There is also a Kenmore vacuum cleaner model with a telescopic wand available that allows you to adjust your vacuum cleaner for a more comfortable cleaning experience on uneven surfaces such as stairs. Kenmore also offers you a wide selection of upright vacuum cleaners to check out. There are some upright vacuum cleaner models that are equipped with an Inteli-Clean System that can automatically detect cleaning needs on different surfaces and adjusts the cleaning power to provide you with more efficient vacuuming. You use vacuum everyday but do you know how it was developed Read on and find out how this little piece of great invention came about. The first cleaner that used the same system as that of the vacuum cleaner was created in 1865 in Chicago. Called the Whirlwind, it was hand-powered. But it was only in 1901 when the vacuum system was patented by British engineer H. I'm talking about the powerful line of cordless vacuum cleaners that are now a common sight in home depot and appliance centers. These vacuum cleaners have brought about reforms in the way homeowners and contractors alike clean houses. Like other vacuum cleaners, the cordless models come in various shapes and sizes. Applying highly workable vacuum cleaners for exclusive industrial purpose to suction the pile of waste materials could command the great need that d impossibly be done by manual labor lacking full-packed energy and full speed. Industrial Vacuum Cleaner is prepared to suction considerable amount of waist materials scattered in commercial areas with high-junk disposables. The price range of the vacuum cleaner is from $399 to $599. These are easy to easy to move around because of the wheels underneath allowing the person to move freely and store it after it is used. All of these come with a 5-year warranty so the parts can be replaced free of charge. The nice thing about Dyson is that the vacuum cleaners can be purchased in authorized dealers such as appliance stores that could be near where the customer lives. This also provides better control allowing the person to use this in hard to reach places making sure all the dirt has be removed. Another feature in the Eureka vacuum cleaner is that it has great suction power. Even if the machine bought only has a 3 or 8 amp motor, it is still able to do the same job done by a bigger and stronger appliance.