Heat pump dryer: is the €600 A-rated model worth it over a B?

Dryer: paying €600 for an A-rated model or half that for a B

An apartment with a south-facing terrace and still nowhere to dry the laundry. The person behind the question describes it without drama: in winter, a whole week of overcast skies and humid air leaves the washing line useless, and drying indoors has ended up breeding mould on the walls. The solution is a dryer that will only be used on those days, around 65% of winter washes and practically none in summer, always during off-peak hours of the time-of-use tariff. The question is the usual one: an A-rated heat pump model for around 600 euros, a B-rated one for half the price with double the consumption, or ruling out a C outright.

What an A-rated dryer really uses compared with a B

The calculation that comes up in the discussion is more modest than the antiestéticar of the bill suggests. According to a figure circulating in the debate, an A-rated heat pump dryer uses around 1.61 kWh per cycle; at off-peak rates, that works out at about 10 cents per load. A B-rated model, with double the consumption, comes to around 20 cents. For someone who only switches it on in winter, the annual difference alone does not pay back the 300-euro premium within a reasonable time.

That is the first blind spot of purely energy-based reasoning: the label is not the only cost. Those who defend the A-rated model add two variables that do not appear in the brochure. The first is capacity: some models swallow an entire washer load and avoid two drying cycles where one and a half used to be needed. The second is the treatment of clothes: heat pump dryers work at lower temperatures, which extends the life of garments. Adding both together, the premium stops being a whim and becomes a calculation over several years.

The heat the dryer gives back, and night-time noise

One line of argument holds that electricity consumption is not a net loss in winter. Condenser dryers return almost all the energy used to the room as heat, and if the appliance is inside the home, that heat reduces the heating bill. The nuance is that integrated heat pump models expel cooler air, which can be counterproductive in a home with individual heating. The implied recommendation: if the goal is to make use of residual heat, the B-rated model does that job better than the A.

Noise is the other variable that comes up. The experience reported suggests a level similar to a washing machine, with a spike when drying garments with metal buttons. In a duplex, with the appliance on the upper floor and the nearest neighbour two storeys below, the risk of neighbour disputes seems low. Filling the machine to capacity reduces the rattling.

Alternatives that fall under their own weight

The dehumidifier appears as the middle-ground option, and the reported experience is mixed. A basic model improves ambient humidity but does not eliminate the mould in a room with high ceilings and a thermal bridge on the north wall. A high-end unit comes close in price to the B-rated dryer, so the advantage disappears. The natural gas dryer is ruled out from the start in homes without a gas connection, and heat pump heating with split units is postponed for budget reasons.

The conclusion that emerges is not the one the original question was looking for. For sporadic use concentrated in winter, the B-rated model is more cost-effective in purely monetary terms. The A-rated model is justified when the appliance is used all year round, when capacity and garment care matter, or when simultaneous use with the heating forces you to watch your contracted power. Is it worth paying double for a saving of cents per cycle?