An atomizer cover which is made of glass, plastic, silicone, metal or glass-lined metal for a vaporizing device wherein a side air inlet hole through the atomizer cover is located at a lower portion of the cover, wherein upon assembly of the cover with an atomizer and an atomizer base, the side air inlet hole is located near the atomizer and atomizer base, at or below the atomizer cup level, which creates a vortex of air to increase the efficiency in pulling of the aerosol or vapor from the interior of the atomizer cover, while cooling down the aerosol or vapor which is then inhaled by the user.