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Cleaning review

Dyson V15 Detect Review: Brilliant on Hard Floors, Beaten by Deep Carpet

One lab measured 99 percent pickup on hardwood and 49 percent on high-pile carpet with the same machine. Which of those numbers matters depends entirely on your floors.

By Paulo GerchonPublished 2 min read

Placeholder graphic, not a product photo

Illustration, not a photo — we don’t have a licensed image of this product yet.

7.3/10

Dyson

Dyson V15 Detect

Good · researched from 5 sources

On hard floors and low-pile carpet it is as good as cordless vacuums get, and the laser is not a gimmick. On deep carpet one lab measured it clearing under half the debris, so if your home is mostly thick rugs this is the wrong expensive vacuum.

Buy if
Homes that are mostly hard floors, tile or low-pile carpet · Pet owners, where all three sources rated it well · Anyone who wants to see the dust rather than trust the machine
Skip if
Homes dominated by thick high-pile carpet · Anyone who finds holding a trigger for twenty minutes uncomfortable · People who want to empty a bin once and be done

The number that decides this purchase

TechGearLab ran the same vacuum across three surfaces and got 99 percent pickup on hardwood, 94 percent on low-pile carpet and 49 percent on high-pile.

That is not a small spread. It is the difference between the best cordless machine in their group and one that leaves half the debris behind, and the only variable is what is on your floor.

VacuumWars reached a more flattering conclusion, scoring its carpet deep clean a perfect 100 on their scale. Both labs are credible and they load the carpet test differently, which is exactly why a single headline score is less useful than knowing which surface it was measured on.

If your home is hard floors, tile or thin carpet, this is close to as good as cordless gets. If it is deep pile throughout, spend the money somewhere else.

The laser is the surprise

Feature lights on vacuums are usually marketing. This one is not, and the unanimity across the reviews is what makes that convincing.

A green laser sits at a low angle on the hard-floor head and throws long shadows off particles that are invisible under normal light. Bob Vila's reaction after two weeks was to describe being stunned and slightly embarrassed at how much dust was there on floors that looked clean.

It only works on hard floors, and it only works in reasonably low light. Within those limits everyone who tried it kept it on.

Where it gets tiring

TechGearLab scored ease of use 7.1, their second lowest category for the machine, and the reasons are physical rather than technical.

The trigger has to be held down for the entire time you are vacuuming. On a ten minute tidy that is nothing. On a whole house it becomes the thing you notice.

Then there is the suction working against you. Both TechGearLab and VacuumWars found it hard to push across carpet at full power, because a well-sealed head pulling hard is also a head gripping the floor. Dropping a mode fixes it and costs some pickup.

And Bob Vila emptied the 0.76 litre bin three or four times getting round one house. It does not stand up on its own either, so it lives leaning against something between rooms.

What nobody disputes

Filtration. The system is sealed HEPA and TechGearLab rated the resulting air quality excellent. For an allergy household that is the second reason to buy it, after the hard floor result.

Pet hair came in at 74 percent in TechGearLab's test, which was good enough for them to keep it in third place out of twenty-one machines and hand it an Editors' Choice despite the price and the trigger.

How it scored

The overall 7.3 is the weighted average of these five criteria — we never adjust it by hand.

Cleaning performance

25% of score8.0

TechGearLab measured 99 percent on hardwood and 94 percent on low-pile carpet, then only 49 percent on high-pile. VacuumWars scored its carpet deep clean a perfect 100 on their own scale.

Value

25% of score6.0

Every source raises the price. TechGearLab still ranked it third of twenty-one and gave it an Editors' Choice, so the performance is real, just expensive.

Build quality

17% of score8.0

No durability failures reported across the three reviews. Bob Vila's practical complaint is that it will not stand up on its own and has to lean somewhere.

Ease of use

17% of score6.0

TechGearLab scored ease of use 7.1 and flagged trigger fatigue from having to hold it on. Both they and VacuumWars found it hard to push on carpet at full power.

Filtration and dust detection

17% of score8.5

Sealed HEPA filtration, and the green laser head convinced every reviewer. Bob Vila described being embarrassed by how much dust it revealed.

