Home Depot stocks over 30 cordless vacuums from 12 brands. Walk into any store and you’ll see wall after wall of Dyson, Shark, LG, Tineco, Hoover, Bissell, and Ryobi. The prices range from $99 to $899. The specs look similar on paper. But after testing 8 of their most popular models across three months of real home use, I can tell you this: most of them disappoint in at least one major way. Battery life claims are inflated by 30-50% in almost every case. Suction power drops after the first 30 seconds on high. And the “pet hair” models often clog worse than the standard versions.

I bought every vacuum myself. No review units. No brand relationships. Just me, my 1,200-square-foot apartment with hardwood, tile, and two area rugs, plus a friend’s house with wall-to-wall carpet and a golden retriever. Here’s what matters and what doesn’t when you’re standing in that Home Depot aisle.

Battery Life: The Biggest Lie on the Box

Every cordless vacuum at Home Depot advertises a run time. Usually 40 or 60 minutes. Those numbers are measured on the lowest suction setting with no motorized brush running. In real use — medium suction with the floor head attached — you get roughly half that.

I timed every vacuum on its standard cleaning mode with the motorized brush engaged. Here’s the real data:

The LG CordZero A9 is the only model that ships with two batteries in the box. That’s the real advantage — you swap and keep going. Every other model requires a separate $80-150 purchase for a second battery. If you have more than 1,000 square feet of hard flooring, dual-battery systems are not optional. They’re mandatory.

Why battery life drops so fast

Lithium-ion cells degrade from day one. After 50 charge cycles, expect 15-20% less run time. After 100 cycles, you’re looking at 30% loss. Home Depot does not sell replacement batteries for every model in-store. The Dyson V15 battery? Online only, $149. The Shark Vertex battery? Not available separately at all — you send the whole unit in for service. Check battery availability before you buy, not after.

Suction Power: The Dyson V15 Detect Is the Clear Winner, But You Pay for It

I tested suction using a simple method: how many seconds to pick up 100 grams of rice from a low-pile carpet. The Dyson V15 Detect did it in 4 seconds. The LG CordZero A9 took 7 seconds. The Shark Vertex Pro took 9. The Tineco Pure One S15 took 11. The Hoover ONEPWR took 14.

The Dyson V15 hits 230 air watts on max mode. That’s more than some corded canister vacuums. The LCD screen shows you particle counts in real time — a gimmick at first, but genuinely useful for spotting areas you missed. The laser on the fluffy roller head illuminates fine dust on hard floors that you cannot see with normal light. That feature alone made me vacuum corners I’d been skipping for years.

But the Dyson V15 costs $749 at Home Depot. That’s more than a good corded vacuum plus a cheap cordless stick combined. Is it worth it? For one-vacuum households with mixed flooring and pets, yes. For anyone on a tighter budget, the LG CordZero A9 at $499 gives you 80% of the cleaning performance with swappable batteries and a better wall-mount storage solution.

The dirtiest secret about max mode

Every cordless vacuum I tested runs max mode for less than 12 minutes. The Dyson V15 lasts 9 minutes. The Shark Vertex lasts 11. That’s enough for one room. Maybe two if you’re fast. You cannot clean an entire house on max mode with any cordless vacuum sold at Home Depot. Plan your cleaning route: start with the dirtiest areas on max, then finish the rest on standard mode. That’s the only way to get through a whole house on one charge.

Filtration: Why Most Cordless Vacuums Make Your Air Worse

Here’s something the sales floor won’t tell you. Most cordless vacuums at Home Depot use washable foam filters that trap large particles but let fine dust pass through. The exhaust air from a Shark or Hoover often smells like hot dust and contains measurable particulate matter. I tested this with a particle counter held 12 inches from the exhaust vent.

The Dyson V15 Detect and the LG CordZero A9 both use sealed HEPA filtration systems. The Dyson traps 99.97% of particles down to 0.3 microns. The LG does 99.9% at the same spec. The Shark Vertex Pro claims “HEPA” but the filter housing is not fully sealed — I measured a 15% increase in fine particles in the room after 10 minutes of vacuuming with it. The Hoover ONEPWR doesn’t even claim HEPA. It uses a washable foam filter that catches visible dust but nothing finer.

If you have allergies, asthma, or pets, do not buy any cordless vacuum without a sealed HEPA system. That rules out most models under $300 at Home Depot. The cheapest sealed HEPA cordless vacuum I found there is the Tineco Pure One S15 at $349. It’s not as powerful as the Dyson, but the filtration is legit.

Filter maintenance you can’t skip

Washable filters need cleaning every 2-4 weeks depending on use. Set a calendar reminder. A clogged filter kills suction faster than a dying battery. The Dyson V15 has a two-stage filter system — pre-filter and HEPA post-filter. Both are washable. The LG CordZero A9 has a single washable HEPA filter. The Shark Vertex has a foam pre-filter and a felt HEPA post-filter. The felt filter cannot be washed — you replace it every 6 months at $25 a pop. Factor that into your cost of ownership.

Floor Head Design: The Shark Vertex Pro Has the Best Anti-Tangle, the Dyson Has the Best Edge Cleaning

Two problems plague every cordless vacuum owner: hair wrapping around the brush roll, and missing dust along baseboards. I tested both on a 6-foot section of carpet with 50 strands of 18-inch human hair scattered across it.

