German consumer group exposes Epicooler air conditioner as a PC fan with heating element

The Epicooler device marketed as an air conditioner was dismantled by Germany’s Stiftung Warentest. Inside they found only a standard PC fan and a small heating coil. No compressor, condenser, or refrigerant circuit was present. This explains why the unit failed to lower room temperature in tests. The absence of core cooling components makes the device incapable of actual air conditioning.

The product’s low weight, under 3 kg, contrasts sharply with genuine air conditioners, which typically weigh over 10 kg for the indoor unit alone. A sticker on the Epicooler even labeled it a 'Wall Mounted Heater.' When operated in heating mode, the device became dangerously hot. Stiftung Warentest had to switch it off to avoid overheating. This raises safety concerns beyond mere ineffectiveness.

Epicooler sells the device for around €163, far below the cost of real air conditioners. Stiftung Warentest noted that high-quality fans cost half as much. The product is shipped directly from China, even when local stock is advertised. This shipping method may help the company evade local consumer protection laws. The operation appears designed to dissolve and rebrand quickly if regulators intervene.

The device is promoted through AI-generated videos and social media ads, targeting consumers during heatwaves. Its appearance mimics real air conditioners, misleading buyers. Stiftung Warentest’s exposure highlights the risks of unverified online purchases. Engineers should be cautious of hardware that promises performance without the expected components or weight. Regulatory oversight remains weak for direct-from-China sales.