ABV Valves Full family of Linear grilles and diffusers that can be used for a wide variety of architectural applications. Available in varieties for ceiling, side-wall or floor mounting.
ABV With Transitions A full offering of supply and return grilles, available with or without multi-shutter or opposed blade dampers for balancing purposes.
ABV With Grille Mount Box Ceiling diffusers that can be applied in either sheet rock (hard) ceiling applications or lay-in style (t-bar) applications. Variations include louver, cone or plaque style faces.
ABV With Life Safety METALAIRE Air Terminal Units or VAV boxes, including single duct, dual duct, bypass, and both constant-volume and variable-volume fan powered boxes. All available with or without electric or hot water reheat features.

Key Features

The Solution


  • Traditional Balancing can’t respond to system changes
  • Too much ventilation = wasted energy
  • Too little ventilation = bad air quality


  • As heat rises in buildings during winter months the ventilation rates can more than double from “Stack Effect”
  • The excess air forces the fans to freewheel
  • Stale air from lower floors can contaminate upper floors
  • Result: Bad Air Quality & Wasted Energy


  • Use of the ABV creates an “auto balancing” system
  • An auto balanced system assures correct ventilation rates regardless of system changes
  • Autobalancing = less energy $ and better IAQ

AAB products are sold exclusively through our broad network of manufacturer's representatives knowledgeable in all phases of HVAC design and selection. Please follow the link to the Rep Locator to find the AAB representative in your area.

Email Documents