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.
Block vents airflow to save money on your energy bill when airflow is not needed. The white magnetic register cover has the appearance of a regular floor register so no one will ever know it is a cover! Block vents anytime of the year since these covers will work for both cold and hot air distribution. Comes with 2 covers a pack. - White cover mimics look of actual floor register. Note: Our 4 x 10 magnetic register covers cannot be used to block vents that are on the ceiling or wall. Block vents on your floor today with these 4 x 10 magnetic register covers and stop unwanted air from escaping into your room.