Europe's AC Panic: Chinese Units Sell Out at €2,679

Why Germans Don't Have Air Conditioning

Europe can afford almost anything. Except, it turns out, an air conditioner.

Air conditioning penetration in German households has long hovered between just 3% and 6%, with the European average sitting below 20%. Historic buildings are under strict protection, meaning many property owners simply cannot drill through exterior walls to install traditional split-unit systems.

Installation costs alone often exceed €1,000 (roughly HK$8,700), frequently surpassing the price of the unit itself. In the past, European summers stayed mild enough that electric fans and thick, heat-absorbing walls sufficed. Air conditioning was never considered essential.

Europe's historic buildings are under strict protection, leaving many property owners unable to drill into exterior walls to install traditional split-unit air conditioners.

This year, however, proved entirely different. In late June, temperatures across multiple German regions surged past 37°C. Moeckern-Drewitz in the east recorded 41.5°C, shattering Germany's all-time meteorological heat record.

Southwestern France spiked to 44.3°C, while parts of Spain approached 45°C. The UK Met Office issued only its second-ever "red extreme heat warning" in history, forcing over 1,000 schools to close. Spanish official statistics revealed that between June 21 and 24 alone, just four days, the country recorded more than 212 excess deaths directly linked to the heat.

Europeans finally grasped a hard truth. This wasn't a matter of "enduring a few tough days." It was the new annual normal under climate crisis. Overnight, air conditioning shifted from a discretionary purchase to a matter of survival.

Temperatures across Europe approached or exceeded 45°C, with extreme heat turning air conditioning into an overnight necessity for survival.

In the past, European summers stayed mild enough that residents relied on outdoor shade and natural cooling to get through.

Chinese Air Conditioners Hit Europe's Exact Pain Point

At precisely this moment, Chinese appliance giant Midea had already developed a product tailored for the European market. It's called the "PortaSplit," a portable split-unit air conditioner. In hindsight, its design seems almost eerily suited to this very heatwave.

The unit requires no wall drilling. The outdoor component simply sits on a windowsill or balcony, venting hot air through a specially designed sealing kit. Users can install it themselves without hiring technicians or damaging any building structure.

Priced at roughly €700 to €800 (about HK$6,100 to 6,960), it undercuts the total cost of a traditional air conditioner plus installation by a wide margin. It also features heat pump technology, doubling as a heater in winter for a genuine year-round solution. One user who tested the unit for over 200 hours reported electricity costs under €30, underscoring its impressive energy efficiency.

Portable split-unit air conditioners require no wall drilling. Users can complete installation themselves using a specially designed sealing kit.

The three obstacles that have long plagued Europeans are the inability to drill walls, unaffordable installation, and heritage building restrictions. A single product design solved all three. This wasn't coincidence. It was the product of sharp market insight paired with genuine R&D capability.

Panic Buying Spirals Out of Control

The inevitable result was a supply shortage. By late June, stock at major German home-improvement chains had run dry across the board. On e-commerce platforms like Amazon, resale prices surged to nearly three times the official retail price. One unit sold for €2,679 (about HK$23,000), and buyers still snapped it up.

Austrian internet user Denis Yurchak, unable to sleep through a week of relentless heat, built his own AI-powered tracking program to monitor stock of this Chinese air conditioner across Europe around the clock. He eventually got an alert that one last unit remained in Linz, roughly 200 kilometres from his home. He drove through the night to secure it. His story quickly went viral online, striking a chord with countless users facing the same struggle.

The chaos also created business opportunities. Adrian Kubel, a programmer in Cologne, built a website called braucheklima.de (German for "I need air conditioning") within just a few days. The site provides a real-time stock map covering over a thousand stores across Germany. Users simply enter their postal code to check nearby availability.

For a one-time fee of about €2.69 (roughly HK$23), users can subscribe to three months of restock alerts, receiving an email notification the moment inventory appears. As of late June, the vast majority of stores on the site's map remained marked red for "sold out."

On a website offering a real-time stock map of over a thousand stores across Germany, most regions remain marked red, indicating sold-out status.

The numbers confirm the scale of this buying frenzy. Midea Group reported that since the heatwave began in late May, sales on German e-commerce platforms rose roughly 37% year-on-year. Shipment volumes to Spain and France surged 108% year-on-year.

