You can make an extension to the ventilation with cardboard and duct tape.
Vent under bed solution.
Purchase one that fits your vent s measurements.
Vent extenders re direct air flow under the couch.
Vent covers completely block air flow but save your couch from damage.
Product description the deflecto under furniture air deflector attaches to floor vent covers and directs forced air out from under furniture and into the room for added comfort.
As a last ditch solution when vents and furnishings collide invest in an air deflector.
Extenders and covers come in numerous sizes.
Aire flow is designed to prevent moisture build up underneath mattresses bunk pads and cushions.
Purchase a vent extender or vent cover at brick and mortar and online hardware stores.
Aire flow hypervent mattress condensation mold mildew.
Extends up to 35 inches and can be used on floor registers up to 11 wide for central forced air heating and cooling systems.
Brands of vent covers and extenders vary.