Vacuum Cleaner Suction Power: Guide and Tips

The Vacuum cleaner suction power is the most important term relating to the performance of a vacuum cleaner. In addition to this, vacuum motor technology has improved significantly over recent years. When you want to buy the shark cleaner machine, you should know what is suction power and how important it.

In brief, it is the suction motor, which takes the electrical power from the power source and converts it into mechanical power in the form of suction with airflow. More importantly, suction power is one of the main strength that influences how well your vacuum will work.

The relationships between suction and airflow are completely reverse but many manufacturers make it confusing for customers.

Is The Higher Wattage Means Greater Suction?

Many people believe the answer is yes. But no, wattage is only a measurement of how much power the vacuum can consume. For example, a 1000W vacuum cleaner can use 1 kilowatt (1000 Watts) of electricity in 1 hour. Here the fact is, it’s a consumption measurement, rather than a power output measurement. It’s not tell anything about vacuum cleaner suction power.

Vacuum Suction Power 1

The time when you need to use more electricity, you have to use a vacuum cleaner with higher wattage. For instance, the confusion comes from many manufacturers in their attempt to make their products appear superior to others. Moreover rating the motor for its ability to produce suction with airflow is one of the most misrepresented aspects of vacuum cleaner technology you should know. So don’t confuse about this term anymore.


The vacuum cleaner takes it as an input power. In this addition you can convert amps to watts by the formula, amps x 120 (volts) = watts. Otherwise convert watts to amps by the formula, watts/volts (always 120) = amps. To make it easy take an example, a 1400-watt motor converts to 11.67 amps (1400/120=11.67). Although it doesn’t define the efficiency of a motor yet if you want to compare the power of a motor then motor wattage is a valid way to evaluate.

Most of the times manufacturers find it’s the best way to make it harder and more confusing for people to compare their products to the competing ones.

Sealed Suction

It is another good way of assessing the vacuum cleaner suction power. In particular, it connects to a tube, which contains water and exists completely in a sealed form. It’s way to measure is the higher it raises the water level, the bigger suction it has. Nonetheless, normal vacuums don’t require to use this kind of measurement.


Very much similar to watts, the logic stands the higher the Amps, the better the suction power. If you want to know the comparison between two units one measured in Watts and the other measured in Amps, you should know precisely how much these adjacent systems could eat. To make this term easy, here is a simple formula – Watts/Volts (120 in US) = Amps

More Factors for Vacuum Cleaner Suction Power

Some more facts are there that influence the suction power of a vacuum cleaner. The facts are-

  • Remember, airflow specification affects the cleaning ability of the vacuum. The measurement happens in cubic feet per minute (CFM). Overall, the more airflow the unit has the better the cleaning ability of the vacuum cleaner.
  • Types of filters and the way the system filters dirt influences cleaning power. So during cleaning the washable filters, one should follow the manufacturer’s recommendations very carefully.
  • The design of the motor, matters for the performance of a vacuum. In particular, a few vacuums come with two or three fans that work together instead of a single one to improve the suction power.
  • Height adjustment on the carpet or surface.
  • Hose and nozzle design and quality affect performance.
  • Dramatically reduce the suction power when the canister is full. So emptying the bag or canister is important in this case.

Different Types of Vacuum Cleaners

Five types are most common for vacuum cleaners . But if you intend to get the best vacuum cleaner then you need to know which unit can ensure the highest vacuum cleaner suction power.


Upright vacuums are perhaps the most popular and sought-after forms of vacuum cleaners. This vacuum provides the most powerful clean-up for your house. Users can use them on carpeted surfaces as well as bare floors. Wherever you see a vacuum in advertise that most probably be an upright vacuum, you can never bet.


To reach in the painful hard to reach areas handheld vacuums are the best options. It comes in all sorts of different forms with equally different price tags. In fact, its versatility makes it a dream for suctioning up dirt and debris in a variety of tight places but not recommended for general flooring cleaning.


You can call this a happy medium between the stick and upright model. These are technologically-forward and come with a multi-functional design. Here a separate canister comes along with a long wand. Using this you can maintain not only carpeted areas but also bare flooring too. They are very similar to upright cleaners but features are not alike. Featuring the newest technology, this style of vacuum cleaner tends to be one of the most expensive options.

Autonomous / Robot

Among so many types, robot vacuum cleaners became the most popular in recent years. The reason is they require a little effort on your end, able to roam freely around the home, sucking up any small mess in its way, commendable. They have the ability to reach places that larger vacuums wouldn’t be able to, can also save times.


This type of vacuum parts and features a long stick-like handle and a slender construction that helps a lot to reach into narrow places. The slimness body makes it a perfect addition to any closet space, does a wonderful job on area rugs, light carpeting, and hardwood floors.

Bottom Line

Maybe you know that it’s tougher to put big pumps in smaller, or more compact machines. For this reason, we need to come up with a way to make a small and light pump generate high suction. The Vacuum cleaner suction power plays an important role in vacuum cleaners longevity.  With this intention always try whatever you choose it should be best for use and should have highest suction power available so that you can clean tough dirt in short time.

Click Here to Leave a Comment Below 0 comments