Do you have rooms in the house that you are not using, say a room left vacant by your kid who left for college? You can put a vent cover over the register in that room that you do not use and save the energy it takes to heat that room. Your child is off to college or boarding school, why pay to heat his room both at home and at school dormitory?
Is there a room in your house that is warmer than the rest of your abode? You can put a magnetic vent cover over just part of an air conditioning vent and restrict the amount of air leaving that register. Save money and conserve energy by not overheating one or more rooms that’s more than necessary.
Do the furnace sits in the cellar with a heating register by the furnace designed to heat the cellar? Put a vent cover over the register and save energy by not heating an unconditioned cellar.
What about large bedrooms or two heating registers in the room? Place one vent below the window and another vent below the 2 ton antique wood cabinet with a huge mirror. Placing a vent cover over the register under the heavy dresser would save energy and protect the dresser. Also, it saves energy by not overheating your underwear.
