We judge how comfortable each window vac is to hold and empty. We also do this wearing Cambridge Simulation Gloves – a piece of kit that helps replicate the experience of users who suffer with limited hand movement. We deliver to most Home Hardware Stores. Please view our store locator to find your local Home Hardware store. Larger items over 30kg can only be delivered Monday to Friday. Please allow up to two working days for these deliveries. We select top-selling window vacs from leading UK retailers and put them through a string of tough tests to find out which are the best.

Log in now or join Which? to see our full results and find out if any Karcher window vacs are good enough to earn our Best Buy recommendation. Please note some larger products are delivered to kerb-side (the street outside your home), it is at the drivers discretion if they can deliver the item to another location on the property. Please note that during particularly busy periods, it may take a little longer to receive your delivery and our carrier may attempt to deliver to you on a Saturday. Faster Delivery Larger items over 30kg can only be delivered Monday to Friday. Please allow up to two working days for these deliveries. Saturday DeliveryWorking days are defined as Monday-Friday 8am-7pm inclusive, excluding Saturday, Sunday and Public Holidays.