airflow is being measured, as this affects the air watts calculation.
This is why the EU brought in new rules that limit a vacuum cleaner’s motor power to 900W.Until this change, vacuum cleaners were being built with more and more powerful motors (2500W+ in some cases), yet were inefficient and loud..

Note: The efficiency of a vacuum is usually defined as the ratio of air watts to input watts.This metric is rarely provided by vacuum cleaner manufacturers though.. Are Air Watts a Useful Metric?.Air watts can be an interesting number to look at when.

choosing vacuum cleaners.– and the measure is certainly more useful than watts – but there are some limitations.. Air watts only measures the suction power of a vacuum cleaner, not dust pickup.

The amount of dirt, dust, and hair a vacuum can remove isn’t just dependent on suction, but also on the floorhead and brush bar..
Many manufacturers don’t publish air watts for their vacuums, as there is no obligation to do so.Most vacuum cleaners have two filters:.
exhaust filter or motor filter.Both of these need to be cleaned regularly, although you should check with your manufacturer about.
If your vacuum comes with a. washable.filter, then you can usually clean it by running it under a tap (check the manual first.)
(Editor: Advanced Canopies)