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Skyline Energy - super efficient super quiet fans for hydronic heatpumps
Our ZA hydrocarbon heatpumps are up to 38% more efficient than other brands . . .
Hydrocarbon heatpumps are typically 20% more efficient than standard refrigerant charged heatpumps, and less wear & tear on the refrigeration system leads to longer service life.
One of the important considerations affecting the decision on a heatpump or alternative hydronic heating "boiler" is the noise factor.
For other heatpump technologies such as potable hot water heatpumps and air conditioners, this is not such a problem because they are generally much smaller and less powerful than required for hydronic heating.
We can now overcome the sound problem AND significantly increase the overall efficiency of our heatpumps by offering Zeihl-Abegg patented "OWLET" fans in lieu of the standard fans.
These fans make such a difference we deemed it necessary to devote a webpage specifically to highlight these special fans.
Bionic ZA low-noise, super efficient "Owl" bio-fans are lighter, very smooth running & highly durable due to dynamic balancing in 2 planes, are made from 60 percent sustainable raw materials and provide a very high airflow with reduced drag leading to unmatched efficiency.
Bionics (less noise and less energy use)
The designers of Ziehl-Abegg have been observing many creatures whose bodies are optimised for water or air flow. The engineers were struck by the quietest of the birds of prey - the owl.
Just why is the owl so quiet?
The owl hunts at night when visibility is very poor. Owls therefore locate their prey by hearing. And this only works if they can fly extremely quietly.
How do they do that?
A barn owl for instance weighs around the same as a pigeon. Their wings however are several times larger and more arched. This gives the bird much more uplift at lower speeds. Pigeons on the other hand have to flap their wings hard which makes them audible from afar.
The tips of the owl's wings are also fringed. This causes the air flowing over and underneath the wings to meet at the rear edge of the wings more gently and therefore more quietly. The rear edge of the fan blade is serrated for the same reason.
However the Ziehl-Abegg designers did not just scrutinise owls. Vultures, eagles and storks raise individual feathers. These create small border-vortices at their tips, further reducing the resistance of the wing. You can also see this in aeroplanes whose wings now have a small nick (or winglet) at their tip. Ziehl-Abegg owlet fan-blades have long had this feature.
The combination of several bionic features in a single fan also reduces the energy consumption in operation.
Zeihl-Abegg Corporate Video
Zeihl-Abegg Owlet Fan animation
Zeihl-Abegg "Heroes of Innovation"
For further information and pricing please call 1300 552 976