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

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Having a vacuum expel fresh air at every vacuuming is the selling feature of rainbow - disagreeing with the "filter will be dirty" statements as our filter on e series stayed white/clean after 5 years of use so removed it (yes cats and dogs)! Mom has this e series but does take very good care and long term rainbow owners as well. The problem is where to dump a half gallon of debris filled water!(i use an 1984 rainbow with large water pan) Not wanting the sewer line to plug nor having to scour out toilet again - outside dimping is the easiest answer but it does pile up using the same spot everytime and is an eyesore. My current home is too small to set up and tear down a rainbow daily. A Bagged hepa vac is my daily driver typically.
Unless the brushroll and belt on your sebo is lifetime - do one or both need replacing? Also if the sebo bag was 3/4 full - your not getting great suction. Rainbow salesman arrived and was frustrated as hell that he couldn't get ANYTHING out of my plush carpet (2 dogs and 2 cats indoors)! -At that time i had been using a well maintained 25 yo rainbow! Sort that as you like. Kirbys and royals clean carpet very well. Although i have never used a sebo yet i see the high favor here.
Got a D4 several months ago. I couldn’t be more satisfied. After I vacuum, the carpets just look clean, I can’t explain it. They just look clean. That bag will take forever to fill up, and especially with pet hair, you might get a little odor. Vacuum up some coffee beans, and that should take care of the odor. Congratulations!
I have two GSD, females, 9 & 10 years old and I grew up with German Shepherds. I have a Royal, (Kirby), and a Rainbow water base vacuum. Rainbow is expensive, but will last 30 years, no joke. My mother had one for 36 years. After 36 years, my dad took it over and used it in his garage. I bought a used Rainbow from E-Bay 17 years ago. It works great on dog hair. Great suction! Good luck.
I'm a vacuum enthusiast and refurbished two Rainbows. I can confirm that filling the basin with water, emptying it mid-vacuum and then cleaning the basin and water separator after each use is a pain. I prefer to grab my Sebo and get the job done without any hassles (changing a bag is not a hassle). The E3 is the sweet spot in the Sebo canister lineup, its portable enough to carry upstairs and if your stairs are carpeted it will tackle that job too. I recommend the handheld turbo brush for upholstery and carpeted stairs and an upgraded bare floor tool like the premium parquet or the turn and clean style parquet brush.
I will get flack for this, but I love my Rainbow. Works great with 3 cats and teenagers.
I like my Rainbow better than the shop vac. It just works better. But the shop vac is nice to have around my old house for stuff like drywall and lead paint chips

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