This can make it hard to compare across brands. While the ideal comparison is motor input power in watts of Product A compared to motor input power in watts of Product B, some manufacturers do not provide motor input power specifications in the form of watts but instead rate the entire vacuum cleaner in amps. Although this specification doesn't take into account the efficiency of the motor, the number of fans or the overall vacuum cleaner design, motor wattage is a valid way to evaluate and compare the power of the motor. The input power of the vacuum motor is measured in watts. Let's take a look at the primary specifications one by one: Specifications for components such as the motor do not necessarily relate to the performance of the entire vacuum cleaner, and therefore are only a part of the story. After all, the more powerful the motor, the greater the pressure differential and therefore the more vacuum suction power and airflow, right? And it is for this reason that most of the specifications you see concerning cleaning ability relate either directly or indirectly to the motor.īut here's where it gets tricky. So, it is easy to see that the vacuum motor is the heart of a vacuum cleaner. Because air pressure is higher outside the vacuum cleaner than inside, air rushes through the vacuum cleaner. When the fans spin, a partial vacuum is created and the pressure inside the vacuum cleaner drops below the ambient (or existing) air pressure in the room. The vacuum motor consists of electrical components attached to a fan or multiple fans. This airflow is created by the vacuum motor, which also may be referred to as the suction motor. In order to make sense of all this we first need to understand the basics of how a vacuum cleaner works.Īll vacuum cleaners operate based on air flowing from the opening at the cleaning head or tool, through the vacuum cleaner and the bag and/or filter system and then out the exhaust port. These include filtration, cleaning tools (agitation), capacity, quality, noise, features and cost. There are also a number of other, secondary specifications that influence cleaning ability that we'll also examine. These primary specifications include watts, amps, volts, water lift (or sealed suction), horsepower, air watts, and airflow. However, there are a number of primary vacuum cleaner specifications, that when clearly understood, allow consumers to make educated decisions concerning which vacuum cleaner will have the best cleaning ability. Unfortunately, there is no single rating that indicates cleaning ability. With a little information and education, you will be able to sift through the numbers and better understand what the specifications mean and which ones are important to you. And most consumers typically equate cleaning ability with "power" or "suction".Ĭleaning ability is not just about vacuum suction power, even though this is an important element of vacuum cleaner performance. First and foremost, consumers want vacuum cleaners that offer the best cleaning ability. Understanding vacuum cleaner specifications is one of the most challenging aspects of selecting a new vacuum cleaner. Understanding Vacuum Cleaner Specifications
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