing the supply | Draining, drying, buying or making ice |
| Food-safe chilling | Can hold a steady temperature | Temperature drifts as ice melts |
| Look | Built-in, glass door options | Can be hidden under the counter |
Who should choose a bar fridge
- Bars used often, where filling a cool box every time becomes a chore.
- Bars that already have power for lights or a TV. See power to a garden bar.
- Anyone keeping food as well as drinks out there, since a fridge holds a steadier temperature.
The garden bar fridges guide covers sizes and climate classes.
Who should choose a cool box
- Occasional bars and summer-only setups.
- Pallet or sleeper bars with no electrics at all. See pallet bars and sleeper bars.
- Renters, or anyone who might move the bar.
- People who would otherwise be paying for an electrician mainly to run one appliance.
The hidden work on each side
Bar fridge
The fridge is the easy bit. The supply is the work: a qualified electrician, the right cable route, RCD protection and probably a certificate. Then there is the climate class. Many fridges are designed for indoor temperatures, and an unheated shed can be too cold in winter or too hot in summer for them to run well. Glass doors lose more cold than solid ones. A fridge thermometer is a cheap way to check it is actually doing its job.
Cool box
The hidden cost is ice and time. You need to buy or freeze ice ahead of every gathering, drain meltwater, and dry the box out afterwards so it does not get musty. Food in a cool box needs more care, because the temperature rises as the ice melts. The Food Standards Agency advises keeping chilled food cold, so keep meat and dairy in the house fridge and only drinks in the box.
A sensible upgrade path
Plenty of people start with cool boxes and move to a fridge once they know how much they use the bar. If you think power might come later, ask about a cable route when you build the base, even if nothing goes in yet. And there are tricks to make ice last longer covered in ice and cooling without power.
Count how many times you actually used the bar last summer. If it is fewer than you think, buy a good cool box first and see.
Quick answers
How long does ice last in a cool box?
That depends on the box, how full it is, the weather and how often it is opened. Check the maker’s guidance and see ice and cooling without power for tips.
Is a solar-powered fridge an option?
Sometimes, but fridges draw power around the clock, so the system has to be sized properly. See solar power for a garden bar and mains vs solar.
Can I keep food in a cool box at a party?
For short periods, if it is kept cold. The safer approach is to keep perishable food in the house fridge and only bring out what you need.
Sources
Primary guidance checked 10 November 2026.