Horizontal Displacement Diffuser

The HDD provides low velocity discharge air into a space. The air moves along the floor until a heat load is encountered, it then rises providing clean, conditioned air before passing above the occupied zone and taking heat contaminants to the high return grilles. Due to this low velocity non-mixing supply air, diffusers can be placed directly beneath the occupant. Displacement diffusers provide superior air quality as well as energy savings compared to a conventional overhead system.

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