No. Only the hose or the attachments are portable in a central vacuum system. A portable vacuum is a standalone model like a stick, canister, or upright. A central vacuum system is defined by a central power unit, which is installed in one place like an AC unit, and the connected network of piping to funnel the suction.

They’ll use more electricity than the average upright vacuum, but not remarkably more. Most power units plug into a standard 120-volt outlet and don’t have significant power demands. You shouldn’t notice an increase in electricity bills. If you have any specific questions about energy costs, ask your installer as you examine purchase decisions. Larger power units will need more electricity for their suction levels.

Whether talking about a whole-house central vacuum or a portable vacuum cleaner, the expected cost of major repair work should always be balanced against its replacement cost. However, excluding high-cost motor replacements or major electrical trouble, repairs on a central vacuum system are typically far less than the cost of purchasing and installing a new one.

Technically, yes, you could install a central vacuum system on your own, but it is a very difficult DIY. There is a significant amount of planning, cutting into walls, and electrical wiring work that goes into it, which should only be performed by a professional. Because of the difficulty and expense associated with a central vacuum system, it’s worth it to hire a professional company familiar with the installation's complexities.