Purchase a vent extender or vent cover at brick and mortar and online hardware stores.
Vent under bed solution.
Aire flow is designed to prevent moisture build up underneath mattresses bunk pads and cushions.
Extenders and covers come in numerous sizes.
Vent covers completely block air flow but save your couch from damage.
Extends up to 35 inches and can be used on floor registers up to 11 wide for central forced air heating and cooling systems.
For example when vents are beneath a bed use a deflector to direct the air outward upward or to the side to prevent the cold or heat from dispersing beneath the bed before it reaches the room.
You can make an extension to the ventilation with cardboard and duct tape.
Vent extenders re direct air flow under the couch.
Deflectors or vent covers magnetically connect to the vent and redirect the air flow pushing it out from beneath a cupboard or couch to encourage intended air circulation and distribute heated or chilled air.
By installing vent deflectors you can direct the airflow in ways that bring more comfort and save energy.
As a last ditch solution when vents and furnishings collide invest in an air deflector.
Purchase one that fits your vent s measurements.