By installing the invisidor doorflow above the door it increases energy efficiency prevents draught problems and proves that an open door and a comfortable indoor climate can coexist perfectly well.
Biddle over door air curtains.
Shops and public buildings often have open doors for commercial reasons.
By installing a doorflow over the open door you are saving vast amounts of energy as well as preventing draughts.
Our signature rectifier design ensures laminar airflow where the air moves at the same speed and in the same direction down to the floor.
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What are air curtains used for.
The invisidor doorflow air curtain warms the cold air before it enters the building and prevents the escape of warm air through the open door.
The sensair not only delivers the optimal climate separation but more importantly provides evidence that the climate solution is effective.
Designed with rounded profiles and an eye catching perforated grille invisidor city air curtains are modular in nature enabling any door width to be covered.
For the past 60 years biddle has been producing and delivering innovative climate solutions in the field of heating ventilation cooling and climate separation.
Browse our range of air curtains cassette units air heaters and fan coils.
The doorflow comfort air curtain model proves that it is possible to keep your shop door open whilst maintaining a comfortable indoor climate.
And buildings with low water temperatures from a condensing boiler can still benefit by using a specially developed cb version of the invisidor city air curtain.
With any air curtain it is essential that the jet of air reaches the floor and covers the entire door width.
Sensair is the next generation of ca2 air curtain incorporating better design enhanced efficiency more control options and low noise levels.
Research and development programmes establish that without careful temperatures measurements in the door opening automatic control of discharge velocity and temperature and without use of biddle s patented rectifier laminar.
This airflow acts as a curtain that reduces heat loss and eliminates turbulence.
With any air curtain it is essential that the jet of air reaches the floor and covers the entire door width.
At biddle we specialise in heating and cooling systems and solutions.
Daikin biddle air curtains achieve air separation levels of 80 85 and significantly increase your comfort and energy efficiency.
Use of biddle s patented rectifier technology ensures a laminar air stream and a climate separation efficiency of over 90.