
SEBO
AIRBELT E3 Premium
Ultra-durable, 10-year warranty, but expensive with short cord.

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The shark powerdetect is awful. Worst vacuum I ever owned. I returned it to Target after 2 weeks.
The "Powerdetect" feature is annoying and just a gimmick. It's supposed to adjust the power based on the type of floor, amount of dirt, etc. It takes time for it to adjust, so you find yourself stopping to let the vacuum think as it does it's adjustment. You can override it with a button, but it's a touch-sensitive button, not a physical button, so you end up hitting it by accident all the time. And the fact they say it uses AI is just stupid. Also, to be super nitpicky, they made the cord out of a new material that does NOT ever straighten. I don't know what it is, but it's weird. I returned it and got the Stratos model that we had before, and it's so much better. No "smart" features. You can control the suction power via a physical slider, and it just seems like a better built machine. The last Stratos we had lasted us a good 5-6 years, and that's with 5 cats and 2 dogs. We beat the hell out of our vacuums here. :)
Shark Powerdetect with TruePet upgrade is on sale right now ($664 worth total with the additional pet specific accessories). It is normally $599.99, and the current sale price is $399.99. You can sign up for their mailing/email list, and get a coupon for an additional discount (usually 10%-15% off). You can also find various internet coupons from places like RetailMeNot for 10-20% off. This is a steal for this vacuum. It tackles both human and pet hair like no other, and hair does not get tangled in the rollers. https://www.sharkninja.com/shark-powerdetect-upright-vacuum-with-truepet-upgrade/AZ407UPG1.html
Shark ZD550! It’s the best one of three we have gotten yet and we’ve had our Shepard for about five years now. It doesn’t get hair caught in the fins, has great suction and oder neutralizing for the filter.
i love the shark lift away vacuums, i use the powerdetect one.
Shark detect and clean with the empty. It’s amazing - genuinely. I went from a Dyson cordless v10 to a shark cabled. I got so annoyed with the cable. It is worth the investment.
Shark liftaways are the best combo of cheap/powerful. I have the corded vertex (called the power detect now), but i think a lighter slightly less powerful one is the navigator.

SEBO
AIRBELT E3 Premium
Ultra-durable, 10-year warranty, but expensive with short cord.

Numatic International
Henry Canister Series
Budget king, super durable, but heavy and poor on carpets.

SEBO
AIRBELT D4 Premium
Durable, powerful, long cord, but heavy and pricey.

SEBO
FELIX Premium
Durable, powerful, good for allergies, but heavy with awkward attachments.

Miele
Classic C1 Cat & Dog PowerLine
Durable, powerful, quiet, but very expensive, short cord.

Ranked #1
SEBO - AIRBELT E3 Premium

Ranked #1
SEBO - AIRBELT E3 Premium

Ranked #1
SEBO - AIRBELT E3 Premium

Ranked #1
SEBO - AIRBELT E3 Premium

Ranked #1
Numatic International - Henry Canister Series

Ranked #1
Dyson - V15 Detect Series