The Shark Vertex Pro’s self-cleaning brush roll ate through all 50 strands without a single wrap. The hair passed through the brush chamber and into the dust cup. Zero maintenance required. That’s the best anti-tangle system I’ve ever used. The Dyson V15’s torque drive brush roll wrapped 12 strands around the ends — took 90 seconds to cut them off with scissors. The LG CordZero A9 wrapped 8 strands. The Tineco Pure One S15 wrapped 15. The Hoover ONEPWR wrapped 22 and actually stopped spinning twice.

For edge cleaning, the Dyson V15 wins by a mile. Its brush roll extends to within 2mm of the edge on both sides. I tested it against a baseboard with a line of flour — the Dyson picked up 95% of it in one pass. The Shark Vertex left a 1-inch strip. The LG CordZero left a 1.5-inch strip. The Tineco and Hoover left 2-inch strips. If you have baseboards you care about, the Dyson is the only option.

When to buy a dedicated hard floor head

Every cordless vacuum at Home Depot ships with a combination floor head that works on carpet and hard floors. None of them are great on hard floors. The soft roller head for the Dyson V15 ($49 separately) is a massive upgrade — it polishes hard floors while vacuuming. The LG CordZero A9 has a dedicated hard floor head in the box that’s nearly as good. The Shark, Tineco, and Hoover all use the same felt-and-bristle combination head that scatters debris on tile and hardwood. If you have mostly hard floors, buy the LG CordZero A9 or budget for the Dyson’s soft roller.

Storage and Ergonomics: LG CordZero A9 Has the Best Wall Mount, Dyson the Worst

The Dyson V15 comes with a wall dock that holds the vacuum and two accessories. The wand clicks into the dock vertically. It looks clean, but you have to lift the entire vacuum up and align it perfectly to dock. Miss the alignment and it falls off. I’ve knocked mine off the wall four times. The dock also requires drilling into studs — no drywall anchors provided.

The LG CordZero A9’s wall mount is a metal bracket that holds the vacuum, two batteries, and four accessories. Everything clicks into place magnetically. The vacuum slides down onto the bracket — no precision alignment needed. The batteries charge on the mount. It’s the best storage solution of any cordless vacuum I’ve seen. The mount comes with drywall anchors and a leveling guide. Installation took 12 minutes.

The Shark Vertex Pro’s freestanding dock takes up 18 inches by 14 inches of floor space. It holds the vacuum and two accessories but not a spare battery. The vacuum tips over if you bump it. The Tineco Pure One S15 has a wall mount that’s nearly as good as the LG’s but only holds two accessories. The Hoover ONEPWR has no wall mount — it stands on its own base and takes up 2 square feet of closet space.

Weight and maneuverability matter more than you think

The Dyson V15 weighs 6.8 pounds. The LG CordZero A9 weighs 5.7 pounds. The Shark Vertex Pro weighs 7.2 pounds. The Tineco Pure One S15 weighs 5.9 pounds. The Hoover ONEPWR weighs 8.1 pounds. That extra 2.4 pounds on the Hoover doesn’t sound like much until you’re holding it at arm’s length to vacuum under a sofa. The LG and Tineco are noticeably easier to handle in tight spaces. The Dyson feels well-balanced — the battery at the bottom counterweights the motor at the top. The Shark feels top-heavy. The Hoover feels like a brick on a stick.

Test the weight in the store. Hold the vacuum at arm’s length for 30 seconds. If your forearm starts burning, it’ll be unbearable after 15 minutes of actual cleaning.

Which Cordless Vacuum at Home Depot Should You Actually Buy?

After three months of testing, here’s my honest breakdown by situation.

For mixed flooring with pets and allergies: LG CordZero A9 Kompressor ($499). Two batteries in the box, sealed HEPA filtration, excellent hard floor head, best wall mount, and the Kompressor lever compresses dirt to triple dust cup capacity. The only downside is edge cleaning — you’ll need to go back along baseboards with the crevice tool. But at this price, it’s the best value in the store.

For carpet-heavy homes with long hair: Shark Vertex Pro IZ662H ($449). The self-cleaning brush roll is genuinely zero-maintenance. The suction is adequate, not great. The battery life is mediocre — plan for 28 minutes of real cleaning. But you will never cut hair off a brush roll again. That alone justifies the price for households with multiple long-haired people.

For maximum cleaning power and edge-to-edge coverage: Dyson V15 Detect ($749). It’s expensive. The battery life on max is laughably short. The wall mount is frustrating. But nothing else at Home Depot cleans as well. If you have the budget and want the best, this is it. Buy a second battery ($149) and the soft roller head ($49) and you’re set for years.

For small apartments under 800 square feet: Tineco Pure One S15 ($349). Lightweight, sealed HEPA, decent suction, and the auto-adjust suction feature actually works — it ramps up power when it detects more dirt. The battery lasts 22 minutes, which is enough for a small space. Skip the Hoover and the Bissell at this price point — they’re heavier, filter worse, and have shorter real-world run times.

Do not buy: Any cordless vacuum at Home Depot under $200. The cheap models from Bissell, Hoover, and Black+Decker use older battery tech, non-HEPA filters, and brush rolls that clog constantly. You will replace them within a year. The $99 Hoover ONEPWR I tested lost 40% of its suction after three months. The $149 Bissell Pet Hair Eraser stopped picking up pet hair from carpet after six weeks — the brush roll bristles flattened permanently. Spend $350 minimum or buy a corded vacuum instead.