Aire flow hypervent mattress condensation mold mildew.
Vent under bed solution.
Vent covers completely block air flow but save your couch from damage.
Vent extenders re direct air flow under the couch.
Purchase a vent extender or vent cover at brick and mortar and online hardware stores.
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.
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.
Extends up to 35 inches and can be used on floor registers up to 11 wide for central forced air heating and cooling systems.
Extenders and covers come in numerous sizes.
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.
You can make an extension to the ventilation with cardboard and duct tape.
Purchase one that fits your vent s measurements.
Aire flow is designed to prevent moisture build up underneath mattresses bunk pads and cushions.