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Fake Portable Air Conditioner Ads Banned by UK Watchdog
FinanceBBC Businessยท July 10, 2026(11d ago)

Fake Portable Air Conditioner Ads Banned by UK Watchdog

The UK's Advertising Standards Authority has cracked down on portable air conditioner ads that exaggerated cooling performance. Consumers were reportedly misled by claims that small devices could chill an entire room in under two minutes.

The UK's Advertising Standards Authority (ASA) has ruled that a wave of online adverts for portable air conditioner devices were misleading consumers. Several brands promoted small, often USB-powered gadgets with claims that they could cool down an entire room in as little as 90 seconds.

## What the ASA Found

Investigators concluded that the promises made in these adverts were too good to be true. Many of the devices being marketed are evaporative coolers or personal fans, which work by passing air over a wet surface or simply circulating warm air. Neither technology is capable of dropping room temperatures within minutes, especially during a heatwave.

## Why the Claims Were Misleading

True air conditioners use refrigerants and compressors to extract heat from the air, a process that takes time and significant energy. The gadgets in question simply cannot replicate that mechanism. The ASA determined that the adverts created unrealistic expectations and exploited consumer demand for quick relief during hot weather.

## Impact on Online Shoppers

These products are heavily advertised on social media platforms and marketplace websites, where short, attention-grabbing videos make bold claims. Many buyers reportedly found that the devices produced little more than a light breeze, even after hours of operation.

## How to Spot Legitimate Cooling Devices

Experts recommend checking wattage, BTU ratings, and independent reviews before purchasing any portable air conditioner. Devices priced significantly lower than established brands, or those promising instant whole-room cooling, should be treated with caution.

## What's Next for Advertisers

The ruling forces the offending brands to remove or amend their adverts. The ASA has signaled that it will continue to scrutinise exaggerated claims in the cooling appliance category, particularly as demand surges during warmer months.