hwv

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The powrmatic hwv unit (formerly Hopper) is available in both inclined and vertical formats.
It is specifically designed to provide an architecturally aesthetic solution to natural ventilation, daylighting and low heat loss requirements. It is compatible with modern glazing systems and includes some impressive features:

• Independently tested to withstand temperatures up to 600 ^oC for use as a smoke ventilator
• Energy efficient
  low power consumption
  very low air leakage when closed
  glazing specifications to match Part L2A requirements
• High quality aluminium extrusions provide a robust and durable construction
• Fully concealed operating mechanism to maintain clean visual lines
• Weatherproof when closed as tested to BS 5368 Parts 1 & 2 & BS 6375
• Polyester powder paint finish to any standard BS or RAL colour
• A range of glazing adaptors available
• Full range of control options available