A window vacuum (window vac) is a cordless handheld that sucks dirty water and condensation off glass after you spray and wipe, aiming for a streak-free finish on windows, mirrors and tiles.
Prices checked on Amazon UK, 27 October 2026.
A window vacuum (window vac) is a cordless handheld that sucks dirty water and condensation off glass after you spray and wipe, aiming for a streak-free finish on windows, mirrors and tiles. Winter condensation on cold UK panes is a common reason people buy one. This guide compares cordless window vacs on Amazon UK using runtime, tank size and kit claims from each listing. Spray, wipe, then vacuum; empty the dirty-water tank after use. We found 8 window vacuums in stock on Amazon UK with a live buy-box price when we checked on 27 October 2026. Our overall pick is the Kärcher WV 2 Plus Window Vac at £49.98, the budget pick is the Swan x Lynsey Window Vacuum at £22.89, and our pick 100-minute runtime is the Kärcher WV 6 Plus Window Vac at £79.99. Prices and stock change often, so check both on Amazon before you buy.
Quick comparison
| Product | Price | Best for | Runtime (listing) | Tank | Nozzle / blade | Kit extras | Cordless |
|---|---|---|---|---|---|---|---|
| Kärcher WV 2 Plus Window Vac | £49.98 | Overall mid kit | 35 min | – | 280 mm | Spray bottle + concentrate | Yes |
| Swan x Lynsey Window Vacuum | £22.89 | Lowest price | 35 min | 100 ml | – | Spray + cloth holder; extension pole (title) | Yes |
| Kärcher WV 6 Plus Window Vac | £79.99 | 100-minute runtime | 100 min | – | 280 mm | Spray bottle + concentrate | Yes |
| Tower Cordless Window Vac Rose Gold | £23.00 | Tower 150 ml | 30 min | 150 ml | Silicone squeegee | – | Yes |
| Beldray Cordless Window Vac | £24.99 | Beldray compact | 30 min | 60 ml | – | – | Yes |
| CubeTECH CTWV2 Window Vacuum | £25.45 | Dual nozzles | – | Large (listing) | 28 cm + 17 cm | Spray bottle + cloth | Yes |
| EAVE Window Vac Set | £29.99 | EAVE 45 min set | 45 min | 200 ml | 28 cm | Cloths + blades | Yes |
| Bosch GlassVAC Window Vac | £62.99 | Bosch GlassVAC | 30 min | – | Bosch blade (listing) | – | Yes |
Specs from each Amazon UK listing (– = not stated on the listing); prices checked on Amazon UK on 27 October 2026.
Our picks
Kärcher WV 2 Plus Window Vac
Kärcher WV 2 Plus Window Vac
£49.98
Best overall
Swan x Lynsey Window Vacuum
Swan x Lynsey Window Vacuum
£22.89
Best budget
Kärcher WV 6 Plus Window Vac
Kärcher WV 6 Plus Window Vac
£79.99
Best for families
How we pick
We shortlist vacuums sold on Amazon UK using capacity, features, customer ratings and price band. We do not lab-test every model unless a page says so. The Amazon page is the live price. How we recommend.
Compare at a glance
| Product | Last Amazon price | Buy |
|---|---|---|
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£49.98
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£22.89
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£79.99
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£23.00
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£24.99
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£25.45
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£29.99
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£62.99
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The vacuums
Buying advice
Our top picks
Best overall: Kärcher WV 2 Plus Window Vac (£49.98). Kärcher WV 2 Plus cordless window vac. Listing states about 35 minutes runtime, 280 mm suction nozzle, LED battery display, and includes a spray bottle with microfibre cloth plus 20 ml window cleaner concentrate.
Best budget: Swan x Lynsey Window Vacuum (£22.89). The cheapest pick here. Swan x Lynsey cordless window vac with extension pole wording on the title; listing states up to 35 minutes runtime and a 100 ml dirty water tank, plus spray bottle with cloth holder.
Best long runtime: Kärcher WV 6 Plus Window Vac (£79.99). Kärcher WV 6 Plus with extra-long runtime on the listing — about 100 minutes — plus LED battery indicator, 280 mm nozzle, spray bottle with microfibre cloth and 20 ml concentrate. Suits larger homes on one charge.
Other window vacs worth a look
Tower Cordless Window Vac Rose Gold (£23.00). Tower T131001BLG cordless window vac. Listing states 20W motor, up to 30 minutes use, 150 ml water tank, and multi-surface use on windows, mirrors, showers and tiles.
Beldray Cordless Window Vac (£24.99). Beldray cordless condensation window vac. Listing states up to 30 minutes use and a 60 ml water tank for streak-free cleaning on windows and mirrors.
CubeTECH CTWV2 Window Vacuum (£25.45). CubeTECH CTWV2 window vacuum. Listing highlights dual 28 cm and 17 cm nozzles, a precision spray bottle with microfibre cloth, and cordless lithium battery use for condensation and glass.
EAVE Window Vac Set (£29.99). EAVE handheld window vac set. Listing states about 45 minutes operating time, 200 ml water tank, 28 cm blade, and includes microfibre cloths and blades in the set.
Bosch GlassVAC Window Vac (£62.99). Bosch Cordless GlassVAC. Listing states about 30 minutes runtime, LED battery display, compact handling, and Bosch wiper-blade technology wording for streak-free glass.
How to use a window vac
Spray the glass with a suitable cleaner, wipe to loosen dirt, then vacuum the wet residue into the dirty-water tank. Empty the tank when full and after you finish.
Work in overlapping strokes from top to bottom. Wipe the rubber blade if streaks appear.
Condensation in winter
Cold panes collect moisture. A window vac lifts water into the tank instead of soaking towels. It does not replace ventilation or dealing with damp causes.
Keep the vac charged before cold mornings when condensation is heaviest.
What to look for in a window vacuum
Runtime that covers your typical number of panes on one charge.
Dirty-water tank size so you empty less often on large jobs.
Blade or nozzle width for big glass versus edges and corners.
Whether a spray bottle and cloth are included.
Weight and balance for overhead mirror or shower work.
Spare blades if you clean often.
How we chose these picks
We only included products that were in stock on Amazon UK with a single live buy-box price in pounds when we checked on 27 October 2026, read with a UK delivery address. We skipped listings showing low stock, no stock line or unclear details, and we avoided repeating products already featured in our other guides. Specs in the comparison table come from each product's Amazon UK listing, and a dash means the listing does not state that detail. Descriptions are based on what each listing says; we have not tested these products ourselves, and we have not used star ratings or review counts.
Prices were checked on Amazon UK on 27 October 2026 and can change at any time. Check the current price, details and delivery date on Amazon before you order.
Frequently asked questions
Are window vacuums worth it?
They can be if you regularly clear condensation or clean a lot of glass. A cordless vac speeds the dry-off step versus towels alone. Whether it is worth the price depends on how often you would use it through winter.
What are window vacuums?
A window vacuum is a handheld cordless cleaner with a rubber blade and suction that pulls dirty water into a small tank. You still spray and wipe first; the vac removes the wet residue for a clearer finish.
Do window vacuums work?
Yes on smooth glass, mirrors and many tiles when used after spraying and wiping. Results depend on a clean blade and emptying the tank. They are not a substitute for washing very dirty frames or sealed-unit repairs.
How does a window vacuum work?
After you wet and wipe the glass, the vac’s blade gathers water while the motor sucks it into a dirty-water tank. Empty the tank, wipe the blade, and recharge as the listing describes.
