Stop 'Rowing' Your Vacuum and Leaving a Third of Your Pet's Hair Behind – This 90-Degree Cross-Hatch Rule Cleans Every Carpet Fiber

I have the numbers to prove it

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Published In Advice
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Most people vacuum in a similar fashion, 'rowing' the vacuum cleaner in straight, horizontal lines. But when it comes to carpet, this isn't the most effective technique, as the upright carpet fibers aren't being cleaned from every angle.

Instead, you can clean carpets more thoroughly by vacuuming in a 90-degree cross-hatch pattern. It's one of the major learnings I've gathered from testing the best vacuums for pet hair in a cat and dog shelter.

For definitive results, I put it to the test with my Dyson V15 Detect that counts particulate matter. While it may seem like more work, you will pull up a tremendous amount more.

Vacuum in a 90-Degree Cross-Hatch Pattern to Clean More Thoroughly

Whether looped or not, carpet fibers stand upright, and dust, dirt, and hair cling to every side of them. This means that vacuuming forwards and backwards only agitates them from two angles.

Instead, vacuuming in a cross-hatch pattern allows your vacuum's brushroll to agitate every side of each carpet fiber, dislodging what's trapped to allow the suction to pull it up.

I have spent more than 400 hours testing the world's best vacuum cleaners, and a significant portion of that has been spent deep cleaning Bristol ARC, a local cat and dog shelter, finding the most effective ways to pull up as much fur as possible from the low, medium, and thick-pile carpet.

I have learned that this is a simple but highly effective solution that can make even the best vacuums for carpet clean deeper than ever before.

The Results

Closeup of the Dyson V15 Detect cordless vacuum's LED screen showing millions of particles picked up, above blurred-out blue carpet and white walls.

My Dyson vacuum picked up 123 million particles in total; 72 million using the cross-hatch pattern, and 51 million using horizontal lines.

(Image credit: Future / Dan Fauzi)

To find out definitively, I vacuumed two areas of my entryway: One using horizontal lines and the other using the cross-hatch pattern. My entryway has consistent foot traffic along the whole stretch of the floor.

Each area was 4'' by 4'', and I vacuumed each one in ten passes. My Dyson V15 Detect counts individual particles as they're vacuumed, up to the millions, so I was able to accurately compare how much each vacuuming pattern picked up.

The results were clear:

  • Using horizontal lines, the vacuum cleaner picked up 51 million particles.
  • Using the cross-hatch pattern, the vacuum cleaner picked up 72 million particles.

So, vacuuming in horizontal lines means you're missing almost a third of the dust, debris, and hair that is trapped within your carpet fibers. To maximize your carpet cleaning, the cross-hatch pattern at a 90-degree angle is your best solution.

What to Shop

To help clean your carpets as thoroughly as possible, here are a few tried-and-tested tools that our product experts use at home.

All prices were correct at the time of publication.

Next, see which vacuums top our guides of the best Dyson alternatives after our rigorous testing sessions.

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Dan Fauzi
Dan Fauzi
Contributing Writer

Dan is the former Home Tech Editor for Homes & Gardens, where they covered cleaning, sound, smart home, and air treatment across the Solved section. Before joining Homes & Gardens, Dan worked across a range of home, garden, tech, and lifestyle titles, including Top Ten Reviews, BBC Science Focus, YourHomeStyle, and Gardens Illustrated. They have spent more than 400 hours testing and reviewing vacuums, soundbars, and air purifiers. Dan holds a BA in Philosophy and an MA in Magazine Journalism. Outside of work, you'll usually find them at gigs and art galleries, cycling somewhere scenic, or cooking up something good in the kitchen.