Fake Air Conditioning Websites: How to Spot Heatwave Scams

Every prolonged hot spell follows the same script. Nights stay above 20°C, cooling searches triple, and within days freshly registered websites appear offering split systems "fully installed from £299" and portable units at half any real retailer's price. UK searches for identifying fake air conditioning websites jumped more than 3,000% during the current heatwave.

We have priced genuine installations for years, and knowing the real numbers is your best defence. Below: the mistakes ranked by consequence, plus the quick checks that expose a fake shop before you type in a card number.

Not every slip is equal. Losing £40 on a phantom desk fan is annoying; transferring £1,800 to a cloned installer is a financial injury.

• •1. Paying by bank transfer. Cleared funds reach the fraudster within hours, and recovery is slower and less certain than any card dispute.
• •2. Handing a deposit to an unverified installer. Fake engineers from social ads or door-knocks take 30-50% up front for a fitting date that never arrives. Typical loss: £400-£900.
• •3. Ordering from an unchecked shop. £350-£600 taken for a unit that never ships, or arrives as a £25 desk fan posted purely to contest a non-delivery claim.
• •4. Trusting reviews on the seller's own pages. Cloned five-star quotes cost a scammer nothing.
• •5. Believing a price 40-60% below every mainstream retailer. Compressors, refrigerant and copper are commodities; nobody honest fits a real 2.5kW split for £299.
• •6. Clicking a sponsored ad instead of typing the retailer's address. Fraudsters buy search ads impersonating known brands, with pixel-perfect cloned checkouts.
• •7. Never scrolling to the footer. UK trading rules require a limited company to show its name, company number and registered office; fakes show a webmail address at best.

These mistakes come from engineered urgency, not stupidity: countdown timers, "only 3 units left in your area", and children or elderly relatives failing to sleep in a 28°C bedroom. Scammers time ad spend to Met Office amber warnings; judgement narrows when the house is unbearable. Worse, only around 5% of British homes have air conditioning, so most buyers have no price anchor. £299 installed only reads as plausible because you have never seen a genuine quote.

Run these before paying, in any order. One failure is a caution; two is a verdict.

The price test needs real anchors. A professionally fitted single-room split system runs £1,500-£3,000 in the UK - see what AC installation really costs - while a decent portable machine is £250-£700; our window air conditioner picks show honest pricing. A site that cannot state cooling output in kW fails the basics of sizing an air conditioner before it fails a fraud check.

• •Company check (1 minute): put the trader's name into the free Companies House search. No number on the site, no match, or a firm incorporated three weeks ago claiming "established 2009" - walk away.
• •Domain age (1 minute): run the address through lookup.icann.org. A "long-established" shop on a domain registered in June is lying.
• •Payment test (30 seconds): card and PayPal carry dispute rights. Bank transfer, cryptocurrency or "payment on invoice" only - that choice is the tell.
• •Photo test (1 minute): reverse image search a product photo. Watermarks and images lifted from American retailers are everywhere.
• •Review cross-check (1 minute): search the trader on Trustpilot yourself. A wall of five-star reviews posted within the same fortnight is a signature, not a coincidence.
• •Phone test (30 seconds): ring the number. None listed, mobile-only, or ringing out in business hours all fail.

The fake-installer version targets older housing stock: Victorian and Edwardian owners know a real installation is complicated, which makes a cheap promise seductive. Genuine quotes for old houses do run higher. Core-drilling a 65mm refrigerant route through 225mm of solid brick is a two-hour job with a diamond rig. Lime plaster over lath will not hold an indoor unit without battens or spreader plates. Condensate needs a fall to a gully, and Victorian clay drainage rarely offers one where you want it. Pre-1970s wiring is the big one: a 2.5-3.5kW split wants its own circuit, and rubber-insulated cable or a rewireable fuse board means a consumer unit upgrade first, typically £500-£1,200.

A real surveyor asks: what are the walls, where is the fuse board, where can condensate run, is the house listed or in a conservation area (a condenser on a front elevation may need consent). A scammer asks none, promises "fits any home, no survey needed", and sells a universal sash-window kit that does not exist - sash openings need a cut board, not zip-up fabric seals made for tilt windows. The pattern matches the wider contractor red flags we have catalogued. Any firm handling refrigerant must hold F-Gas certification: ask for the certificate number and verify it, as you would when checking any tradesperson's credentials.

Most of these scams cost money. A few risk more - stop engaging the moment you see them.

• •The casing visit: a "free survey" from an unverifiable firm may exist purely to eye your locks, alarm and belongings. Never confirm holiday dates or leave a stranger alone in a room.
• •Remote-access refunds: anyone asking you to install AnyDesk or TeamViewer to "process your refund" is after your online banking. Hang up.
• •Recovery scams: pay a fake shop and expect a call weeks later from a "fraud team" offering to retrieve your money for a fee. Your details were sold on; this is round two.
• •Card harvesting: a checkout that declines your card twice before succeeding is collecting the number for later use, even if a cheap unit turns up.

Speed matters most in the first few hours. Work down this list in order.

• •1. Call your bank first: dial 159, the anti-fraud line that routes you to your bank securely, and ask for an immediate recall; minutes matter.
• •2. Card payments: request a chargeback for non-delivery, usually within 120 days. For credit-card purchases of £100-£30,000, cite Section 75 of the Consumer Credit Act - the issuer is jointly liable.
• •3. Bank transfers: ask about reimbursement under the APP fraud rules in force since October 2024; most victims must now be reimbursed.
• •4. Report to Action Fraud on 0300 123 2040 (Police Scotland on 101) and keep the crime reference number.
• •5. Report the site through the NCSC's suspicious-website form; forward scam emails to report@phishing.gov.uk and texts to 7726.
• •6. If someone entered your home or device: change banking passwords from a different device and call Citizens Advice on 0808 223 1133, which alerts Trading Standards.

None of this means sweating through August. Decide portable versus fixed, check the seller, then pay by credit card. For a fitted system, get three quotes from F-Gas-registered firms and compare the estimates line by line: honest numbers cluster within 15%, and the outlier explains itself when you ask what the price includes. A real firm welcomes the question. A fake one has already moved on.