Customs data show that air conditioner export values from China to France, the Netherlands, and Belgium all doubled year-on-year in the first five months of this year. Exports of portable units climbed more than 70% year-on-year. Chinese manufacturing is filling Europe's massive domestic supply gap with real, measurable volume.

China's air conditioner exports to multiple European countries have surged, with production lines running at full capacity to fill Europe's massive domestic supply gap.

Tariff Barriers Can't Cool Things Down

Some European politicians were still debating how to impose tariffs on Chinese appliances. Meanwhile their own citizens were already queuing outside supermarkets, paying inflated prices online, and driving hundreds of kilometers overnight, all just to secure a Chinese-made air conditioner.

The heatwave even ignited political debate in France. Far-right National Rally leader Marine Le Pen publicly declared that if she came to power, her top priority would be ensuring hospitals, care homes, and schools are fully equipped with air conditioning. The political correctness once surrounding "environmental priorities" and "energy conservation" quietly collapsed in the face of days of 40-degree heat.

Many European netizens have taken to social media to recommend this Chinese air conditioner, praising it as offering "far better value than any European domestic brand." One user put it bluntly. "I hope the EU doesn't restrict imports for political reasons. Ordinary citizens will be the only ones who suffer."

The market never lies. As Europeans scrambled to buy Chinese-made products just to survive, they delivered the most direct rebuttal yet to "decoupling" rhetoric. It isn't China begging Europe to buy. It's Europe begging China to sell. The European politicians pushing "de-Sinicization" likely never expected this day to arrive quite so soon, or quite so hot.

Mao Paishou

** 博客文章文責自負,不代表本公司立場 **

When the Russia-Ukraine war broke out, energy costs in Germany, a country heavily reliant on Russian natural gas, spun instantly out of control. Electricity prices at one point surged sevenfold, forcing ordinary people to dream up all manner of clever tricks to save on their power bills. One of those tricks has become a distinctive sight on German streets: the "balcony solar" system.

To cut power bills, Germans turned balconies into power plants.

"Balkonkraftwerk": Miracles On Balconies

This simple generating setup costs just a few hundred euros, yet more than 1.33 million units have been installed across Germany in three years. The German government has even amended the law, granting tenants with no rooftop of their own priority installation rights.

What Germans call the "Balkonkraftwerk", or "balcony power plant", is actually just one or two solar panels hung outside the railing, an inverter the size of a shoebox, and a plug that goes into a household socket. The current then flows back into the home: the inverter sets its output voltage slightly higher than the 230V household supply, so solar power feeds in reverse into the wiring. A small storage battery can be added to keep the power coming at night.

The "Balkonkraftwerk": railing-hung panels, a shoebox-sized inverter, one plug.

The principle is not complicated. It works rather like a water supply system. Pipes maintain a steady pressure; turn on the tap and the pressure difference pushes the water out. The grid works the same way. China's standard household voltage is 220V and Germany's is 230V. The inverter in a balcony photovoltaic module simply nudges its output voltage slightly above the socket voltage, pushing solar power back in.

Once the current enters the socket, it is consumed on the spot, "drunk up" by the appliances at home. Less electricity is drawn from the grid, and the meter turns more slowly. If no appliances are running, then in areas where bidirectional metering is permitted, the surplus power flows out of the home along the mains line and back into the grid.

A Few Hundred Euros, Real Money Back

A "balcony power plant" sells for roughly 200 to 500 euros, depending on output. The best-selling 800W model goes for about 350 euros. A solar-plus-storage package with a battery costs between 800 and 1,500 euros.

A granny who lives in Stuttgart finds a 300W system enough to cover her basic needs: lighting, the router and electric fans. She now checks the next day's sunshine forecast every evening. If the sun will be out, she schedules a bike charge or runs the dishwasher. "Save whatever you can," she says.

Granny's 300W system covers her lights, router and fans.

Her nightly ritual: the sunshine forecast. "Save whatever you can."

