INVISIDOR CITY

INVISIDOR CITY

The Invisidor CITY range of air curtains were developed to bring performance benefits and energy and cost savings at a lower installed cost than ever before, being ideally suited to high street stores and other small buildings. Biddle’s CITY incorporates improved structural design and enhanced aesthetic appeal without compromising its award-winning performance.

Fresh Thinking in Climate Separation
One of the main functions of an air curtain is to condition outdoor air as it enters the building. For this to be achieved, the airflow must cover the full width of the entrance, so that it cannot be bypassed by incoming air. However, ensuring the airflow reaches the floor level is more difficult, with turbulence at the air outlet being a critical factor.

Product Brochure

Make a trade enquiry

Features & benefits

  • Aesthetically designed unit
  • Comfort and energy savings
  • Low-cost installation
  • Simple control
  • Used by many high street stores
  • Incorporates patented Invisidor technology
  • Suitable for most high street applications

AIRFLOW TECHNOLOGY
Along with the TNO wind tunnel facility at Apeldoorn in the Netherlands, Biddle have successfully developed a patented rectifier, which minimises turbulence in the discharge airstream. With reduced turbulence, induction of the surrounding air is also reduced, which in turn, increases the jet throw by 30-40% of an equal volume/velocity unit. The pressure chamber behind the rectifier evenly distributes the air stream across the whole width of the unit. The result is a deeply penetrating, laminar airstream, reducing energy consumption whilst increasing comfort levels.

Biddle City-brochure

Biddle City- Manual


Related Products

  • Invisidor DOORFLOW Air Curtain

    Invisidor DOORFLOW Air Curtain

    The Invisidor Doorflow Comfort Air Curtain was designed to enhance comfort conditions within commercial environments, from fashionable department stores to universities and colleges. The latest development in a long line of market leading air curtains, the DoorFlow has been developed to be not just of minimalist design but also to minimise maintenance, bringing a continuous and consistent long lasting level of performance and maximize energy savings.

    FILTER FREE AIR CURTAIN

    The Invisidor DoorFlow uses Biddle’s proven, patented rectifier to supply conditioned air at low speed with minimum turbulence, ensuring the air stream reaches the floor and doesn’t escape to the outside. Comfort within the entrance area is therefore enhanced without any energy wastage.

  • Biddle Designer style

    Invisidor STYLE Designer Air Curtain

    Architects, M&E designers and building owners are constantly looking for ways of enhancing the appearance of the entrance environment without compromising on performance. The Invisidor STYLE range combines Biddle’s patented technology along with contemporary design. Available in a variety of finishes the Invisidor STYLE range has an eye-catching cylindrical profile and a distinctive perforated grille. With the design being modular, any door width can be covered, and buildings requiring vertical rather than horizontal air curtains can still use this range to create a ‘top end’ designer look to the entrance environment.

    Invisidor STYLE uses Biddle’s proven, patented rectifier to supply conditioned air at low speed with minimum turbulence, ensuring the air stream reaches the floor and doesn’t escape to the outside. Comfort within the entrance area is therefore enhanced without any energy wastage.

  • SR Air Curtain

    SR Air Curtain

    SR air curtains are the ideal solution for retailers and other commercial users to combat the issue of climate separation across their outlet or office building doorway. The importance of accessibility to attract customers in the retail sector is well-known, but with this free form of access through ‘open door’ trading, cold draughts and high energy bills are often the consequence.

    INTELLIGENT CONTROL AND REMOTE AIR CURTAIN MONITORING

    The impressive results achieved by the SR are made possible thanks to a combination of four technologies. The revolutionary patented i-sense infrared technology collects all temperature related data in the doorway. CHIPS technology translates this information into the correct setting, whilst the adaptable discharge width (Controlled Air strength technology) and the patented rectifier technology create the perfect climate separation.