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Yes I totally believe it. This whole topic just went to the wrong direction. My point in the first post was just to show that the suction isn't the same anymore (many people has claimed so). But it definitely is more than enough when the vacuum is designed well. And it certainly is enough to...

Now that's a good article! One thing what immediately struck my eye. It was about too sealed nozzles/soleplates. It causes nozzle to glue to the surface, hard to move and pushing dirt instead of picking it up. These kind of vacuums are pain to use. This is what people complain A LOT in the...

Laboratory vs Home I totally understand what you mean. I give you one example. When Dyson is testing their latest "doesn't clog" multi cyclonic vacuums it doesn't count what happens in home. Hose end can be blocked what means collapse in airflow = disturbed airflow in cyclones. Also too full...

Well yes I know that the EU label don't tell the real performance. I should have corrected that. That's why we have Consumer Reports to tell the real truth. Here are the real cleaning results done by independent Consumer Reports:

Philips PerformerExpert is the current top range model. Motor is only 650W and measured suction 196AW. However EU energy label shows excellent results. So 650W may sound ridiculously low, but if it performs well does it matter? Consumer reports test and top 3 vacuums: Electrolux ZUOQUATTRO...

Philips vacuum cleaners About the Philips vacuum cleaners you mentioned. I used to be very sceptical about Philips until I bought the very first Philips vacuum cleaner. It was one of the latest high wattage vacuums (2200W) that was still in the store for sale. Price was very low, only 99€...

Yes My assumption: Manufacturers have made the decision that it's cheaper to do the single fan motor and just make motor to spin faster to remain the same suction. That's why we have nowadays a lot of those noisy high pitched sounding vacuums. Twin fan motor is much more complicated to produce...

one motor with two turbines I was talking about one motor with two turbines. More suction with lower wattage, lower rpm & less noise.

One thing that I have been wondering. Why manufacturers don't use the twin fan motors anymore? My old canisters use 1000w twin fan motors. rpm is slower in those, but I can guarantee that those has at least 200-250 aw suction. And noise is much softer and ear pleasing than the most modern...

Mesh filter Mesh filter doesn't mean anything bad.Even the best Dyson vacuums use the mesh filter or I should correct mesh screen. This Miele seems to use best kind of single cyclone system. It means that cyclone is separate from the bin and cyclone has small diameter = more separation. All...

It's interesting to see how different manufacturers locate their filters. Some put Hepa filter before the motor. Basically a good idea when the post motor filter is just a standard microfilter to capture the carbon dust. Then there is the case when they put too much unnecessary (in my mind)...

Design matters surprisingly much. Nozzle, hose, straight as possible air path, seals, bag, filters... I found this a bit hilarious video. There is modern 650w canister against the unknown very old canister. I just don't understand anything what she says.

My honest opinion is that 1200w would be reasonable limit. 2200w is "a bit" overkill. You just create huge amount of heat. With 1200w over 300 aw is possible. 800w is a bit too low.

Best new canisters what I have experienced are the Miele S8, Electrolux UltraOne and Philips PerformerPro. Those are also been most successful in the tests many times. Unfortunately SEBO is not sold here. We actually have something that is quite close to the good old vintage American Electrolux...

I don't have anything against the new lower wattage vacuums. In fact I do my daily vacuuming with my old Volta U258 made in 1988. It has 1000W twin fan motor and I think it has enough suction to my needs. For carpet vacuuming I use my Kärcher upright with 1030W motor. No complains at all. But...

Of course airflow will decrease, but in this case when the bag is almost full. Thanks to the high quality bags. (S-Bag Ultra Long Performance). Those bags are very well known for good filtaration and not loosing the suction. Top of the line Electroluxes uses same bags.

Well these results are tested from the hose end. Suction isn't everything I agree. Nozzle design is extremely important, but with this much drop they better design very good nozzles for these vacuums. Most important figure is the airflow: liters per second or the cfm. One Example: Philips...

Exactly. For example Electrolux UltraOne 427w > 207w. That's more than half the drop in suction.

I just read the 2015 Finnish consumer reports test about canister vacuum cleaners. One thing was very interesting. Measured suction (air watts) power results clearly shows how much the suction has dropped with the new low wattage models. Quite dramatic drop in suction. Some examples: 2015...

Variable power is something that the multi cyclonic vacuums very rarely have. Small cyclones have to have very accurate airflow in them. Otherwise cyclonic action is disturbed and it can clog the small cyclones. For example Dyson doesn't have any model with the variable power. In single cyclonic...