How to store an espresso machine (for weeks, months or a move)
Machines rarely die in storage — they die from how they went in and how they came out. A move, a renovation, a long trip: ten minutes of preparation decides whether the machine wakes up with a flush or with sediment, stale water and a repair story. Here is the going-in half.
Store it clean, not marinated
Coffee oils go rancid in weeks and scale keeps forming in standing water. Before the machine goes in a box: run a water backflush and, if your group allows it, a detergent backflush; pull and clean the shower screen; purge and wipe the steam wand. Whatever state it goes in is the state it stews in.
Dry it out
- Empty the tank and drip tray completely; leave the tank lid ajar so residual moisture escapes
- Take the water filter or softener out of the tank — its capacity will not survive the wait anyway, and a wet cartridge in a closed tank is a biology experiment
- Remove the portafilter from the group so the gasket is not compressed for months
- Cool, dry, indoors. A cardboard box and a dust cover beat plastic wrap, which traps condensation
The frost rule
The one storage mistake that totals machines: water freezing inside. Ice expands and cracks boilers and valve blocks, and that is rarely economical to repair. If the storage spot can freeze — garage, attic, holiday home in winter — have the boilers drained first, per the manual or by a technician. If you cannot guarantee the temperature, guarantee the draining.
Coming back out
The wake-up is its own protocol — fresh water, generous flushing, a backflush and a gasket check — covered step by step in the after-storage guide. And a restart is the natural moment to put the schedule back on rails: the machine coming out of the box has an exhausted filter and a descale clock that kept running in the dark.
Frequently asked questions
How do I prepare my espresso machine for storage?
Clean it first (backflush, shower screen, wand), then dry it out: empty the tank and drip tray, leave the tank lid ajar, remove the portafilter from the group, and store it indoors, cool and dry.
Should I drain the boiler before storing?
For indoor storage of a few weeks to months, usually not necessary. If the machine will face frost, or storage runs long, have the boilers drained per the manual or by a technician: freezing water cracks boilers, and long-standing water breeds scale and stale flavours.
Can I store an espresso machine in a garage or attic?
Only if it cannot freeze there. Water expands as it freezes and cracks boilers and valve blocks — the one storage mistake that writes off a machine. Damp rooms also corrode steel parts and encourage mould in the tank.
Never miss this task again
Espremo is a free iPhone app that builds a maintenance schedule for your exact machine — covering 108 models — and taps you on the shoulder when something is due.
Download on the App Store