Weyland, a young man in the northern city of Kiel, hung two panels with a combined output of 600W on the balcony of his rented apartment. In good weather they cover half of his daily electricity use. The whole system cost under 500 euros, yet saves him more than 90 euros a year, a payback period of about five years. These days he spends his time glued to the app, watching the generation figures roll in.

Kiel renter Weyland's two balcony panels total 600W.

In southern Germany, where the sunshine is better, a standard 800W system generates about 750 to 850 kWh a year. At last year's average price of 0.39 euros per kWh, that puts up to 295 to 334 euros a year back in the user's pocket.

For an ordinary household consuming 3,000 kWh a year, saving is about  25 to 28 percent. A single-person household using around 1,500 kWh could ideally save 50 to 57 percent.

No Roof? No Problem

Europe used to put solar panels on rooftops. But more than half of Germany's population lives in rented housing, the highest share in the EU. That means no roof, no land, nowhere to put panels, and no eligibility for the complicated installation and grid-connection approval process.

No roof, no problem: balcony solar is the tenant's lifesaver.

That was when Chinese manufacturers stepped up, Anker Innovations, EcoFlow and Zendure among them. They launched lightweight, low-cost balcony solar kits that skip the tedious paperwork and are far easier to use.

Panels have been slimmed down from the traditional 20kg to just 3 to 5kg. Hook-style railing clamps fix them in place with a few screws. Some models can simply be lashed on with metal cable ties, and they can be taken down easily when moving.

Voltage has dropped from the 600V to 1,000V high-voltage direct current of rooftop solar to a safe 30V to 60V. The plug goes straight into an ordinary socket, and monitoring is done entirely through an app. Installation and use are virtually "zero-threshold". German young people love it. Chinese manufacturers have turned solar "engineering" into a consumer electronics product for everyone.

Berlin Gives the Green Light

The German government has also given the green light. A legislative amendment in May 2024 allows self-installation without prior approval; simple registration afterwards is enough. Balcony solar is now a "privileged installation", on par with disabled-access facilities and EV charging points. Landlords and owners' committees may not block installations on grounds such as "spoiling the view". A landlord who wants to refuse must prove a safety hazard; if the tenant can fix the hazard, the installation goes ahead anyway. The government also waived the 19 percent VAT, and cities including Berlin and Stuttgart have rolled out dedicated subsidies of up to 500 euros. All income from generation is exempt from personal income tax.

With the government "loosening the reins", balcony solar has grown rapidly. Around 260,000 units were added in 2023. The figure soared to 435,000 in 2024, and another 430,000 or so were registered in 2025. That is 1.1 million units installed at lightning speed in three years. By May this year, cumulative installations had reached 1.33 million, the equivalent of more than a thousand German households signing up every day.

Policy green light: install first, register afterwards.

Other European countries have followed suit. The Netherlands had reached 600,000 cumulative installations by the end of 2025, the highest penetration after Germany, with nearly 5 percent of households equipped. Austria has installed 250,000 units, Italy 200,000 and Belgium 150,000.

Made in China, Invisible at Home

Of the solar panels imported into Europe, 98 percent come from China, and 70 percent of micro-inverters are Chinese-supplied. In balcony energy storage, Chinese companies had already secured the first seven places of the top ten best-seller spots in Europe as early as the third quarter of 2024. Industry forecasts see global installed balcony solar capacity exceeding 50 gigawatts by 2030, with China likely to claim more than 40 percent of it.

Yet in China itself, these products are practically invisible in cities. For one thing, electricity in China is genuinely cheap. For another, China follows a "centralized plus distributed" path.

The northwest builds gigawatt-scale centralized solar bases across deserts and the Gobi on a massive scale, using ultra-high-voltage transmission to solve the geographic mismatch. The east develops distributed solar on factory and detached-house rooftops. Rural rooftops easily run to tens or even hundreds of square meters, accommodating 20kW to 50kW systems. That is dozens of times the generating capacity of balcony solar.

With no domestic demand to speak of, Chinese companies have nonetheless struck overseas demand with pinpoint precision and taken command of the global balcony solar market. The same story has played out with saddle-style window air conditioners, fully automatic lawnmowers, electric-assist bicycles and AI game-tracking cameras. To Western politicians, China's technological rise is a threat. But to ordinary people abroad, Chinese products have made life better, time and again.