In addition to being handy, central vacuums reduce allergy symptoms and do an excellent job of vacuuming.
Because the vacuum canister can be larger than a conventional household vacuum’s, it can do a more powerful job of collecting dust, pollen, dander, and other airborne pollutants without re-circulating those allergens into living spaces the way a conventional, portable vacuum cleaner does.
And even though central vacuums are larger and more powerful than conventional vacuums, they are quieter because the motor is remote.
How a Central Vacuum System Works
For more about how central vacuum systems work, complete with an illustrated diagram, seeHow a Central Vacuum System Works.
The trick to buying the right central vacuum system for your home is making sure it is sized correctly, not only for the square footage of your house but also for the length of pipe required to service the system. The most important rating to look for is “waterlift,” which refers to the system’s sucking power. This will determine how well the vacuum can draw the dirt through all of the piping.
Central vacuum systems cost from $600 to $1,500, depending on the size, amount of piping needed, and power. Most dealers quote a price including installation, so make it clear if you plan on doing the installation yourself.
For more information, see the中央真空系统购买指南.
Installing a central vacuum system is infinitely easier to do in new construction, but a system can be retrofitted into an existing home with relative ease as long as there is adequate access to a basement, crawlspace, or attic. The four main components are the power unit (which also includes the dirt-collection bin), usually installed in a garage, basement, or utility room; the inlet valves; PVC tubing; and a lightweight hose with the cleaning wand.
For step-by-step instructions with illustrative photographs on how to install a central vacuum system in both new construction and an existing home, see如何安装中央真空系统.
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