Did you know that there are three different types of upright vacuums on the market; the direct air, the bypass and now the tandem air design each with their own advantages and disadvantages? If not, you may not be making the best decision when purchasing a vacuum.
The first ever upright vacuum was a direct air design. Direct and to the point, upright vacuum motors were positioned as closely to the floor as possible so the dirt and debris had less distance to travel to the bag. This type of large bladed fan motor actually pushes the air through the vacuum into the bag. Bags were after the motor and consequently could be even overfilled without doing damage to the vacuum. The larger surface area of the bag system makes for better air flow and higher suction. This design meant excellent carpet cleaning ability for your home. However most but not all models of direct air units were made primarily for carpets not for bare floors, which might create a problem for the modern day consumer who has both. Its important to note that direct air uprights that clean both carpets and bare floors are available but are not widely sold.
Bypass upright vacuums are by far the most common and widely sold vacuum today. When you walk into a discount store that is mainly all you will see. Essentially the bypass design is a more complicated design that offered less in carpet cleaning ability. In these designs, the motor is placed behind a hose and filter system (bag or bagless). The hose was a feature that a lot of people wanted but in their quest to find the perfect vacuum that can tackle carpets, floors and above the floor cleaning attachments all in one, they are losing some vacuuming ability. Think about this design where the motor actually has to pull the air from the floor through the distance of a hose then through a filter system (bagged or bagless) also through the dirt that is being picked up then finally exhausted out through the motor. Because of the distance the air has to travel, the carpet cleaning ability is sacrificed. It is important when deciding to go with a bypass unit to get one that has th e powerful suction motor. This way you are making up somewhat for what you will consequently be losing in the end. Also most of these vacuums have the ability to clean both carpet and bare floor.
The most revolutionary design of an upright vacuum is a patented design by the Tacony Corporation. It is the tandem air design. It actually puts both a direct air vacuum motor and a bypass vacuum motor in one vacuum. For all around cleaning it is the only design that does not sacrifice but actually enhances the performance especially the carpet deep cleaning ability and also incorporates bare floor and above the floor tool cleaning.
In conclusion, when choosing a vacuum to buy, you need to concentrate on finding one that fits your needs and home. You can get a bypass that cleans well, you can also get a direct air that cleans well or you can get a tandem air design. You just have to know where to go and where to find them and be shown the differences. Odds are its right under your nose; your local family owned vacuum shop. They have the knowledge to help you find exactly what youre looking for so you can make the best choice for you.
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