Pros and cons

What we liked

  • TechGearLab measured 99 percent debris pickup on hardwood, the best in their group
  • The laser head genuinely shows dust you cannot otherwise see, which all three sources confirmed
  • Sealed HEPA filtration that TechGearLab rated excellent for air quality
  • Ranked third of twenty-one cordless vacuums by TechGearLab, with an Editors' Choice

What we didn’t

  • TechGearLab measured only 49 percent pickup on high-pile carpet
  • The trigger must be held down the whole time, which TechGearLab found tiring
  • Suction is strong enough that both TechGearLab and VacuumWars found it hard to push on carpet
  • Bob Vila emptied the small bin three or four times cleaning one house
  • It will not stand up on its own
  • Runtime claims and measurements vary widely across sources

Specifications

Specifications
Suction2,239 Pa measured by TechGearLab; 240 AW quoted by Dyson per VacuumWars
Runtime64 min low and 9 min max per TechGearLab; about 35 min on Auto per Bob Vila; 60 to 68 min claimed
Pickup, hardwood99 percent per TechGearLab
Pickup, low-pile carpet94 percent per TechGearLab
Pickup, high-pile carpet49 percent per TechGearLab
Pet hair74 percent per TechGearLab
Weight6.8 lb as a stick, 4.5 lb as a handheld
Bin capacity0.76 L per VacuumWars
Noise76 dB per VacuumWars, 79 dB per TechGearLab
FiltrationSealed HEPA

How we researched this

We have not had this unit on the bench. This review synthesises the manufacturer’s published specifications, independent measurements and owner reports listed below. Every figure on this page comes from one of those sources rather than our own measurement.

5

sources reviewed

TechGearLab and VacuumWars both run standardised debris tests and supply the pickup percentages, suction figures and noise readings, which is where the useful disagreement lives: their carpet results point in different directions because they load the test differently. Bob Vila contributed two weeks of ordinary use in a house with five pets, which is where the bin-emptying and runtime observations come from. Consumer Reports has also tested this vacuum but their review is behind a membership wall, so we have not cited results we could not read. Where the sources give different runtimes we report the mode each was measured in rather than averaging them.

Our full testing policy

Common questions

How well does the Dyson V15 Detect actually clean carpet?
It depends entirely on the pile, and this is the most important thing to know before buying. TechGearLab measured 94 percent pickup on low-pile carpet and only 49 percent on high-pile, scoring carpet performance 7.4 against hardwood at 9.0. VacuumWars, using their own scale, gave its carpet deep clean a perfect 100. Those results are less contradictory than they look, because deep-pile testing punishes any cordless machine, but if your home is thick carpet you should weight the 49 percent heavily.
What is the real battery life?
The sources spread widely and the reason is which mode was used. TechGearLab measured 64 minutes on the low setting and 9 minutes at maximum. Bob Vila got about 35 minutes on Auto in a real house. Dyson's own claim is 60 to 68 minutes depending on the source quoting it. The honest read is that the headline figure is the low-power figure and Auto roughly halves it.
Is the laser head a gimmick?
Apparently not. This is the one feature all three reviews independently praised. Bob Vila described being stunned and embarrassed by how much dust it revealed on floors that looked clean, and both other sources call it genuinely useful rather than a novelty. It works on hard floors, where a low-angle green light throws shadows from particles too small to see.
Why is it hard to push on carpet?
Because the suction is working. VacuumWars notes it can be very hard to push on carpet at maximum power with the head's gates closed, and TechGearLab reached the same conclusion. This is a common trade on high-suction cordless heads. Dropping to a lower mode fixes it and costs you some pickup.
How often will I empty the bin?
More than you would like. VacuumWars puts the bin at 0.76 litres, and Bob Vila reported emptying it three or four times while cleaning a single large house. Neither treats this as a dealbreaker, but it is the practical cost of a stick vacuum over a full-size machine.
7.3/10
Good

The bottom line on the Dyson V15 Detect

On hard floors and low-pile carpet it is as good as cordless vacuums get, and the laser is not a gimmick. On deep carpet one lab measured it clearing under half the debris, so if your home is mostly thick rugs this is the wrong expensive vacuum.

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