ENVIRA-NORTH Systems have successfully employed the Tubercle Technology™ and developed the Altra-Air High Volume Low Speed (HVLS) commercial ceiling fans. This green technology breakthrough deliver previously impossible levels of performance, dramatically increases the efficiency and stability. Five blades can do the work of 10; noise is 1/5th of conventional fans and consumes 20% less power.
Fan blade diameter up to 24 feet
One fan moves up to 344,000 cfm of air
And less than 63 decibels sound
Using this fan in conjunction with air-conditioning allows higher temp set point of return air, reduces compressor run-time and saves energy
One fan can cover up to 37,000 ft²
At only 40 rpm
With only 2HP motor (factory-fitted VFD operated)