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  Model AT - AnemoTherm VAV Diffuser  
  • Intelligent VAV Plaque style diffuser with integral room thermostat and VAV damper
  • Cooling (Model ATC) or Auto Heating-Cooling Changeover (Model ATHC) configurations
  • Independent VAV zone control – easily retrofit existing, problematic multi-zone systems
  • Eliminates comfort complaints associated with multi-zone applications due to non-uniform loading and lack of personal comfort control
  • Architecturally preferred diffuser appearance without sacrificing performance
  • For surface mounting or use with suspended grid systems
Product Features
  • Model ATC for cooling only applications
  • Model ATHC for automatic VAV cooling (<68° F supply air temperature) and VAV heating (>78° F supply air temperature) applications.
  • No special installation requirements
  • VAV damper is spun, corrosion resistant aluminum with perimeter seal
  • “Easy Adjust” thermostat located behind removable plaque. Adjustment range is 72-78° F. No tools required. Factory set at 74° F.
  • 360° air pattern delivery at high discharge velocity maintains coanda effect even at low air flow rates
  • Center plaque has smooth, hemmed edges for rigidity and flat appearance
  • Steel construction
  • Plaque is assembled without welding or heat – no blemishes
  • Smooth outer cone is die stamped (no mitered corners) and contoured to minimize sound and pressure loss
  • Removable plaque assembly without use of tools. 4 posts interlock into outer cone.
  • Arctic White baked-on finish
  • 10 year warranty
  • Aluminum, or stainless steel construction (VAV mechanism is constructed from coated steel components)
  • Pressure control collar reduces system pressure by relief of supply air directly into the ceiling plenum
  • Blank-off baffles for directional control from 4-way to 3, 2, or 1 way blow
  • Custom or optional paint colors
Performance Data

Model Application
ATC Cooling Only, Nominal 24 x 24
ATHC Heating & Cooling, Nominal 24 x 24
ATCR Cooling Only with Relief Collar, Nominal 24 x 24
ATHCR Heating & Cooling with Relief Collar, Nominal 24 x 24