A-C DraftShield air vent covers. Block drafts in winter & summer.

Block cold drafts in winter to any room with air vent covers.Stop excessive A/C air blowing on you in summer with ceiling vent covers. You have closed your vent louvers, but you still feel a draft. You need AC DraftShield vent covers. They will seal your air conditioning system registers and block cold air from entering the room. Too hot upstairs or too cold in the basement? Stop air flow for any reason. A/C DraftShields patent-pending design works on vents of several size vents. The foam seal snugly contacts with the ceiling or wall surrounding the grille/vent. This completely eliminates leakage and drafts from the vent. AC DraftShield also works on through-the-wall air conditioning units. Saves money in winter and summer For homes with separate space heating and A/C systems, through the central airway system, the average home loses 30% of the the heat produced by its heating systems during the cold months of the winter, fall and spring. Here is how: A typical home has a 15°F to 20°F