Science of Destratification

March 28, 2012

Standard ZOO Fan shown in whiteStratification is a result of an increasing air temperature gradient between the floor and ceiling in an enclosed area. When there is insufficient air movement, the hot air will rise to the ceiling, resulting in warmer temperatures there and cooler air temperatures at the working level near the floor.If stratification is present, the heating requirements of the facility are increased because the heating system is continually working to maintain the temperature at the occupant/thermostat level. Destratification pushes the air from the ceiling level down to the floor level, warming the cooler air at the working level, allowing you to turn the thermostat and reduce energy usage.

The difference in temperature between the floor and ceiling can be significant: 0.5F to 1F per foot, or more above 5 feet. For example, during the heating season, a space with a 30’ ceiling could have a temperature differential between the floor and ceiling of 12.5F to 25F, depending on variables such as outside temperature and building insulation.

Below is a short excerpt from an email we received from ZOO Fans:

"... we are pleased to announce that ZOO Fans is the winner of this year's Gold Award in New Equipment Digest's King Awards for Best New Product for Facilities, Maintenance and Plant Operation.Destratification Fan

The King Awards competition, named after long-time chief editor Bob King, was established to honor superior industrial product innovation and "...inventive products that enable all involved in manufacturing to do their jobs more efficiently and effectively."

The print and digital readers of New Equipment Digest determined the winners by voting for the best products in 11 specific industrial categories. More than 6,000 votes were cast."

ZOO Fans is proud to be recognized with a Gold Award - and Worldwide Energy is proud to offer this stellar destratification product.

Contact us at for more information about ZOO Fans or our other products and services.

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