Sleeping in the heat: air conditioning costs divide Spanish households

Sleeping in the heat: the luxury of air conditioning divides households

Summer nights in Spain have become a test of endurance. While some switch on the air conditioning and sleep soundly, others make do with a fan from AliExpress or simply stay awake. The difference is not just about comfort: it is an economic and consumption gap that, this year with increasingly frequent heatwaves, has become more visible.

Air conditioning all night: luxury or necessity?

For many, the solution is simple: air conditioning roaring all night long. But a typical unit (2.5 kW on average) consumes around 2 kWh per hour, which at current electricity prices (€0.15-0.25/kWh) works out at €0.30 to €0.50 per hour. Eight hours of sleep: €2.40 to €4 a day. Over a month, more than €70 extra on the bill. No small amount for households on tight incomes.

Low-cost alternatives: fans and home tricks

Against air conditioning, the ceiling or standing fan remains the most popular option. A fan consumes between 0.05 and 0.10 kWh, that is, less than €0.02 per hour. The difference is enormous. Some combine it with windows wide open, trusting the breeze will ease the mugginess. Others resort to more extreme methods: sleeping curled up, soaking the bedsheet or, as one analysis joked, "moving to Greenland".

Energy poverty in the era of extreme heat

The underlying debate is access to cooling. According to INE data (Spain's statistics institute, cited in the debate itself), a significant percentage of Spanish households cannot keep their home at an adequate temperature in summer. For those who work and have to perform the next day, sleeping four hours and running on low battery is not an option: it affects productivity, health and quality of life. But the decision to install air conditioning is not always financial: some reject it on principle, calling it "fascist" or unnecessary consumption.

Responsible consumption: where is the balance?

From a responsible consumption standpoint, the question is whether it is worth sending the electricity bill soaring just to sleep well. Fans argue that a fan is enough and that air conditioning is an unnecessary waste. Air conditioning supporters reply that a good night's sleep is priceless and that the efficiency of modern units (inverter, A+++ class) has greatly reduced the cost. The truth is that, as temperatures keep rising, the decision will become increasingly hard to avoid.

With such differences in cost and comfort, the debate remains open. Because, in the end, sleeping in the heat is not just a nuisance: it is a thermometer of inequality and of consumption priorities in a country that roasts every summer.