Destratification Fans (HVLS) – What is it and how will help me?
Thermal Stratification is the rising of hot air in large open buildings. Warm air that is being blown on to the floor by radiant heating or your HVAC system quickly rises and becomes trapped in the roof space.
For every metre of height in a building, the temperature increases by 1.2° to 1.5° Celsius. The roof space then becomes an expensive thermal store of hot air, which is continually topped up as the warm air escapes through the roof structure.
If you’re keeping your staff warm by heating the floor space to a temperature of 22°, a 12 meter high warehouse with a temperature gain of 1.5° Celsius per metre will have a roof space temperature reading of approximately 40° Celsius.
When installed, our fans will gently push the trapped warm air back down, reclaiming the hot air and equalising the temperature difference. In this example, it would be similar to turning your thermostat down by 9 degrees.
As well as reclaiming up to 50% on your heating costs, destratification (HVLS) fans can also aid cooling in the summer time by producing a natural evaporative cooling effect: work space that is too hot will significantly decrease production rates and accuracy which the above table clearly demonstrates (Source – NASA).
Well-placed fans will also enable an existing air-conditioning system to run more efficiently by distributing the air more effectively. This will result in the run times of the air-conditioning being significantly reduced and in some cases, due to the evaporative cooling effect, the air conditioning system has been turned off.
Our fans run in size from 2.8 meters to 7.3 meters and can fit into any environment or structure. With a return on investment from as little as 6 months, why go to the expense of an BMS system, HVAC system or Air Conditioning? Call us to see how you could benefit from using our Destratification fans.
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