Duo Clean. All Shark floorhead comes with their Duo Clean technology and that basically means that they come with two rollers instead of one like one most hoovers. When using it to clean her car, Helen was very impressed with the overall performance, with the vac effectively removing dirt from her car. It did struggle a little more to collect hairs from the carpet, but overall the suction was strong. READ NEXT: The best Shark vacuum cleaners to buy Shark Stratos Anti Hair Wrap Plus Pet Pro IZ400UKT review: What’s it like to use? We have some detailed articles that explain each of these features in detail so if you want more of a long read on each once then links are below. It also comes with Sharks duo clean technology with a soft roller and a brush roller built into the floorhead for seamless cleaning of both hard floor and carpets.

It performed excellently in our at-home tests, and the new detection features go a long way to improve day-to-day vacuuming sessions. I'm a huge fan of the stand system too, even though it comes at an additional price, and would be keen to try out the self-emptying bin system next, which seems like a lifesaver. The only difference between the 3 different models is the capacity of the waste container. Most homes will be fine with either the NZ801 (0.83 litre capacity) or the NZ850 (1.3 litre capacity). For larger homes or if you ‘d rather not empty the waste container very often then take a look at the PZ1000 which has a 1.6 litre waste container. Shark normally have 20 different vacuum cleaners to choose from at any one time and Gtech has 3 so for simplicity Gtech win because sometimes having too much choice can be confusing and if something works really well and cleans your home to a high standard then there may not be any need to look any further than Gtech.

This corded model provides suction power the same as the top-end premium models from both Shark and Dyson but its an awful lot cheaper. In their bid for constant improvement they have also introduced “powerfins” which are plastic fins that scoop up dirt form deep within carpets and across hard floors for Sharks best ever cleaning performance. Flexology means your vacuum can be pivoted under furniture using an elbow hinge at the centre of the tube. It saves you from bending and reaching, but it's only available on cordless vacuums.

All 3 of Gtech’s vacuum cleaners are cordless with no cables attached and run off a battery that you can expect about 40 minutes of life from on one charge. No high tech and no digital displays and no attachments that morph it into an alien. It cleans floors really well and its really easy to use.Anti Hair Wrapoffers a self-cleaning brush roll thanks to an in-built comb. This removes pet and human hair before it gets the chance to get tangled.

So if you have pets or it’s going to be used very frequently then it might be worth considering the upgrade. One full battery will give you 15-20 minutes of use and it’s not hard on the wrists either weighing just 1.5kg This is in addition to already well established features such as flexology which is a “bendy” central column to make it easier to get under low areas without bending down, duo clean for both carpet and hard floors in one seamless roller and anti hair wrap to ensure you never have to do that horrible job of cutting out the hair that always wraps around the roller. Some of the best value for money within vacuum cleaners as a whole is in corded as they provide the same power as equivalent cordless models but there is no expensive battery to pay for and you can also vacuum for as long as you want because it’s plugged into the wall so the battery will never run out.

This range has Sharks best ever suction for this type of cordless hoover with 50% more power than the previous IZ201 and IZ250 range.