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

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Bissell wind tunnel for pet hair is amazing and ugly. I also have a Miehle with a bag. My problem with the Bissell it is large and ugly and Bissell just always troubleshoots it and fixes it for free so how can I throw it out? Miehle bagged is better in wood floors, Bissell wind better on carpets. I do like bags better with pet hair for keeping the air cleaner. Also my Roomba from 2017 also won’t stop working so I can throw it out. Its capacity is such it needs frequent emptying.
Heny hoovers are terrible in my experience. Ive used them at work and they're nothing special at all. I have that shark vacuum at home (have a pet and partner that both molt a lot as well) and its incredible. I did a vacuum downstairs in just the living room and I was surprised by the fact it was nearly full already.... That last bit may sound bad as it may sound like its got a small capacity for stuff (idk what its called. On a old vacuum it would be called the bag?), but i previously had an actual hoover that sucked ass. And would struggle to pick anything up. It sucks up so much rubbish its great. I know i sound like im sponsored by them, but I was very frustrated for ages on having such a terrible vacuum. I even tried my mums shark one that was terrible. It was old and sounded like a jet engine and cordless. But she told me to get the one I currently have now (the one in the photo above) as she recently got it as well. Best decision i ever made. I nearly bought a Dyson, but im glad I didnt. Its definitely worth spending a little more in my opinion on something like this. Worth it in the long run
Hoover smartwash pet complete. The best carpet cleaner I've ever owned. You can buy refurbished from BestBuy.
We use our cordless vacuum just for the hardwood floors and tiles. We used a bagged, corded vacuum to clean area rugs. If I run the Dyson stick over the rugs, I can run the 12 amp Hoover after and still suck up a bunch of dog fur the Dyson missed.
KPA is a marketing term to boost sales of inferior machines. CFM, water lift (sealed suction) and watts are the terms that differentiate models for comparison. At $250, these factors will mean less as you aren't likely to find a sealed suction machine. Options from Eureka Mighty Mite, Oreck XL, Kenmore 200, and Hoover Windtunnel may have what you want. All of these are included in this sub's link to recommended cleaners. A used Kirby would be high on my list at your price point as well.
I have 2 Hoover Windtunnels. Work great very old. I have 3 working Shark Robot vacs. Oldest is 12 yrs old. Still using all 3 on each level of house.

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