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  2. Central vacuum cleaner - Wikipedia

    en.wikipedia.org/wiki/Central_vacuum_cleaner

    A main disadvantage of central vacuums is the higher initial cost. In the United States, the average central vacuum system has an installed cost of around $1,000 ...

  3. Vacuum sewer - Wikipedia

    en.wikipedia.org/wiki/Vacuum_sewer

    A single central vacuum station can collect the wastewater of several thousand individual homes, depending on terrain and the local situation. [1] [better source needed] Vacuum sewers were first installed in Europe in 1882. Dutch engineer Charles Liernur first applied negative pressure drainage to sewers in the second half of the 19th century.

  4. Vacuum cleaner - Wikipedia

    en.wikipedia.org/wiki/Vacuum_cleaner

    The power unit of a typical central vacuum cleaner for residential use. Central vacuum cleaners, also known as built-in or ducted, are a type of canister/cylinder model which has the motor and dirt filtration unit located in a central location in a building, and connected by pipes to fixed vacuum inlets installed throughout the building.

  5. Automated vacuum collection - Wikipedia

    en.wikipedia.org/wiki/Automated_Vacuum_Collection

    Once an input bin is filled, or capacity is available, it is transferred to the central collection site and combined with the same class of waste. [citation needed] Also in Finland, in the suburb of Vuores in the city of Tampere, a vacuum collection system was included in a new suburban development planned for 13,000 inhabitants. It has a total ...

  6. Is Central Air Worth the Cost? Plus, What You Can Do Instead

    www.aol.com/central-air-worth-cost-plus...

    The average cost of both the unit plus installation will range from between $5,000 up to a whopping $12,000, according to Adam Graham, a construction industry analyst at Fixr. On average ...

  7. Central vacuum system - Wikipedia

    en.wikipedia.org/?title=Central_vacuum_system&...

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Central_vacuum_system&oldid=429092737"