DYNAMIC PRESSURE IS THE KEYWORD

To maximise the energy efficiency of any ventilation system, fans must use both the static and dynamic pressures. The result is higher efficiencies, lower energy consumption, reduced operating costs and lower carbon emissions.

DYNAMIC PRESSURE IS THE KEYWORD

HVAC systems which only utilise the static pressure cannot achieve efficiencies above 90%, as the dynamic pressure goes to waste. To achieve the most energy-efficient ventilation system, fans that use both the static and dynamic pressures are required. The efficiency of plug and centrifugal fans is calculated solely on the basis of the static pressure. This is because the systems are unable to utilise the dynamic pressure, which they literally throw away. Due to the design axial fans utilise both the static and dynamic pressures, which in turn means that the efficiencies are based on the total pressure, which makes them capable of achiev-ing efficiencies above 90%. Although plug and centrifugal fans are tempting because they appear simpler and more flexible than axial fans, they are an expensive choice in the long run – both in terms of operating costsand environmental impact. A high efficiency axial fan consumes less energy and reduces both costs and carbon emissions, hence the efficiency is a key critical parameter in fan solutions.

NOVENCO - PURE COMPETENCE IN AIR

Since 1947 our design, development and operation of ventilation products and systems have given us vast experience. The efforts we put into research and development reflect our dedication and allow us to create products on the technological forefront with respect to performance and durability. This is what we consider necessary to stay in front in a world that changes constantly with new environment re-quirements and calls for innovative solutions from customers and the business environ-ment. The challenges fuel our desire to create the next generation of ventilation products.

SCULPTING THE PERFECT DESIGN

The cornerstone in the design of the ZerAx® is the airflow. Making this as unimpeded and efficient as possible optimises the fan effi-ciency. The inspiration for achieving this comes from the aviation industry and the design of rotors in jet engines, where creation of high thrusts is essential. The ZerAx® hub and rotor blades with the minimum blade tip clearance are ideal for shovelling air through the system. The curvature of the guide vanes after the rotor straighten the turbulences to remove air rotation and to ensure maximum pressure after the fan.

ZERAX® - GREEN INNOVATION

The engineering of the ZerAx® fans is an unprecedented achievement in NOVENCO history. The ZerAx® revolutionises the design and performance of axial flow fans and is in fact an energy-saver of the future that redefines and heralds a new generation of axial flow fans with unmatched 92% efficiencies, low sound levels and a product lifetime of 20+ years. This makes the ZerAx® fans the best-in-class and ready to comply with future environmental legislation. The ZerAx® fans are strong and durable with form factors that in many cases result in smaller space requirements when replacing existing fans in AHU's. In new AHU designs, the compact form factor means that these can be smaller, less noisy and lighter. Hence, saving materials and space as well as maximising comfort levels with less sound compared to other fans. In retrofit programs, the ZerAx® ensures high levels of performance at minimum costs.