Old English floterian to flutter, fly, flicker, float to and fro, be tossed by waves, frequentative of flotian to float (see float (v.)). Related: Fluttered; fluttering. As a noun from 1640s; meaning state of excitement is 1740s.
Simply closing your floor vents may not be enough to block the air. When you use a forced-air heating system in your home, you're bound to have heat registers too. Sections of duct work, like hallways in a school, run through your home's framing, carrying heated or cooled air to various rooms.etal Registers. Assuming the cover is temporary, and you'll wish to use the register again at some future date, simply get a magnetic vent cover to block a metal heat register in the floor. You can find these at hardware and other assorted stores.
Having to have a cord running from your air vent is a small price to pay for a room thatâs much more comfortable than before. Most models are intended to fit into a 4-inch by 10-inch vent, but adapter plates are available to allow Suncourt register booster fans to fit into other sizes of vents. Some manufacturers claim a 3 to 5 degree reduction in the temperature of a room when a register booster fan is in place.