During EuropeB次元官网网址檚 last month, Floriana PeroniB次元官网网址檚 vintage clothing store had to close for a week. A truck of rented generators blocked her door as they fed power to the central Roman neighborhood hit by a blackout as temperatures surged. The main culprit: air conditioning.
The period B次元官网网址� in which temperatures hit 40 degrees Celsius (104 degrees Fahrenheit) B次元官网网址� coincided with peak electricity use that came close to ItalyB次元官网网址檚 all-time high, hitting a peak load of more than 59 gigawatts on July 19. That neared a July 2015 record.
Intensive electricity use knocked out the network not only near the central Campo de Fiori neighborhood, where Peroni operates her shop, but elsewhere in the Italian capital. Demand in that second July week surged 30%, correlating to a heat wave that had persisted already for weeks, according to the capitalB次元官网网址檚 electricity company ARETI.
Like many Romans, Peroni herself does not have AC either in her home or her shop. Rome once could count on a Mediterranean breeze to bring down nighttime temperatures, but that has become an intermittent relief at best.
B次元官网网址淎t most, we turn on fans,B次元官网网址橞次元官网网址� Peroni said. B次元官网网址淲e think that is enough. We tolerate the heat, as it has always been tolerated.B次元官网网址�
In Europe, though, that is starting to change.
AIR CONDITIONING IS LESS A PART OF THE CULTURE IN EUROPE
Despite holdouts like Peroni, rising global temperatures are dropping air conditioning from luxury to a necessity in many parts of Europe, which long has had a conflicted relationship with energy-sucking cooling systems deemed by many to be an American indulgence.
Europeans look with disdain at overcooled U.S. buildings, kept to near meat-locker temperatures, where a blast of cold air can shoot across city sidewalks as people come and go, and where extended indoor appointments necessitate a sweater even in the height of summer.
By contrast, event organizers in Europe may offer hand fans if events are expected to overheat. Shoppers can expect to sweat in under-cooled grocery stores, and movie theaters are not guaranteed to be climate-controlled. Evening diners have typically opted for outside tables to avoid stuffy restaurants, which rarely offer AC.
To deal with the heat, Italy and Spain typically shut down for several hours after lunch, for a riposo or siesta, and most vacation in August, when many businesses shut down completely so families can enjoy a holiday at the seaside or in the mountains. Italians in particular are happy to abandon overheated art cities to foreign tourists, which reduces the urgency for a home AC investment.
Still, European AC penetration has picked up from 10% in 2000 to 19% last year, according to the International Energy Agency. That is still well shy of the United States, at around 90%. Many in Europe resist due to cost, concern about environmental impact and even suspicions of adverse health impacts from cold air currents, including colds, a stiff neck, or worse.
Cooling systems remain rare in Nordic countries and even Germany, where temperatures can nudge above 30 degrees (into the 90s Fahrenheit) for extended periods.
But even those temperate climates may cross the threshold of discomfort if temperatures increase beyond 1.5 degrees C to 2 degrees C, according to by the University of Cambridge. In that scenario, people living in northern climes like Britain, Norway, Finland and Switzerland will face the greatest relative increase in uncomfortably hot days.
Nicole Miranda, one of the studyB次元官网网址檚 authors, said their estimate, which would mean surpassing the international goal of limiting future warming to 1.5 degrees Celsius above pre-industrial times, are conservative.
B次元官网网址淭hey donB次元官网网址檛 take into account the urban island effects,B次元官网网址� she said, when cities are unable to cool at night and surfaces become radiators. B次元官网网址淔rom a scientific point of view, if we all run to the go-to solution, which is air conditioning, we are going to get into a different type of problem, because there is high energy consumption and high carbon emissions related to air conditioning.B次元官网网址�
Cities should consider less intensive solutions, like shading buildings, and incorporating cooling bodies of water, she said. She also advocated a trend toward cooling individuals, instead of spaces, using personal devices like ice packs in jackets or high-tech textiles that dissipate body heat more efficiently.
THEREB次元官网网址橲 A GROWING B次元官网网址� IF RELUCTANT B次元官网网址� DEMAND
In Italy, sales of air conditioning units grew from 865,000 a year in 2012 to 1.92 million in 2022, mostly for business and not residential use, with growth reported in the first quarter of this year, according to the industry association Assoclima. Most are split heat air pump systems, which can heat spaces in the winter, which Assoclima said can reduce gas consumption as prices spike during the war in Ukraine. That dual use attracts consumers.
France, with a slightly larger population, is showing more resistance, selling 1 million units a year. Air conditioning was rare in France until a 2003 heat wave killed thousands, mainly among the elderly. Still, most private homes and apartments there arenB次元官网网址檛 air conditioned, and many restaurants and other businesses arenB次元官网网址檛 either. Businesses with AC will often advertise to attract customers on hot days.
AC aversion persists, both among French conservatives who see it as a frivolous American import and French people on the left who see it as environmentally irresponsible.
C茅cile de Munck and Aude Lemonsu, meteorologists at FranceB次元官网网址檚 national weather service, warned this summer that if the number of AC units doubles in Paris by 2030, the city temperature would rise by 2 degrees Celsius (3.6 degrees Fahrenheit) because of heat released by the pump systems.
Despite the concerns over energy costs, air conditioning is rapidly conquering homes in Spain, a country that traditionally bent towards the use of fans and drawing heavy blinds, a very Spanish fixture. A study by CaB次元官网网址� Foscari University projects that half of Spanish households will have AC by 2040, up from just 5% in 1990.
With the cooler indoor air come disputes as neighbors complain about noise from external units. That means problems for SpainB次元官网网址檚 real estate managers. B次元官网网址淪ome people canB次元官网网址檛 open a window because they get a puff of fire,B次元官网网址橞次元官网网址� said Pablo Abascal, president of SpainB次元官网网址檚 council of real estate managers. B次元官网网址淲ith the increase of AC systems in homes, many buildings will soon have nowhere to place the devices.B次元官网网址�
Air conditioning and cooling was found to be key for older populations in extreme heat, reducing strain on cardiovascular functions in a heat wave of 37 degrees Celsius (99 degrees Fahrenheit), according to a study at the University of Ottawa in Canada. But even in countries like Cyprus, where heat waves of 40 degree Celsius have become the norm, the sustained use of AC isnB次元官网网址檛 an affordable option for many elderly people living on fixed incomes.
Many on the Mediterranean island nation restrict usage to the hottest times of day, sometimes confining themselves to a single room.
B次元官网网址淯ndoubtedly, this scenario significantly impacts their mental well-being as well,B次元官网网址� said Demos Antoniou, director of the Cyprus Third Age Observatory, a seniors-rights group. B次元官网网址淭he prevailing fear is that refraining from using air conditioners could potentially lead to heat stroke.B次元官网网址�
At 83, Angeliki Vassiliou thinks both about her energy bill and future generations before she hits the B次元官网网址渙nB次元官网网址� button.
B次元官网网址淭hereB次元官网网址檚 no sense in wasting energy. Waste is unfair,B次元官网网址� Vassiliou said. B次元官网网址淲aste of any resource is wrong, because what would happen to our planet because of all this waste?B次元官网网址�
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