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.
Don't block more than 30 percent of the registers in your home. Blocking too many vents or ducts can create significant problems with air distribution, leading to poor heating/cooling performance and possibly damaging your furnace or other equipment.Close off the airflow at each register by closing the register louvers, using a dial or lever on the side of the register.n the latter case, you may need to use a mirror and flashlight to locate the damper. Cover each metal register with a magnetic-sheet-type cover. They simply align with the edges of the register and magnetically cling to the top of the register. Remove wooden or odd-sized registers using a screwdriver.