Page 52 - CIJ May 2023 Digital Edition
P. 52

Technology BiTes



          How to choose a

          commercial vacuum cleaner





          Continuing the series of articles which will guide the FM industry
          in how to choose the right solution for the right application,
          we dive deep into the features and variables that need to be

          considered before selecting a commercial vacuum cleaner.



          Area to be cleaned              Vacuum/suction power            with higher wattage motors have
           Consider the size of the space   The amount of suction power   more sucking power.
          that needs to be cleaned and the   needed will depend largely on the
          cleaning frequency. For a large,   type of dirt being collected. Lighter,   Battery vs cable
          carpeted area that needs daily   finer dust requires a greater airflow   Battery powered vacuums now
          cleaning, an upright vacuum would   but less suction whereas heavier or   have equivalent power levels to
          be the best choice. To clean tight   tougher deposits need a stronger   standard machines. Perfect for
          corners and stairs, a backpack   suction.                       use where trailing cables could be
          vacuum would be more suitable.                                  a hazard, or whether there is no
                                          Vacuum motor power              available power source. They tend
          Type of floor                     Generally speaking, vacuums   to be very quiet too.
           Different types of flooring require
          different types of vacuuming
          equipment. Hard flooring may
          require a vacuum with a hard floor
          attachment, while carpeted floors
          require vacuums with motorised
          brushes that can lift dirt and debris
          from the pile.


          Type of dirt
           Most vacuums can cope with any
          type of dry dirt, but liquid dirt and
          spillages require the use of a wet
          and dry vacuum cleaner.

          Volume
           The airflow, or vacuumed air
          volume, is the result of the average
          air speed multiplied by the hose
          diameter. The narrower the suction
          hose, the less air volume there will
          be, but the vacuum power will be
          greater. Airflow is usually measured
          in litres per minute, and larger
          machines can move thousands of
          litres per minute.


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