If you hate the idea of needing to hold down a trigger to keep the vacuum running, then Shark’s system will be a welcome relief..

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.

This makes comparing vacuums difficult.. It’s important to check.airflow is being measured, as this affects the air watts calculation.For a true estimate of suction power, the airflow must be measured at the cleaner head..

In reality, the biggest issue is #2: most manufacturers don’t provide air watt figures for their vacuums.Without being able to compare vacuums using the same rating, air watts becomes much less useful..

Note: Air watts are measured with a clean filter and unobstructed airflow.

A clogged filter greatly reduces suction power, which is why it’s important to properly maintain your filters.If you need a new vacuum cleaner, make sure you check out.

our list of the best vacuumsConfused about air watts for vacuums?You’re not alone!

Here’s a simple guide to air watts and why they can be a useful rating when buying a vacuum cleaner..Comparing vacuum cleaners can be difficult.. There’s no single rating to compare the performance of two (or more) vacuums.