How to Store Coffee Beans So They Do Not Lose Aroma

What changes the result

Most problems do not come from the product, they come from how it is used. Here is what actually makes a difference, in order of impact, with the concrete steps and the mistakes that come up again and again. No generic advice: things you can apply today and notice tomorrow.

Capsules or beans: the real cost per cup

Here the numbers are clear. A closed-system capsule costs between 0,30 and 0,45 €; own-brand compatibles come down to 0,15-0,22 € but with uneven quality. A kilo of freshly roasted whole beans costs 15-25 € and yields around 55 double doses of 18 g, that is 0,10-0,15 € per cup. At two coffees a day, the annual difference is around 150-200 €: a 400 € bean-to-cup machine pays for itself in a little over two years against capsules. Capsules win on convenience, zero cleaning and zero learning curve; whole beans win on cost, freshness and quality ceiling.

Water hardness and descaling: what kills coffee machines

The number one cause of breakdowns is limescale, not use. Across much of the Mediterranean coast and central Spain the water exceeds 25-30 °fH, and at that hardness a machine without a filter needs descaling every 1-2 months; with soft water (<15 °fH) you can stretch it to 3-4 months. Use filtered water or bottled water with weak mineralisation (dry residue below 100 mg/l), set the hardness in the menu if the machine allows it, and do not ignore the descaling warning: once the heating element scales up, the water no longer reaches temperature and the coffee tastes thin long before the machine actually fails.

Moka pot: why it is not an espresso

The moka pot works at 1,5-2 bars, a long way from the 9 of an espresso, so it does not produce real crema: it makes a concentrated coffee, with body and roasted notes. To get it right: medium grind (coarser than for espresso), fill the filter without tamping, put already-hot water in the boiler so the coffee does not stew on the way up, and take it off the heat as soon as it starts to gurgle. Never wash it with detergent or in the dishwasher if it is aluminium: just water, then dry it. It costs 20-35 € and is still the best pleasure-per-euro in home coffee.

Roast and freshness: the factor almost everyone ignores

Coffee is a fresh product. A bean is at its best between 7 and 30 days from roasting: before that it is still degassing and hard to extract, after that it loses aromas fast. Look on the bag for the roast date, not the best-before date: if only the latter is shown, it is a sign that the roast is not recent. The arabica brings acidity, sweetness and aromatic complexity; the robusta gives body, more caffeine and better crema, which is why Italian espresso blends carry between 10 and 30%. Store it in an opaque airtight tin, at room temperature, and never in the fridge.

• Build quality and materials
• Recent verified reviews (3-4 stars included)
• Warranty and returns policy
• Current price against its historical average
• Seller reputation
• That the key features match how you will use it (everyday use)

Spares, warranty and lifespan

Before buying, check three things that decide whether the machine lasts you eight years or three: that there are spare seals and filters on sale, that it has an official service network, and that the brew group is accessible to clean it. The brands with the best spare-parts availability on the Spanish market are De'Longhi, Philips/Saeco, Krups and Sage. Most manufacturers also honour a 2–3 year warranty, depending on your country’s consumer protection rules, and with coffee machines it pays to keep the receipt, because limescale damage is often excluded if you cannot prove maintenance.

Criteria	Fellow Stagg EKG KettleOur choice	Krups Nespresso Vertuo
Ideal for	Balanced, all-round use	everyday use
Strong point	Value for money	Specific features
Ratings	Very positive and numerous	Positive
Guide price	from ~320 €	from ~200 €
Recommendation	Our choice	Best alternative
View on Amazon	See price →	See price →

The 9 bars of pressure that really matter

Almost every entry-level machine advertises 15 or 20 bar, and it is a marketing figure: that number is the maximum pressure of the vibration pump, not what reaches the coffee. A correct espresso is extracted at 9 bars at the group head, and above 11-12 the extraction turns bitter because it drags out compounds that should stay behind. A 15 bar machine with a properly calibrated OPV valve makes better coffee than an unregulated 20 bar one. When comparing, ignore the bar figure and look at whether the portafilter is pressurised or not, and at temperature stability.

To finish

Start with what is at the top, which is what you notice most, and leave the rest for when you have some practice. If after all this you are still not getting what you are after, then it does make sense to change machine: the Fellow Stagg EKG Kettle is the most balanced option for the step up, with the Krups Nespresso Vertuo as the alternative.

Frequently asked questions

How much caffeine does an espresso have against a filter coffee?

Less than you would think: a double espresso is around 120-150 mg and a large 250 ml filter cup reaches 150-200 mg, because it uses far more water and contact time. Espresso concentrates flavour, not total caffeine.

How do you store coffee beans?

In an airtight opaque container, at room temperature and away from kitchen steam. No fridge and no freezer for daily use: the beans absorb moisture and smells every time you take them out and put them back. Buy 250-500 g bags and use them within three or four weeks.

Is a coffee machine with an app or wifi worth it?

Unless you have a specific need, no. It is the feature most often abandoned after the first month and it adds price without touching what matters: grinder, temperature stability and milk circuit. That money goes much further on a better grinder.

What is the difference between espresso, lungo and ristretto?

It is the same dose of coffee with a different amount of water. A ristretto is around 18 g for 25 ml and comes out dense and sweet; a double espresso, 18 g for 36 ml; a lungo goes past 60 ml and drags in more bitterness because it keeps extracting when there is nothing good left. If you want a long, mild coffee, go for an americano instead: espresso with hot water added.

Why do you need to warm the cup?

Because a cold cup takes between 8 and 10 °C off the drink in the first second, and an espresso served at 60 °C instead of 70 tastes dull and sour. Leave it on the cup warmer tray or rinse it with hot water: it costs nothing and you notice it in the first cup.

Should I go for the Fellow Stagg EKG Kettle or the Krups Nespresso Vertuo?

The Fellow Stagg EKG Kettle is the most balanced option and the one we recommend by default. The Krups Nespresso Vertuo makes sense if your priority is everyday use. As a budget reference, the useful range starts at around 200 € and the best balance is usually found around 320 €.

By the Café en Casa Team · reviewed by

As an Amazon Associate, Mejor Café en Casa earns from qualifying purchases. Prices and availability may vary.