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.
1. Open one of your vent covers and look inside. See if it contains any dirt, debris, or matted dust. 2. Examine the return air registers for dust buildup, particularly if there are thick, fuzzy coatings of dust. 3. Pull out the air filter. If the air filter is clogged with dust, then air flow is being choked off. This lets more dust settle and build up in the return ductwork. 4. Open the furnace compartment. Examine the blower fan and motor for signs of dust as well as the furnace controls.